./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB --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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:54:47,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:54:47,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:54:47,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:54:47,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:54:47,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:54:47,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:54:47,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:54:47,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:54:47,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:54:47,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:54:47,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:54:47,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:54:47,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:54:47,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:54:47,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:54:47,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:54:47,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:47,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:47,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:47,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:54:47,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:54:47,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:54:47,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:54:47,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:54:47,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:54:47,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:54:47,308 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2024-11-28 03:54:47,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:54:47,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:54:47,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:54:47,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:54:47,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:54:47,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:54:51,424 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/323c7f0af/7c52e1521fb846b3a73d4f1a4bbfc14b/FLAG114667cba [2024-11-28 03:54:51,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:54:51,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:54:51,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/323c7f0af/7c52e1521fb846b3a73d4f1a4bbfc14b/FLAG114667cba [2024-11-28 03:54:51,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/323c7f0af/7c52e1521fb846b3a73d4f1a4bbfc14b [2024-11-28 03:54:51,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:54:51,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:54:51,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:51,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:54:51,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:54:51,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:51" (1/1) ... [2024-11-28 03:54:51,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a79086f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:51, skipping insertion in model container [2024-11-28 03:54:51,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:51" (1/1) ... [2024-11-28 03:54:51,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:54:52,071 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_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-11-28 03:54:52,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:52,151 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:54:52,163 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_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-11-28 03:54:52,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:52,230 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:54:52,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52 WrapperNode [2024-11-28 03:54:52,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:52,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:52,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:54:52,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:54:52,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,328 INFO L138 Inliner]: procedures = 29, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-11-28 03:54:52,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:52,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:54:52,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:54:52,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:54:52,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,406 INFO L175 MemorySlicer]: Split 91 memory accesses to 6 slices as follows [2, 14, 34, 16, 6, 19]. 37 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 3, 2, 1, 1]. The 12 writes are split as follows [0, 3, 3, 2, 2, 2]. [2024-11-28 03:54:52,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:54:52,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:54:52,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:54:52,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:54:52,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (1/1) ... [2024-11-28 03:54:52,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:52,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:54:52,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:54:52,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:54:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:54:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:54:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:54:52,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:54:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:54:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:54:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:54:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:54:52,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:54:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:54:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:54:52,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:54:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:54:52,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:54:52,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:54:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:54:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:54:52,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 03:54:52,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:54:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:54:52,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:54:52,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:54:52,849 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:54:52,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:54:53,572 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-28 03:54:53,576 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:54:53,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:54:53,597 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:54:53,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:53 BoogieIcfgContainer [2024-11-28 03:54:53,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:54:53,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:54:53,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:54:53,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:54:53,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:54:51" (1/3) ... [2024-11-28 03:54:53,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31d9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:53, skipping insertion in model container [2024-11-28 03:54:53,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:52" (2/3) ... [2024-11-28 03:54:53,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c31d9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:53, skipping insertion in model container [2024-11-28 03:54:53,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:53" (3/3) ... [2024-11-28 03:54:53,615 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:54:53,635 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:54:53,639 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:54:53,737 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:54:53,752 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;@4c012a5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:54:53,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:54:53,758 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) [2024-11-28 03:54:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:54:53,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:53,772 INFO L218 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] [2024-11-28 03:54:53,773 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:53,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:53,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1393676978, now seen corresponding path program 1 times [2024-11-28 03:54:53,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:53,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719863794] [2024-11-28 03:54:53,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:53,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 03:54:54,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:54,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719863794] [2024-11-28 03:54:54,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719863794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:54,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356402574] [2024-11-28 03:54:54,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:54,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:54,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:54,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:54,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:54:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:54,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:54:54,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 03:54:54,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:54,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356402574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:54,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:54,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:54:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645214501] [2024-11-28 03:54:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:54,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:54:54,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:54,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:54:54,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:54,540 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:54:54,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:54,564 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-28 03:54:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:54:54,566 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 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 [2024-11-28 03:54:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:54,572 INFO L225 Difference]: With dead ends: 185 [2024-11-28 03:54:54,573 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:54:54,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:54,578 INFO L435 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 [2024-11-28 03:54:54,579 INFO L436 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] [2024-11-28 03:54:54,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:54:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 03:54:54,612 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) [2024-11-28 03:54:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-11-28 03:54:54,620 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-11-28 03:54:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:54,621 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-11-28 03:54:54,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:54:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-11-28 03:54:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:54:54,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:54,626 INFO L218 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] [2024-11-28 03:54:54,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:54:54,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:54:54,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:54,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash -259048304, now seen corresponding path program 1 times [2024-11-28 03:54:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:54,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251960391] [2024-11-28 03:54:54,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:54,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:54:55,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:55,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251960391] [2024-11-28 03:54:55,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251960391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:55,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:55,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:54:55,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587588746] [2024-11-28 03:54:55,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:55,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:54:55,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:55,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:54:55,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:55,185 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) [2024-11-28 03:54:55,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:55,243 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-11-28 03:54:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:55,244 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 [2024-11-28 03:54:55,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:55,245 INFO L225 Difference]: With dead ends: 183 [2024-11-28 03:54:55,245 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 03:54:55,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:55,247 INFO L435 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 [2024-11-28 03:54:55,247 INFO L436 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] [2024-11-28 03:54:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 03:54:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-28 03:54:55,255 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) [2024-11-28 03:54:55,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-11-28 03:54:55,257 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-11-28 03:54:55,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:55,258 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-11-28 03:54:55,258 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) [2024-11-28 03:54:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-11-28 03:54:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:54:55,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:55,260 INFO L218 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] [2024-11-28 03:54:55,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:54:55,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:55,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:55,261 INFO L85 PathProgramCache]: Analyzing trace with hash 158348302, now seen corresponding path program 1 times [2024-11-28 03:54:55,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:55,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627554834] [2024-11-28 03:54:55,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:55,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:54:56,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:56,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627554834] [2024-11-28 03:54:56,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627554834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:56,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:56,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:54:56,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223603862] [2024-11-28 03:54:56,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:56,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:54:56,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:56,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:54:56,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:56,177 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 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) [2024-11-28 03:54:56,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:56,430 INFO L93 Difference]: Finished difference Result 307 states and 449 transitions. [2024-11-28 03:54:56,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:56,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 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 [2024-11-28 03:54:56,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:56,435 INFO L225 Difference]: With dead ends: 307 [2024-11-28 03:54:56,438 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 03:54:56,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:56,439 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 239 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:56,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 703 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:54:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 03:54:56,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 189. [2024-11-28 03:54:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.430232558139535) internal successors, (246), 172 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) [2024-11-28 03:54:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 274 transitions. [2024-11-28 03:54:56,467 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 274 transitions. Word has length 80 [2024-11-28 03:54:56,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:56,468 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 274 transitions. [2024-11-28 03:54:56,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 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) [2024-11-28 03:54:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 274 transitions. [2024-11-28 03:54:56,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:54:56,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:56,477 INFO L218 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] [2024-11-28 03:54:56,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:54:56,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:56,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1038830393, now seen corresponding path program 1 times [2024-11-28 03:54:56,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:56,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684210075] [2024-11-28 03:54:56,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:56,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:54:56,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:56,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684210075] [2024-11-28 03:54:56,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684210075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:56,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:56,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:56,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227954879] [2024-11-28 03:54:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:56,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:56,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:56,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:56,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:56,683 INFO L87 Difference]: Start difference. First operand 189 states and 274 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) [2024-11-28 03:54:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:56,730 INFO L93 Difference]: Finished difference Result 378 states and 549 transitions. [2024-11-28 03:54:56,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:54:56,731 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 [2024-11-28 03:54:56,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:56,734 INFO L225 Difference]: With dead ends: 378 [2024-11-28 03:54:56,734 INFO L226 Difference]: Without dead ends: 192 [2024-11-28 03:54:56,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:56,735 INFO L435 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 [2024-11-28 03:54:56,739 INFO L436 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] [2024-11-28 03:54:56,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-28 03:54:56,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-28 03:54:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 175 states have (on average 1.417142857142857) internal successors, (248), 175 states have internal predecessors, (248), 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) [2024-11-28 03:54:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 276 transitions. [2024-11-28 03:54:56,763 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 276 transitions. Word has length 83 [2024-11-28 03:54:56,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:56,763 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 276 transitions. [2024-11-28 03:54:56,763 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) [2024-11-28 03:54:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 276 transitions. [2024-11-28 03:54:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 03:54:56,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:56,768 INFO L218 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] [2024-11-28 03:54:56,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:54:56,769 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:56,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:56,769 INFO L85 PathProgramCache]: Analyzing trace with hash -564200222, now seen corresponding path program 1 times [2024-11-28 03:54:56,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:56,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367689141] [2024-11-28 03:54:56,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:56,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:54:58,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367689141] [2024-11-28 03:54:58,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367689141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:58,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:58,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:54:58,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523232079] [2024-11-28 03:54:58,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:58,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:54:58,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:58,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:54:58,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:58,287 INFO L87 Difference]: Start difference. First operand 192 states and 276 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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) [2024-11-28 03:54:58,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:58,589 INFO L93 Difference]: Finished difference Result 490 states and 697 transitions. [2024-11-28 03:54:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:54:58,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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 87 [2024-11-28 03:54:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:58,593 INFO L225 Difference]: With dead ends: 490 [2024-11-28 03:54:58,593 INFO L226 Difference]: Without dead ends: 301 [2024-11-28 03:54:58,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:54:58,595 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 84 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:58,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1034 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:54:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-28 03:54:58,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 227. [2024-11-28 03:54:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 210 states have internal predecessors, (295), 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) [2024-11-28 03:54:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 323 transitions. [2024-11-28 03:54:58,614 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 323 transitions. Word has length 87 [2024-11-28 03:54:58,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:58,615 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 323 transitions. [2024-11-28 03:54:58,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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) [2024-11-28 03:54:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 323 transitions. [2024-11-28 03:54:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 03:54:58,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:58,617 INFO L218 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] [2024-11-28 03:54:58,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:54:58,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:58,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:58,618 INFO L85 PathProgramCache]: Analyzing trace with hash -205138822, now seen corresponding path program 1 times [2024-11-28 03:54:58,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:58,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267404771] [2024-11-28 03:54:58,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:59,666 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:54:59,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267404771] [2024-11-28 03:54:59,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267404771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:59,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:59,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:54:59,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271610581] [2024-11-28 03:54:59,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:59,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:54:59,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:59,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:54:59,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:54:59,672 INFO L87 Difference]: Start difference. First operand 227 states and 323 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-11-28 03:54:59,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:59,918 INFO L93 Difference]: Finished difference Result 431 states and 608 transitions. [2024-11-28 03:54:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:54:59,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 88 [2024-11-28 03:54:59,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:59,922 INFO L225 Difference]: With dead ends: 431 [2024-11-28 03:54:59,922 INFO L226 Difference]: Without dead ends: 314 [2024-11-28 03:54:59,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:54:59,924 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 37 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:59,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 748 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:59,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-28 03:54:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 230. [2024-11-28 03:54:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 213 states have (on average 1.3990610328638498) internal successors, (298), 213 states have internal predecessors, (298), 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) [2024-11-28 03:54:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 326 transitions. [2024-11-28 03:54:59,949 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 326 transitions. Word has length 88 [2024-11-28 03:54:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:59,950 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 326 transitions. [2024-11-28 03:54:59,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-11-28 03:54:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 326 transitions. [2024-11-28 03:54:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 03:54:59,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:59,957 INFO L218 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] [2024-11-28 03:54:59,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:54:59,958 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:59,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash -145742675, now seen corresponding path program 1 times [2024-11-28 03:54:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:59,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609384909] [2024-11-28 03:54:59,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:00,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609384909] [2024-11-28 03:55:00,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609384909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:00,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:00,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:55:00,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550989701] [2024-11-28 03:55:00,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:00,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:55:00,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:00,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:55:00,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:00,332 INFO L87 Difference]: Start difference. First operand 230 states and 326 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) [2024-11-28 03:55:00,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:00,404 INFO L93 Difference]: Finished difference Result 240 states and 337 transitions. [2024-11-28 03:55:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:55:00,404 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 [2024-11-28 03:55:00,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:00,406 INFO L225 Difference]: With dead ends: 240 [2024-11-28 03:55:00,407 INFO L226 Difference]: Without dead ends: 238 [2024-11-28 03:55:00,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:00,408 INFO L435 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:00,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:00,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-28 03:55:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-28 03:55:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 221 states have (on average 1.3846153846153846) internal successors, (306), 221 states have internal predecessors, (306), 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) [2024-11-28 03:55:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 334 transitions. [2024-11-28 03:55:00,424 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 334 transitions. Word has length 89 [2024-11-28 03:55:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:00,424 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 334 transitions. [2024-11-28 03:55:00,425 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) [2024-11-28 03:55:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 334 transitions. [2024-11-28 03:55:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 03:55:00,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:00,426 INFO L218 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] [2024-11-28 03:55:00,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:55:00,427 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:00,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:00,427 INFO L85 PathProgramCache]: Analyzing trace with hash -217896198, now seen corresponding path program 1 times [2024-11-28 03:55:00,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:00,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373948872] [2024-11-28 03:55:00,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:01,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373948872] [2024-11-28 03:55:01,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373948872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:01,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:01,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:55:01,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047165283] [2024-11-28 03:55:01,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:01,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:55:01,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:01,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:55:01,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:01,365 INFO L87 Difference]: Start difference. First operand 238 states and 334 transitions. Second operand has 9 states, 8 states have (on average 7.125) 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), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:55:01,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:01,743 INFO L93 Difference]: Finished difference Result 800 states and 1117 transitions. [2024-11-28 03:55:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:55:01,744 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) 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), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2024-11-28 03:55:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:01,748 INFO L225 Difference]: With dead ends: 800 [2024-11-28 03:55:01,748 INFO L226 Difference]: Without dead ends: 565 [2024-11-28 03:55:01,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:55:01,749 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 171 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:01,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1062 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:55:01,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-28 03:55:01,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 459. [2024-11-28 03:55:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 426 states have (on average 1.3943661971830985) internal successors, (594), 426 states have internal predecessors, (594), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:55:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 650 transitions. [2024-11-28 03:55:01,788 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 650 transitions. Word has length 89 [2024-11-28 03:55:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:01,788 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 650 transitions. [2024-11-28 03:55:01,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) 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), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:55:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 650 transitions. [2024-11-28 03:55:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:55:01,790 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:01,790 INFO L218 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] [2024-11-28 03:55:01,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:55:01,792 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:01,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash -353095500, now seen corresponding path program 1 times [2024-11-28 03:55:01,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:01,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320056331] [2024-11-28 03:55:01,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:01,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320056331] [2024-11-28 03:55:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320056331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:02,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059746942] [2024-11-28 03:55:02,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:02,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:55:02,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:02,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:55:02,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:02,053 INFO L87 Difference]: Start difference. First operand 459 states and 650 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-28 03:55:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:02,305 INFO L93 Difference]: Finished difference Result 1087 states and 1520 transitions. [2024-11-28 03:55:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:55:02,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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 [2024-11-28 03:55:02,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:02,311 INFO L225 Difference]: With dead ends: 1087 [2024-11-28 03:55:02,311 INFO L226 Difference]: Without dead ends: 631 [2024-11-28 03:55:02,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:55:02,315 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 227 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:02,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 635 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:55:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-28 03:55:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 533. [2024-11-28 03:55:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 500 states have (on average 1.38) internal successors, (690), 500 states have internal predecessors, (690), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:55:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 746 transitions. [2024-11-28 03:55:02,388 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 746 transitions. Word has length 90 [2024-11-28 03:55:02,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:02,391 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 746 transitions. [2024-11-28 03:55:02,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-28 03:55:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 746 transitions. [2024-11-28 03:55:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:55:02,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:02,393 INFO L218 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] [2024-11-28 03:55:02,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:55:02,393 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:02,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash -66064140, now seen corresponding path program 1 times [2024-11-28 03:55:02,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:02,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376841905] [2024-11-28 03:55:02,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:02,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:02,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376841905] [2024-11-28 03:55:02,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376841905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:02,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:02,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:55:02,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704366006] [2024-11-28 03:55:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:02,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:55:02,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:02,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:55:02,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:02,663 INFO L87 Difference]: Start difference. First operand 533 states and 746 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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) [2024-11-28 03:55:02,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:02,786 INFO L93 Difference]: Finished difference Result 1079 states and 1509 transitions. [2024-11-28 03:55:02,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:55:02,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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 [2024-11-28 03:55:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:02,791 INFO L225 Difference]: With dead ends: 1079 [2024-11-28 03:55:02,791 INFO L226 Difference]: Without dead ends: 549 [2024-11-28 03:55:02,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:55:02,797 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:02,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:55:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-28 03:55:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 537. [2024-11-28 03:55:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 504 states have (on average 1.376984126984127) internal successors, (694), 504 states have internal predecessors, (694), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:55:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 750 transitions. [2024-11-28 03:55:02,844 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 750 transitions. Word has length 90 [2024-11-28 03:55:02,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:02,845 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 750 transitions. [2024-11-28 03:55:02,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 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) [2024-11-28 03:55:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 750 transitions. [2024-11-28 03:55:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:55:02,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:02,848 INFO L218 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] [2024-11-28 03:55:02,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:55:02,849 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:02,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:02,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1463893872, now seen corresponding path program 1 times [2024-11-28 03:55:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:02,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210590308] [2024-11-28 03:55:02,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:02,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:02,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:55:02,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210590308] [2024-11-28 03:55:02,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210590308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:02,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:02,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:02,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828364995] [2024-11-28 03:55:02,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:02,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:55:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:55:02,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:55:02,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:02,933 INFO L87 Difference]: Start difference. First operand 537 states and 750 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) [2024-11-28 03:55:02,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:02,982 INFO L93 Difference]: Finished difference Result 1079 states and 1513 transitions. [2024-11-28 03:55:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:55:02,983 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 [2024-11-28 03:55:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:02,988 INFO L225 Difference]: With dead ends: 1079 [2024-11-28 03:55:02,988 INFO L226 Difference]: Without dead ends: 545 [2024-11-28 03:55:02,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:55:02,991 INFO L435 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 [2024-11-28 03:55:02,992 INFO L436 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] [2024-11-28 03:55:02,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-11-28 03:55:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 544. [2024-11-28 03:55:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 511 states have (on average 1.3718199608610568) internal successors, (701), 511 states have internal predecessors, (701), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:55:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 757 transitions. [2024-11-28 03:55:03,033 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 757 transitions. Word has length 90 [2024-11-28 03:55:03,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:03,033 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 757 transitions. [2024-11-28 03:55:03,034 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) [2024-11-28 03:55:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 757 transitions. [2024-11-28 03:55:03,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:55:03,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:03,036 INFO L218 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] [2024-11-28 03:55:03,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:55:03,037 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:03,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:03,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1242725522, now seen corresponding path program 1 times [2024-11-28 03:55:03,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:55:03,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753250259] [2024-11-28 03:55:03,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:55:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:55:03,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292507558] [2024-11-28 03:55:03,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:03,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:03,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:55:03,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:55:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:55:03,424 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:55:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:55:03,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:55:03,600 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:55:03,601 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:55:03,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:55:03,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:55:03,807 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:03,950 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:55:03,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:55:03 BoogieIcfgContainer [2024-11-28 03:55:03,956 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:55:03,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:55:03,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:55:03,957 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:55:03,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:53" (3/4) ... [2024-11-28 03:55:03,962 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:55:03,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:55:03,964 INFO L158 Benchmark]: Toolchain (without parser) took 12137.72ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 92.0MB in the beginning and 132.5MB in the end (delta: -40.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-28 03:55:03,964 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:55:03,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.09ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:55:03,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.51ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:55:03,965 INFO L158 Benchmark]: Boogie Preprocessor took 153.67ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 70.7MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:55:03,965 INFO L158 Benchmark]: RCFGBuilder took 1109.37ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 43.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:55:03,966 INFO L158 Benchmark]: TraceAbstraction took 10353.15ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 42.9MB in the beginning and 132.5MB in the end (delta: -89.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:55:03,966 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 132.5MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:55:03,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.09ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.51ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 153.67ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 70.7MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1109.37ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 43.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10353.15ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 42.9MB in the beginning and 132.5MB in the end (delta: -89.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 132.5MB in the end (delta: 23.5kB). 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 someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_1_ = 0; [L38] signed short int last_1_signed_short_int_Array_0_0_ = 256; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] isInitial = 1 [L91] FCALL initially() [L93] CALL updateLastVariables() [L82] EXPR BOOL_unsigned_char_Array_0[1] [L82] last_1_BOOL_unsigned_char_Array_0_1_ = BOOL_unsigned_char_Array_0[1] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L93] RET updateLastVariables() [L94] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] double_Array_0[0] = __VERIFIER_nondet_double() [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] double_Array_0[1] = __VERIFIER_nondet_double() [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[2] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] RET updateVariables() [L95] CALL step() [L42] COND TRUE (last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND FALSE !(last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] COND TRUE BOOL_unsigned_char_Array_0[0] [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[1] [L52] EXPR double_Array_0[1] [L52] EXPR double_Array_0[2] [L52] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L52] COND FALSE !((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) [L55] EXPR unsigned_short_int_Array_0[0] [L55] signed_short_int_Array_0[0] = unsigned_short_int_Array_0[0] [L58] EXPR double_Array_0[1] [L58] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L58] EXPR double_Array_0[1] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] COND TRUE ((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !(last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) [L86] EXPR double_Array_0[1] [L86] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L86] EXPR double_Array_0[1] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) [L86] EXPR BOOL_unsigned_char_Array_0[1] [L86] EXPR BOOL_unsigned_char_Array_0[0] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86-L87] return ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 761 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 758 mSDsluCounter, 7253 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5715 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727 IncrementalHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 1538 mSDtfsCounter, 727 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, InterpolantAutomatonStates: 68, 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, 11 MinimizatonAttempts, 402 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1206 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1014 ConstructedInterpolants, 0 QuantifiedInterpolants, 2571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 996/1008 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:55:03,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB --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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:55:07,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:55:07,215 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:55:07,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:55:07,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:55:07,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:55:07,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:55:07,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:55:07,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:55:07,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:55:07,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:55:07,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:55:07,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:55:07,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:55:07,276 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:55:07,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:55:07,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:55:07,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:55:07,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:55:07,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:55:07,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:55:07,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:55:07,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:55:07,278 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:55:07,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:55:07,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:55:07,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:07,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:07,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:07,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:07,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:55:07,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:07,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:07,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:07,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:07,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:55:07,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:55:07,281 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2024-11-28 03:55:07,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:55:07,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:55:07,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:55:07,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:55:07,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:55:07,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:55:11,035 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/fffa25247/52d7b43fbe2740b583ce710f10403c55/FLAGdd55ba6d5 [2024-11-28 03:55:11,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:55:11,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:55:11,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/fffa25247/52d7b43fbe2740b583ce710f10403c55/FLAGdd55ba6d5 [2024-11-28 03:55:11,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/data/fffa25247/52d7b43fbe2740b583ce710f10403c55 [2024-11-28 03:55:11,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:55:11,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:55:11,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:11,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:55:11,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:55:11,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:11,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddcaff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11, skipping insertion in model container [2024-11-28 03:55:11,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:11,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:55:11,571 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_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-11-28 03:55:11,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:11,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:55:11,733 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_8a475898-d7de-43ae-9a18-5fd59c6db74f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-11-28 03:55:11,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:55:11,871 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:55:11,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11 WrapperNode [2024-11-28 03:55:11,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:55:11,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:11,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:55:11,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:55:11,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:11,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:11,974 INFO L138 Inliner]: procedures = 36, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-11-28 03:55:11,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:55:11,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:55:11,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:55:11,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:55:11,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:11,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,059 INFO L175 MemorySlicer]: Split 91 memory accesses to 6 slices as follows [2, 14, 34, 16, 6, 19]. 37 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 3, 2, 1, 1]. The 12 writes are split as follows [0, 3, 3, 2, 2, 2]. [2024-11-28 03:55:12,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,093 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,098 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,110 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:55:12,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:55:12,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:55:12,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:55:12,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (1/1) ... [2024-11-28 03:55:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:12,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:55:12,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:55:12,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:55:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:55:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:55:12,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:55:12,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 03:55:12,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:55:12,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 03:55:12,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:55:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:55:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 03:55:12,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:55:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:55:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:55:12,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:55:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:55:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:55:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:55:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:55:12,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:55:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:55:12,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:55:12,444 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:55:12,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:55:25,583 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-28 03:55:25,583 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:55:25,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:55:25,596 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:55:25,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:25 BoogieIcfgContainer [2024-11-28 03:55:25,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:55:25,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:55:25,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:55:25,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:55:25,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:55:11" (1/3) ... [2024-11-28 03:55:25,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5431258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:25, skipping insertion in model container [2024-11-28 03:55:25,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:55:11" (2/3) ... [2024-11-28 03:55:25,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5431258c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:55:25, skipping insertion in model container [2024-11-28 03:55:25,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:25" (3/3) ... [2024-11-28 03:55:25,609 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2024-11-28 03:55:25,628 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:55:25,630 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:55:25,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:55:25,726 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;@2cc20e2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:55:25,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:55:25,733 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) [2024-11-28 03:55:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:55:25,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:25,746 INFO L218 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] [2024-11-28 03:55:25,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:25,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:25,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1393676978, now seen corresponding path program 1 times [2024-11-28 03:55:25,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:25,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123819675] [2024-11-28 03:55:25,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:25,775 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 [2024-11-28 03:55:25,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:25,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:25,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:26,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:55:26,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:55:26,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:26,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:26,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123819675] [2024-11-28 03:55:26,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123819675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:26,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:26,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:55:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458659079] [2024-11-28 03:55:26,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:26,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:55:26,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:26,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:55:26,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:55:26,414 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) [2024-11-28 03:55:26,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:26,445 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-11-28 03:55:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:55:26,448 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 [2024-11-28 03:55:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:26,456 INFO L225 Difference]: With dead ends: 185 [2024-11-28 03:55:26,456 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:55:26,460 INFO L434 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 [2024-11-28 03:55:26,463 INFO L435 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 [2024-11-28 03:55:26,464 INFO L436 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] [2024-11-28 03:55:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:55:26,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 03:55:26,500 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) [2024-11-28 03:55:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-11-28 03:55:26,507 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-11-28 03:55:26,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:26,507 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-11-28 03:55:26,508 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) [2024-11-28 03:55:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-11-28 03:55:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:55:26,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:26,511 INFO L218 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] [2024-11-28 03:55:26,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:26,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:26,712 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:26,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -259048304, now seen corresponding path program 1 times [2024-11-28 03:55:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:26,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029712525] [2024-11-28 03:55:26,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:26,714 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 [2024-11-28 03:55:26,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:26,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:26,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:27,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:55:27,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 03:55:27,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:27,276 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:27,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029712525] [2024-11-28 03:55:27,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029712525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:27,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:27,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:55:27,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440726661] [2024-11-28 03:55:27,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:27,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:27,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:27,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:27,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:27,284 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) [2024-11-28 03:55:27,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:27,417 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-11-28 03:55:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:27,418 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 [2024-11-28 03:55:27,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:27,420 INFO L225 Difference]: With dead ends: 183 [2024-11-28 03:55:27,422 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 03:55:27,423 INFO L434 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 [2024-11-28 03:55:27,424 INFO L435 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 [2024-11-28 03:55:27,425 INFO L436 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] [2024-11-28 03:55:27,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 03:55:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-28 03:55:27,443 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) [2024-11-28 03:55:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-11-28 03:55:27,447 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-11-28 03:55:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:27,449 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-11-28 03:55:27,449 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) [2024-11-28 03:55:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-11-28 03:55:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 03:55:27,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:27,452 INFO L218 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] [2024-11-28 03:55:27,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:27,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:27,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:27,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 158348302, now seen corresponding path program 1 times [2024-11-28 03:55:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:27,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924883447] [2024-11-28 03:55:27,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:27,654 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 [2024-11-28 03:55:27,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:27,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:27,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:28,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:55:28,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:28,125 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 [2024-11-28 03:55:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:28,574 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:28,575 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:28,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924883447] [2024-11-28 03:55:28,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924883447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:28,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:28,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:55:28,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793586126] [2024-11-28 03:55:28,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:28,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:55:28,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:28,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:55:28,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:55:28,578 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), 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) [2024-11-28 03:55:32,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:55:35,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:55:39,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:55:43,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:55:47,208 WARN L539 Checker$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 [] [2024-11-28 03:55:50,517 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 [] [2024-11-28 03:55:50,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:50,518 INFO L93 Difference]: Finished difference Result 307 states and 449 transitions. [2024-11-28 03:55:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:55:50,543 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 [2024-11-28 03:55:50,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:50,545 INFO L225 Difference]: With dead ends: 307 [2024-11-28 03:55:50,545 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 03:55:50,546 INFO L434 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 [2024-11-28 03:55:50,547 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 236 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:50,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 371 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 21.9s Time] [2024-11-28 03:55:50,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 03:55:50,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 189. [2024-11-28 03:55:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.430232558139535) internal successors, (246), 172 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) [2024-11-28 03:55:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 274 transitions. [2024-11-28 03:55:50,570 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 274 transitions. Word has length 80 [2024-11-28 03:55:50,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:50,571 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 274 transitions. [2024-11-28 03:55:50,571 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) [2024-11-28 03:55:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 274 transitions. [2024-11-28 03:55:50,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 03:55:50,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:50,573 INFO L218 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] [2024-11-28 03:55:50,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 03:55:50,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:50,778 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:50,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1038830393, now seen corresponding path program 1 times [2024-11-28 03:55:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:50,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973857649] [2024-11-28 03:55:50,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:50,780 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 [2024-11-28 03:55:50,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:50,783 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:51,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:55:51,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:52,638 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 [2024-11-28 03:55:52,759 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:55:52,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:55:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 03:55:53,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:53,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973857649] [2024-11-28 03:55:53,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973857649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:55:53,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:55:53,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2024-11-28 03:55:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730880770] [2024-11-28 03:55:53,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:55:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:55:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:53,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:55:53,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:55:53,822 INFO L87 Difference]: Start difference. First operand 189 states and 274 transitions. Second operand has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:55:54,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:54,835 INFO L93 Difference]: Finished difference Result 360 states and 512 transitions. [2024-11-28 03:55:54,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:55:54,836 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) Word has length 83 [2024-11-28 03:55:54,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:54,837 INFO L225 Difference]: With dead ends: 360 [2024-11-28 03:55:54,837 INFO L226 Difference]: Without dead ends: 174 [2024-11-28 03:55:54,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:55:54,844 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 176 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:54,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 788 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:55:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-28 03:55:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-28 03:55:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 153 states have internal predecessors, (211), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:55:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2024-11-28 03:55:54,888 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 83 [2024-11-28 03:55:54,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:54,888 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2024-11-28 03:55:54,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:55:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2024-11-28 03:55:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 03:55:54,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:54,894 INFO L218 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] [2024-11-28 03:55:54,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:55,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:55,095 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:55,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1596084527, now seen corresponding path program 1 times [2024-11-28 03:55:55,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:55,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994750714] [2024-11-28 03:55:55,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:55,096 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 [2024-11-28 03:55:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:55,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:55,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:55,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:55:55,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:55,677 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:55:55,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:55,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:55,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994750714] [2024-11-28 03:55:55,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994750714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:55,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:55,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008627342] [2024-11-28 03:55:55,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:55,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:55:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:55,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:55:55,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:55,680 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-28 03:55:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:55,886 INFO L93 Difference]: Finished difference Result 276 states and 382 transitions. [2024-11-28 03:55:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:55:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 84 [2024-11-28 03:55:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:55,888 INFO L225 Difference]: With dead ends: 276 [2024-11-28 03:55:55,888 INFO L226 Difference]: Without dead ends: 177 [2024-11-28 03:55:55,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:55:55,890 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 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 [2024-11-28 03:55:55,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:55:55,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-28 03:55:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-28 03:55:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.3717948717948718) internal successors, (214), 156 states have internal predecessors, (214), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:55:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 242 transitions. [2024-11-28 03:55:55,927 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 242 transitions. Word has length 84 [2024-11-28 03:55:55,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:55,927 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 242 transitions. [2024-11-28 03:55:55,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2024-11-28 03:55:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2024-11-28 03:55:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 03:55:55,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:55,929 INFO L218 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] [2024-11-28 03:55:55,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:56,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:56,130 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:56,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:56,131 INFO L85 PathProgramCache]: Analyzing trace with hash -205138822, now seen corresponding path program 1 times [2024-11-28 03:55:56,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:56,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4109024] [2024-11-28 03:55:56,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:56,131 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 [2024-11-28 03:55:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:56,133 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:55:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:55:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:56,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:55:56,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:57,080 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 77 treesize of output 41 [2024-11-28 03:55:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 03:55:57,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:55:57,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:57,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4109024] [2024-11-28 03:55:57,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4109024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:55:57,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:55:57,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:55:57,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694732826] [2024-11-28 03:55:57,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:55:57,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:55:57,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:57,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:55:57,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:55:57,162 INFO L87 Difference]: Start difference. First operand 177 states and 242 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-28 03:56:01,069 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 [] [2024-11-28 03:56:04,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:08,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:12,335 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 [] [2024-11-28 03:56:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:13,381 INFO L93 Difference]: Finished difference Result 311 states and 426 transitions. [2024-11-28 03:56:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:56:13,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 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 88 [2024-11-28 03:56:13,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:13,402 INFO L225 Difference]: With dead ends: 311 [2024-11-28 03:56:13,402 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 03:56:13,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:56:13,404 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:13,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 407 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2024-11-28 03:56:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 03:56:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2024-11-28 03:56:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.358974358974359) internal successors, (212), 156 states have internal predecessors, (212), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:56:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2024-11-28 03:56:13,422 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 88 [2024-11-28 03:56:13,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:13,422 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions. [2024-11-28 03:56:13,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-28 03:56:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2024-11-28 03:56:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 03:56:13,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:13,424 INFO L218 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] [2024-11-28 03:56:13,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:13,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:13,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:13,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:13,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1014561932, now seen corresponding path program 1 times [2024-11-28 03:56:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:13,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432523356] [2024-11-28 03:56:13,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:13,626 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 [2024-11-28 03:56:13,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:13,630 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:13,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:14,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:56:14,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:14,571 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 [2024-11-28 03:56:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:56:14,669 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:14,669 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:14,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432523356] [2024-11-28 03:56:14,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432523356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:14,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:56:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624479971] [2024-11-28 03:56:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:14,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:14,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:14,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:14,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:56:14,671 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-28 03:56:19,326 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 [] [2024-11-28 03:56:22,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:24,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:27,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:31,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:56:31,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:31,842 INFO L93 Difference]: Finished difference Result 304 states and 412 transitions. [2024-11-28 03:56:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:56:31,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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 90 [2024-11-28 03:56:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:31,868 INFO L225 Difference]: With dead ends: 304 [2024-11-28 03:56:31,868 INFO L226 Difference]: Without dead ends: 179 [2024-11-28 03:56:31,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:56:31,869 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 92 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:31,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 402 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2024-11-28 03:56:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-28 03:56:31,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2024-11-28 03:56:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 156 states have internal predecessors, (210), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:56:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 238 transitions. [2024-11-28 03:56:31,887 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 238 transitions. Word has length 90 [2024-11-28 03:56:31,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:31,888 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 238 transitions. [2024-11-28 03:56:31,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-28 03:56:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2024-11-28 03:56:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 03:56:31,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:31,890 INFO L218 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] [2024-11-28 03:56:31,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:32,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:32,091 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:32,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:32,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1284278854, now seen corresponding path program 1 times [2024-11-28 03:56:32,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:32,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950986217] [2024-11-28 03:56:32,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:32,092 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 [2024-11-28 03:56:32,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:32,094 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:32,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:32,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:56:32,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:32,767 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 12 treesize of output 8 [2024-11-28 03:56:35,109 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 0 case distinctions, treesize of input 46 treesize of output 33 [2024-11-28 03:56:35,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:56:35,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 44 [2024-11-28 03:56:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:56:35,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:56:36,242 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:36,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950986217] [2024-11-28 03:56:36,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950986217] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:36,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:36,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2024-11-28 03:56:36,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529584407] [2024-11-28 03:56:36,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:36,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:56:36,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:36,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:56:36,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:56:36,244 INFO L87 Difference]: Start difference. First operand 177 states and 238 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-28 03:56:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:36,619 INFO L93 Difference]: Finished difference Result 319 states and 431 transitions. [2024-11-28 03:56:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:56:36,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 92 [2024-11-28 03:56:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:36,622 INFO L225 Difference]: With dead ends: 319 [2024-11-28 03:56:36,623 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 03:56:36,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:56:36,624 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 37 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:36,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 618 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 03:56:36,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 197. [2024-11-28 03:56:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 176 states have (on average 1.3409090909090908) internal successors, (236), 176 states have internal predecessors, (236), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:56:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 264 transitions. [2024-11-28 03:56:36,645 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 264 transitions. Word has length 92 [2024-11-28 03:56:36,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:36,645 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 264 transitions. [2024-11-28 03:56:36,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-28 03:56:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2024-11-28 03:56:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:56:36,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:36,646 INFO L218 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] [2024-11-28 03:56:36,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:36,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:36,847 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:36,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:36,848 INFO L85 PathProgramCache]: Analyzing trace with hash -651573371, now seen corresponding path program 1 times [2024-11-28 03:56:36,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:36,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44757244] [2024-11-28 03:56:36,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:36,849 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 [2024-11-28 03:56:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:36,852 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:36,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:37,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:56:37,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:38,599 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 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-28 03:56:39,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:56:39,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 20 [2024-11-28 03:56:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:56:39,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 03:56:40,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44757244] [2024-11-28 03:56:40,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44757244] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:56:40,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:40,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2024-11-28 03:56:40,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293433803] [2024-11-28 03:56:40,787 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:40,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:56:40,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:40,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:56:40,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:56:40,790 INFO L87 Difference]: Start difference. First operand 197 states and 264 transitions. Second operand has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:56:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:42,703 INFO L93 Difference]: Finished difference Result 341 states and 458 transitions. [2024-11-28 03:56:42,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:56:42,704 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) Word has length 94 [2024-11-28 03:56:42,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:42,708 INFO L225 Difference]: With dead ends: 341 [2024-11-28 03:56:42,709 INFO L226 Difference]: Without dead ends: 222 [2024-11-28 03:56:42,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:56:42,712 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 690 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:42,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1171 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:56:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-28 03:56:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 197. [2024-11-28 03:56:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 176 states have (on average 1.3352272727272727) internal successors, (235), 176 states have internal predecessors, (235), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:56:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 263 transitions. [2024-11-28 03:56:42,734 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 263 transitions. Word has length 94 [2024-11-28 03:56:42,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:42,735 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 263 transitions. [2024-11-28 03:56:42,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:56:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 263 transitions. [2024-11-28 03:56:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:56:42,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:42,740 INFO L218 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] [2024-11-28 03:56:42,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:56:42,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:42,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:42,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash 864621008, now seen corresponding path program 1 times [2024-11-28 03:56:42,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:42,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306151450] [2024-11-28 03:56:42,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:42,942 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 [2024-11-28 03:56:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:42,944 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:42,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-28 03:56:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:43,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:56:43,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:43,586 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 [2024-11-28 03:56:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:56:43,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:56:43,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306151450] [2024-11-28 03:56:43,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306151450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:43,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:43,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:56:43,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069353005] [2024-11-28 03:56:43,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:43,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:56:43,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:43,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:56:43,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:56:43,999 INFO L87 Difference]: Start difference. First operand 197 states and 263 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) [2024-11-28 03:56:44,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:44,458 INFO L93 Difference]: Finished difference Result 492 states and 662 transitions. [2024-11-28 03:56:44,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:56:44,459 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 [2024-11-28 03:56:44,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:44,461 INFO L225 Difference]: With dead ends: 492 [2024-11-28 03:56:44,462 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 03:56:44,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:56:44,463 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 232 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:44,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 574 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:56:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 03:56:44,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 298. [2024-11-28 03:56:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 267 states have (on average 1.3333333333333333) internal successors, (356), 267 states have internal predecessors, (356), 21 states have call successors, (21), 9 states have call predecessors, (21), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 03:56:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 398 transitions. [2024-11-28 03:56:44,500 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 398 transitions. Word has length 94 [2024-11-28 03:56:44,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:44,500 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 398 transitions. [2024-11-28 03:56:44,501 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) [2024-11-28 03:56:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 398 transitions. [2024-11-28 03:56:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:56:44,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:44,503 INFO L218 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] [2024-11-28 03:56:44,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:56:44,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:44,703 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:44,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash -723726894, now seen corresponding path program 1 times [2024-11-28 03:56:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:44,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603899030] [2024-11-28 03:56:44,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:44,705 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 [2024-11-28 03:56:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:44,707 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:44,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:45,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 03:56:45,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:48,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:56:48,222 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 365 treesize of output 113 [2024-11-28 03:56:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:56:48,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:56:50,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:50,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603899030] [2024-11-28 03:56:50,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603899030] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:50,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:56:50,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2024-11-28 03:56:50,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24221738] [2024-11-28 03:56:50,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:50,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:56:50,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:50,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:56:50,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:56:50,381 INFO L87 Difference]: Start difference. First operand 298 states and 398 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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) [2024-11-28 03:56:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:53,013 INFO L93 Difference]: Finished difference Result 658 states and 872 transitions. [2024-11-28 03:56:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:56:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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 [2024-11-28 03:56:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:53,020 INFO L225 Difference]: With dead ends: 658 [2024-11-28 03:56:53,020 INFO L226 Difference]: Without dead ends: 438 [2024-11-28 03:56:53,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:56:53,024 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 116 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:53,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 614 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 03:56:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-28 03:56:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2024-11-28 03:56:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.317948717948718) internal successors, (514), 392 states have internal predecessors, (514), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:56:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 568 transitions. [2024-11-28 03:56:53,061 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 568 transitions. Word has length 94 [2024-11-28 03:56:53,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:53,061 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 568 transitions. [2024-11-28 03:56:53,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 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) [2024-11-28 03:56:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 568 transitions. [2024-11-28 03:56:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:56:53,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:53,063 INFO L218 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] [2024-11-28 03:56:53,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:53,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:53,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:56:53,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1116753904, now seen corresponding path program 1 times [2024-11-28 03:56:53,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:56:53,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054865984] [2024-11-28 03:56:53,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:53,265 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 [2024-11-28 03:56:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:56:53,266 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:56:53,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:56:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:53,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:56:53,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:56:57,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:57:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:57:00,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:00,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054865984] [2024-11-28 03:57:00,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054865984] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:00,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:00,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 19 [2024-11-28 03:57:00,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539029260] [2024-11-28 03:57:00,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:00,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:57:00,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:00,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:57:00,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:57:00,725 INFO L87 Difference]: Start difference. First operand 434 states and 568 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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) [2024-11-28 03:57:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:06,405 INFO L93 Difference]: Finished difference Result 867 states and 1141 transitions. [2024-11-28 03:57:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:57:06,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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 [2024-11-28 03:57:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:06,411 INFO L225 Difference]: With dead ends: 867 [2024-11-28 03:57:06,411 INFO L226 Difference]: Without dead ends: 522 [2024-11-28 03:57:06,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:57:06,413 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 178 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:06,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 880 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 03:57:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-28 03:57:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 434. [2024-11-28 03:57:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.3128205128205128) internal successors, (512), 392 states have internal predecessors, (512), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:57:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 566 transitions. [2024-11-28 03:57:06,455 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 566 transitions. Word has length 94 [2024-11-28 03:57:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:06,455 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 566 transitions. [2024-11-28 03:57:06,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 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) [2024-11-28 03:57:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 566 transitions. [2024-11-28 03:57:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 03:57:06,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:06,457 INFO L218 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] [2024-11-28 03:57:06,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:57:06,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:06,658 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:06,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:06,659 INFO L85 PathProgramCache]: Analyzing trace with hash -301025068, now seen corresponding path program 1 times [2024-11-28 03:57:06,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:06,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902943282] [2024-11-28 03:57:06,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:06,659 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 [2024-11-28 03:57:06,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:06,661 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:57:06,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:07,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:57:07,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 03:57:10,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:57:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:57:13,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:13,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902943282] [2024-11-28 03:57:13,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902943282] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:13,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:13,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2024-11-28 03:57:13,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142816125] [2024-11-28 03:57:13,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:13,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:57:13,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:13,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:57:13,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:57:13,011 INFO L87 Difference]: Start difference. First operand 434 states and 566 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2024-11-28 03:57:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:16,308 INFO L93 Difference]: Finished difference Result 867 states and 1135 transitions. [2024-11-28 03:57:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:57:16,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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 [2024-11-28 03:57:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:16,312 INFO L225 Difference]: With dead ends: 867 [2024-11-28 03:57:16,313 INFO L226 Difference]: Without dead ends: 522 [2024-11-28 03:57:16,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:57:16,314 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 174 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:16,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 746 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 03:57:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-28 03:57:16,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 430. [2024-11-28 03:57:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 386 states have (on average 1.310880829015544) internal successors, (506), 388 states have internal predecessors, (506), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:57:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 560 transitions. [2024-11-28 03:57:16,365 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 560 transitions. Word has length 94 [2024-11-28 03:57:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:16,366 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 560 transitions. [2024-11-28 03:57:16,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 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) [2024-11-28 03:57:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 560 transitions. [2024-11-28 03:57:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:57:16,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:16,367 INFO L218 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] [2024-11-28 03:57:16,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:57:16,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:16,568 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:16,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:16,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1146022108, now seen corresponding path program 1 times [2024-11-28 03:57:16,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:16,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209261455] [2024-11-28 03:57:16,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:16,569 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 [2024-11-28 03:57:16,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:16,571 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:57:16,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:17,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:57:17,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:17,053 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 [2024-11-28 03:57:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:57:17,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:17,410 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:17,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209261455] [2024-11-28 03:57:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209261455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:17,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:17,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:57:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144291929] [2024-11-28 03:57:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:17,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:57:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:17,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:57:17,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:17,411 INFO L87 Difference]: Start difference. First operand 430 states and 560 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-11-28 03:57:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:17,812 INFO L93 Difference]: Finished difference Result 877 states and 1151 transitions. [2024-11-28 03:57:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:57:17,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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 [2024-11-28 03:57:17,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:17,816 INFO L225 Difference]: With dead ends: 877 [2024-11-28 03:57:17,816 INFO L226 Difference]: Without dead ends: 536 [2024-11-28 03:57:17,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:57:17,818 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 205 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:17,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 618 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:57:17,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-28 03:57:17,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 479. [2024-11-28 03:57:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 435 states have (on average 1.3126436781609196) internal successors, (571), 437 states have internal predecessors, (571), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:57:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 625 transitions. [2024-11-28 03:57:17,875 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 625 transitions. Word has length 95 [2024-11-28 03:57:17,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:17,875 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 625 transitions. [2024-11-28 03:57:17,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 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) [2024-11-28 03:57:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 625 transitions. [2024-11-28 03:57:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:57:17,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:17,877 INFO L218 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] [2024-11-28 03:57:17,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:18,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:18,078 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:18,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1433053468, now seen corresponding path program 1 times [2024-11-28 03:57:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960795007] [2024-11-28 03:57:18,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:18,079 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 [2024-11-28 03:57:18,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:18,082 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:57:18,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:18,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:57:18,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:57:18,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:18,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:18,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960795007] [2024-11-28 03:57:18,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960795007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:18,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:57:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699085996] [2024-11-28 03:57:18,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:18,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:57:18,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:18,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:57:18,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:18,839 INFO L87 Difference]: Start difference. First operand 479 states and 625 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 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) [2024-11-28 03:57:18,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:18,992 INFO L93 Difference]: Finished difference Result 885 states and 1160 transitions. [2024-11-28 03:57:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:57:18,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 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 [2024-11-28 03:57:18,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:18,995 INFO L225 Difference]: With dead ends: 885 [2024-11-28 03:57:18,996 INFO L226 Difference]: Without dead ends: 495 [2024-11-28 03:57:18,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:18,998 INFO L435 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 [2024-11-28 03:57:18,998 INFO L436 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] [2024-11-28 03:57:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-28 03:57:19,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 492. [2024-11-28 03:57:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 448 states have (on average 1.3035714285714286) internal successors, (584), 450 states have internal predecessors, (584), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:57:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 638 transitions. [2024-11-28 03:57:19,054 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 638 transitions. Word has length 95 [2024-11-28 03:57:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:19,054 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 638 transitions. [2024-11-28 03:57:19,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 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) [2024-11-28 03:57:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 638 transitions. [2024-11-28 03:57:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 03:57:19,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:19,056 INFO L218 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] [2024-11-28 03:57:19,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:57:19,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:19,257 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:19,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1818247859, now seen corresponding path program 1 times [2024-11-28 03:57:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:19,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19883417] [2024-11-28 03:57:19,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:19,258 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 [2024-11-28 03:57:19,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:19,259 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:57:19,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:57:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:20,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:57:20,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:20,491 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 17 treesize of output 13 [2024-11-28 03:57:20,860 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 54 treesize of output 42 [2024-11-28 03:57:20,867 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 53 treesize of output 33 [2024-11-28 03:57:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:57:21,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:21,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:21,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19883417] [2024-11-28 03:57:21,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19883417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:21,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:21,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:57:21,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969506339] [2024-11-28 03:57:21,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:21,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:57:21,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:21,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:57:21,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:57:21,021 INFO L87 Difference]: Start difference. First operand 492 states and 638 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:57:24,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:27,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:30,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:33,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:37,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:41,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:45,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:49,175 WARN L539 Checker$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 [] [2024-11-28 03:57:53,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:57,516 WARN L539 Checker$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 [] [2024-11-28 03:57:59,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:03,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:06,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:10,954 WARN L539 Checker$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 [] [2024-11-28 03:58:14,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:14,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:14,235 INFO L93 Difference]: Finished difference Result 1339 states and 1741 transitions. [2024-11-28 03:58:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:58:14,236 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 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 96 [2024-11-28 03:58:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:14,242 INFO L225 Difference]: With dead ends: 1339 [2024-11-28 03:58:14,242 INFO L226 Difference]: Without dead ends: 1337 [2024-11-28 03:58:14,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:58:14,243 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 220 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:14,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1360 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 3 Unknown, 0 Unchecked, 52.9s Time] [2024-11-28 03:58:14,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-11-28 03:58:14,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1121. [2024-11-28 03:58:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1045 states have (on average 1.3110047846889952) internal successors, (1370), 1049 states have internal predecessors, (1370), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 03:58:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1464 transitions. [2024-11-28 03:58:14,336 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1464 transitions. Word has length 96 [2024-11-28 03:58:14,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:14,336 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1464 transitions. [2024-11-28 03:58:14,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:58:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1464 transitions. [2024-11-28 03:58:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:58:14,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:14,338 INFO L218 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] [2024-11-28 03:58:14,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:14,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:14,539 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:14,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:14,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1322489422, now seen corresponding path program 1 times [2024-11-28 03:58:14,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:14,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750563378] [2024-11-28 03:58:14,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:14,540 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 [2024-11-28 03:58:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:14,542 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:58:14,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:15,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:58:15,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:15,729 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 25 treesize of output 13 [2024-11-28 03:58:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:58:15,760 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:15,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:15,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750563378] [2024-11-28 03:58:15,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750563378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:15,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:15,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:58:15,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170363881] [2024-11-28 03:58:15,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:15,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:58:15,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:15,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:58:15,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:58:15,762 INFO L87 Difference]: Start difference. First operand 1121 states and 1464 transitions. Second operand has 4 states, 4 states have (on average 16.5) 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) [2024-11-28 03:58:19,825 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 [] [2024-11-28 03:58:22,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:26,806 WARN L539 Checker$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 [] [2024-11-28 03:58:30,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:34,336 WARN L539 Checker$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 [] [2024-11-28 03:58:37,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:40,093 WARN L539 Checker$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 [] [2024-11-28 03:58:43,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:46,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:58:50,898 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 [] [2024-11-28 03:58:50,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:50,962 INFO L93 Difference]: Finished difference Result 2156 states and 2820 transitions. [2024-11-28 03:58:50,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:58:50,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) 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 [2024-11-28 03:58:50,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:50,969 INFO L225 Difference]: With dead ends: 2156 [2024-11-28 03:58:50,969 INFO L226 Difference]: Without dead ends: 1123 [2024-11-28 03:58:50,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:58:50,972 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 75 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:50,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 369 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 4 Unknown, 0 Unchecked, 35.1s Time] [2024-11-28 03:58:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-11-28 03:58:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2024-11-28 03:58:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1045 states have (on average 1.308133971291866) internal successors, (1367), 1049 states have internal predecessors, (1367), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 03:58:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1461 transitions. [2024-11-28 03:58:51,065 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1461 transitions. Word has length 98 [2024-11-28 03:58:51,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:51,066 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1461 transitions. [2024-11-28 03:58:51,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) 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) [2024-11-28 03:58:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1461 transitions. [2024-11-28 03:58:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:58:51,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:51,068 INFO L218 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] [2024-11-28 03:58:51,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:51,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:51,269 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:51,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1384529036, now seen corresponding path program 1 times [2024-11-28 03:58:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:51,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727149315] [2024-11-28 03:58:51,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:51,270 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 [2024-11-28 03:58:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:51,273 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:58:51,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:58:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:52,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:58:52,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:52,530 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 19 treesize of output 15 [2024-11-28 03:58:52,839 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 56 treesize of output 44 [2024-11-28 03:58:52,845 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 57 treesize of output 37 [2024-11-28 03:58:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:58:53,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:53,024 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:53,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727149315] [2024-11-28 03:58:53,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727149315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:53,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:53,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:58:53,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235633996] [2024-11-28 03:58:53,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:53,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:58:53,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:53,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:58:53,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:58:53,026 INFO L87 Difference]: Start difference. First operand 1121 states and 1461 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 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) [2024-11-28 03:58:56,627 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 [] [2024-11-28 03:59:00,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:03,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:07,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:11,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:13,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:17,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:20,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:24,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:27,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:30,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:35,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:37,563 WARN L539 Checker$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 [] [2024-11-28 03:59:41,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:45,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:45,633 INFO L93 Difference]: Finished difference Result 1145 states and 1487 transitions. [2024-11-28 03:59:45,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:59:45,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 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 [2024-11-28 03:59:45,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:45,637 INFO L225 Difference]: With dead ends: 1145 [2024-11-28 03:59:45,638 INFO L226 Difference]: Without dead ends: 1143 [2024-11-28 03:59:45,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:59:45,639 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 171 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:45,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1459 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 5 Unknown, 0 Unchecked, 52.3s Time] [2024-11-28 03:59:45,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-11-28 03:59:45,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 913. [2024-11-28 03:59:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 841 states have internal predecessors, (1088), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 03:59:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1182 transitions. [2024-11-28 03:59:45,733 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1182 transitions. Word has length 98 [2024-11-28 03:59:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:45,733 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1182 transitions. [2024-11-28 03:59:45,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 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) [2024-11-28 03:59:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1182 transitions. [2024-11-28 03:59:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:59:45,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:45,736 INFO L218 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] [2024-11-28 03:59:45,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:59:45,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:59:45,937 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:59:45,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:45,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2054950284, now seen corresponding path program 1 times [2024-11-28 03:59:45,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:59:45,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580439981] [2024-11-28 03:59:45,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:45,938 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 [2024-11-28 03:59:45,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:59:45,944 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:59:45,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:59:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:46,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:59:46,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:47,252 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 17 treesize of output 13 [2024-11-28 03:59:47,619 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 22 treesize of output 14 [2024-11-28 03:59:47,676 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 28 treesize of output 16 [2024-11-28 03:59:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 03:59:47,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:47,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:47,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580439981] [2024-11-28 03:59:47,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580439981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:47,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:47,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:59:47,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621330096] [2024-11-28 03:59:47,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:47,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:59:47,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:59:47,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:59:47,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:59:47,966 INFO L87 Difference]: Start difference. First operand 913 states and 1182 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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) [2024-11-28 03:59:52,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:54,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:59:57,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:00,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:04,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:08,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:11,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:15,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:18,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:21,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:24,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:29,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:31,817 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 [] [2024-11-28 04:00:31,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:00:31,910 INFO L93 Difference]: Finished difference Result 1371 states and 1768 transitions. [2024-11-28 04:00:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:00:31,911 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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 [2024-11-28 04:00:31,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:00:31,914 INFO L225 Difference]: With dead ends: 1371 [2024-11-28 04:00:31,914 INFO L226 Difference]: Without dead ends: 1369 [2024-11-28 04:00:31,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:00:31,915 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 215 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:00:31,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1711 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 2 Unknown, 0 Unchecked, 43.5s Time] [2024-11-28 04:00:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-11-28 04:00:31,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1129. [2024-11-28 04:00:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1053 states have (on average 1.3095916429249763) internal successors, (1379), 1057 states have internal predecessors, (1379), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:00:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1473 transitions. [2024-11-28 04:00:32,002 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1473 transitions. Word has length 98 [2024-11-28 04:00:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:00:32,002 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1473 transitions. [2024-11-28 04:00:32,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 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) [2024-11-28 04:00:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1473 transitions. [2024-11-28 04:00:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:00:32,004 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:00:32,004 INFO L218 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, 1, 1] [2024-11-28 04:00:32,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:00:32,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:00:32,205 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:00:32,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:00:32,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1862989093, now seen corresponding path program 1 times [2024-11-28 04:00:32,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:00:32,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720316386] [2024-11-28 04:00:32,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:00:32,206 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 [2024-11-28 04:00:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:00:32,209 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:00:32,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:00:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:00:32,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:00:32,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:33,399 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 19 treesize of output 15 [2024-11-28 04:00:33,667 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 24 treesize of output 16 [2024-11-28 04:00:33,715 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 30 treesize of output 18 [2024-11-28 04:00:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:00:33,955 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:00:33,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:00:33,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720316386] [2024-11-28 04:00:33,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720316386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:00:33,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:00:33,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:00:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555968278] [2024-11-28 04:00:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:00:33,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:00:33,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:33,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:00:33,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:00:33,957 INFO L87 Difference]: Start difference. First operand 1129 states and 1473 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 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) [2024-11-28 04:00:37,080 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 [] [2024-11-28 04:00:41,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:44,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:48,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:51,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:00:55,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:00,287 WARN L539 Checker$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 [] [2024-11-28 04:01:04,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:06,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:10,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:13,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:17,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:21,974 WARN L539 Checker$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 [] [2024-11-28 04:01:24,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:28,164 WARN L539 Checker$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 [] [2024-11-28 04:01:29,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:29,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:29,915 INFO L93 Difference]: Finished difference Result 1145 states and 1491 transitions. [2024-11-28 04:01:29,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:01:29,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 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 100 [2024-11-28 04:01:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:29,921 INFO L225 Difference]: With dead ends: 1145 [2024-11-28 04:01:29,921 INFO L226 Difference]: Without dead ends: 1143 [2024-11-28 04:01:29,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:01:29,923 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 130 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:29,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1849 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 341 Invalid, 6 Unknown, 0 Unchecked, 55.4s Time] [2024-11-28 04:01:29,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-11-28 04:01:30,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 905. [2024-11-28 04:01:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 829 states have (on average 1.3027744270205066) internal successors, (1080), 833 states have internal predecessors, (1080), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:01:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1174 transitions. [2024-11-28 04:01:30,014 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1174 transitions. Word has length 100 [2024-11-28 04:01:30,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:30,015 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1174 transitions. [2024-11-28 04:01:30,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 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) [2024-11-28 04:01:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1174 transitions. [2024-11-28 04:01:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 04:01:30,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:30,019 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:30,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:01:30,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:01:30,220 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:30,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1129671581, now seen corresponding path program 1 times [2024-11-28 04:01:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859159607] [2024-11-28 04:01:30,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:30,221 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 [2024-11-28 04:01:30,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:30,223 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:01:30,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (22)] Waiting until timeout for monitored process [2024-11-28 04:01:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:31,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:01:31,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:31,776 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 26 treesize of output 18 [2024-11-28 04:01:31,781 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 14 treesize of output 10 [2024-11-28 04:01:31,952 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 19 treesize of output 11 [2024-11-28 04:01:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 233 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 04:01:32,288 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 04:01:43,921 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:43,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859159607] [2024-11-28 04:01:43,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859159607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:01:43,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:43,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-28 04:01:43,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913033367] [2024-11-28 04:01:43,922 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:43,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:01:43,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:43,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:01:43,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:01:43,924 INFO L87 Difference]: Start difference. First operand 905 states and 1174 transitions. Second operand has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 04:01:48,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:52,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:01:55,682 WARN L539 Checker$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 [] [2024-11-28 04:02:00,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:04,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:08,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:11,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:15,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:20,475 WARN L539 Checker$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 [] [2024-11-28 04:02:24,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:28,844 WARN L539 Checker$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 [] [2024-11-28 04:02:32,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:36,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:39,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:42,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:46,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:48,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:52,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:02:55,205 WARN L539 Checker$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 [] [2024-11-28 04:02:58,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:01,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:04,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:11,385 WARN L539 Checker$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 [] [2024-11-28 04:03:13,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:17,508 WARN L539 Checker$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 [] [2024-11-28 04:03:21,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:25,816 WARN L539 Checker$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 [] [2024-11-28 04:03:27,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:30,989 WARN L539 Checker$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 [] [2024-11-28 04:03:35,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:36,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:40,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:44,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:47,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:51,336 WARN L539 Checker$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 [] [2024-11-28 04:03:55,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:03:57,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:01,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:05,849 WARN L539 Checker$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 [] [2024-11-28 04:04:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:04:06,062 INFO L93 Difference]: Finished difference Result 3540 states and 4612 transitions. [2024-11-28 04:04:06,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:04:06,068 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 178 [2024-11-28 04:04:06,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:04:06,078 INFO L225 Difference]: With dead ends: 3540 [2024-11-28 04:04:06,079 INFO L226 Difference]: Without dead ends: 2724 [2024-11-28 04:04:06,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:04:06,082 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 929 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 80 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 140.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:04:06,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 1043 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 251 Invalid, 14 Unknown, 0 Unchecked, 140.0s Time] [2024-11-28 04:04:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2024-11-28 04:04:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2216. [2024-11-28 04:04:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2044 states have (on average 1.2862035225048924) internal successors, (2629), 2055 states have internal predecessors, (2629), 107 states have call successors, (107), 64 states have call predecessors, (107), 64 states have return successors, (107), 96 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-28 04:04:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2843 transitions. [2024-11-28 04:04:06,307 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2843 transitions. Word has length 178 [2024-11-28 04:04:06,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:04:06,307 INFO L471 AbstractCegarLoop]: Abstraction has 2216 states and 2843 transitions. [2024-11-28 04:04:06,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 04:04:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2843 transitions. [2024-11-28 04:04:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-28 04:04:06,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:04:06,312 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:04:06,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (22)] Ended with exit code 0 [2024-11-28 04:04:06,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:04:06,520 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:04:06,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:04:06,525 INFO L85 PathProgramCache]: Analyzing trace with hash 173531644, now seen corresponding path program 1 times [2024-11-28 04:04:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:04:06,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992171800] [2024-11-28 04:04:06,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:06,526 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 [2024-11-28 04:04:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:04:06,528 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:04:06,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:04:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:07,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:04:07,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:08,268 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 18 treesize of output 10 [2024-11-28 04:04:08,309 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 16 treesize of output 12 [2024-11-28 04:04:08,591 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 13 [2024-11-28 04:04:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 233 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 04:04:09,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 04:04:23,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:23,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992171800] [2024-11-28 04:04:23,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992171800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:04:23,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:04:23,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-28 04:04:23,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196121994] [2024-11-28 04:04:23,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:04:23,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:04:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:23,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:04:23,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:04:23,619 INFO L87 Difference]: Start difference. First operand 2216 states and 2843 transitions. Second operand has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 04:04:29,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:30,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:35,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:36,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:41,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:46,149 WARN L539 Checker$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 [] [2024-11-28 04:04:47,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:50,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:55,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:04:58,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:00,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:05,531 WARN L539 Checker$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 [] [2024-11-28 04:05:08,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:12,484 WARN L539 Checker$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 [] [2024-11-28 04:05:15,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:05:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:16,124 INFO L93 Difference]: Finished difference Result 3237 states and 4102 transitions. [2024-11-28 04:05:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:05:16,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 180 [2024-11-28 04:05:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:16,130 INFO L225 Difference]: With dead ends: 3237 [2024-11-28 04:05:16,131 INFO L226 Difference]: Without dead ends: 1082 [2024-11-28 04:05:16,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:05:16,136 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 362 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 41 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:16,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 539 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 103 Invalid, 5 Unknown, 0 Unchecked, 50.7s Time] [2024-11-28 04:05:16,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-28 04:05:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 434. [2024-11-28 04:05:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.2333333333333334) internal successors, (481), 393 states have internal predecessors, (481), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 535 transitions. [2024-11-28 04:05:16,213 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 535 transitions. Word has length 180 [2024-11-28 04:05:16,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:16,214 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 535 transitions. [2024-11-28 04:05:16,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 04:05:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 535 transitions. [2024-11-28 04:05:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 04:05:16,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:16,218 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:16,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:05:16,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:16,419 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:16,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1847533049, now seen corresponding path program 1 times [2024-11-28 04:05:16,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:16,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384148526] [2024-11-28 04:05:16,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:16,422 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 [2024-11-28 04:05:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:16,425 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:16,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:17,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 04:05:17,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:21,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:21,515 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 366 treesize of output 114 [2024-11-28 04:05:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 169 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-28 04:05:21,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-11-28 04:05:23,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:23,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384148526] [2024-11-28 04:05:23,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384148526] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:23,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:05:23,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2024-11-28 04:05:23,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083013637] [2024-11-28 04:05:23,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:23,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:23,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:23,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:23,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:05:23,900 INFO L87 Difference]: Start difference. First operand 434 states and 535 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:26,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:26,901 INFO L93 Difference]: Finished difference Result 883 states and 1083 transitions. [2024-11-28 04:05:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:05:26,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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 188 [2024-11-28 04:05:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:26,906 INFO L225 Difference]: With dead ends: 883 [2024-11-28 04:05:26,906 INFO L226 Difference]: Without dead ends: 510 [2024-11-28 04:05:26,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:05:26,908 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 140 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:26,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 539 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 04:05:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-28 04:05:26,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 455. [2024-11-28 04:05:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 411 states have (on average 1.2311435523114356) internal successors, (506), 414 states have internal predecessors, (506), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 560 transitions. [2024-11-28 04:05:26,970 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 560 transitions. Word has length 188 [2024-11-28 04:05:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:26,971 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 560 transitions. [2024-11-28 04:05:26,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 560 transitions. [2024-11-28 04:05:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 04:05:26,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:26,974 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:27,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:05:27,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:27,175 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:27,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:27,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1860628233, now seen corresponding path program 1 times [2024-11-28 04:05:27,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:27,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994540226] [2024-11-28 04:05:27,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:27,178 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 [2024-11-28 04:05:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:27,180 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:27,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (25)] Waiting until timeout for monitored process [2024-11-28 04:05:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:28,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:05:28,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 8 proven. 167 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-28 04:05:30,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-28 04:05:32,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:32,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994540226] [2024-11-28 04:05:32,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994540226] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:32,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:05:32,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-11-28 04:05:32,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484156744] [2024-11-28 04:05:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:32,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:32,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:33,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:33,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:05:33,000 INFO L87 Difference]: Start difference. First operand 455 states and 560 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-11-28 04:05:36,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:36,173 INFO L93 Difference]: Finished difference Result 866 states and 1061 transitions. [2024-11-28 04:05:36,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:05:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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 188 [2024-11-28 04:05:36,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:36,177 INFO L225 Difference]: With dead ends: 866 [2024-11-28 04:05:36,178 INFO L226 Difference]: Without dead ends: 466 [2024-11-28 04:05:36,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:05:36,179 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 58 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:36,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 692 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:05:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-28 04:05:36,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 443. [2024-11-28 04:05:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 399 states have (on average 1.2230576441102756) internal successors, (488), 402 states have internal predecessors, (488), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 542 transitions. [2024-11-28 04:05:36,247 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 542 transitions. Word has length 188 [2024-11-28 04:05:36,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:36,248 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 542 transitions. [2024-11-28 04:05:36,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-11-28 04:05:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 542 transitions. [2024-11-28 04:05:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 04:05:36,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:36,251 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:36,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (25)] Ended with exit code 0 [2024-11-28 04:05:36,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:36,453 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:36,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1628678331, now seen corresponding path program 1 times [2024-11-28 04:05:36,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:36,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596792938] [2024-11-28 04:05:36,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:36,455 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 [2024-11-28 04:05:36,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:36,458 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:36,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:37,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:05:37,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:38,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:38,054 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 191 treesize of output 59 [2024-11-28 04:05:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-28 04:05:38,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:05:38,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596792938] [2024-11-28 04:05:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596792938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:38,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:38,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:05:38,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064901183] [2024-11-28 04:05:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:38,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:05:38,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:38,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:05:38,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:05:38,220 INFO L87 Difference]: Start difference. First operand 443 states and 542 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-28 04:05:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:39,266 INFO L93 Difference]: Finished difference Result 827 states and 1008 transitions. [2024-11-28 04:05:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:05:39,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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 188 [2024-11-28 04:05:39,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:39,269 INFO L225 Difference]: With dead ends: 827 [2024-11-28 04:05:39,269 INFO L226 Difference]: Without dead ends: 445 [2024-11-28 04:05:39,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:05:39,270 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 45 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:39,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 484 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:05:39,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-28 04:05:39,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 443. [2024-11-28 04:05:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 399 states have (on average 1.2105263157894737) internal successors, (483), 402 states have internal predecessors, (483), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 537 transitions. [2024-11-28 04:05:39,329 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 537 transitions. Word has length 188 [2024-11-28 04:05:39,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:39,330 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 537 transitions. [2024-11-28 04:05:39,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-28 04:05:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 537 transitions. [2024-11-28 04:05:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 04:05:39,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:39,333 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:39,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 04:05:39,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:39,534 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:39,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:39,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2079482951, now seen corresponding path program 1 times [2024-11-28 04:05:39,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:39,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360034154] [2024-11-28 04:05:39,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:39,535 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 [2024-11-28 04:05:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:39,537 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:39,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (27)] Waiting until timeout for monitored process [2024-11-28 04:05:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:40,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:05:40,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:43,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:43,777 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 303 treesize of output 99 [2024-11-28 04:05:44,038 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 169 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-28 04:05:44,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-11-28 04:05:45,948 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:45,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360034154] [2024-11-28 04:05:45,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360034154] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:05:45,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:05:45,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-28 04:05:45,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82748838] [2024-11-28 04:05:45,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:45,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:45,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:45,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:05:45,951 INFO L87 Difference]: Start difference. First operand 443 states and 537 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:48,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:48,251 INFO L93 Difference]: Finished difference Result 851 states and 1025 transitions. [2024-11-28 04:05:48,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:05:48,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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 188 [2024-11-28 04:05:48,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:48,255 INFO L225 Difference]: With dead ends: 851 [2024-11-28 04:05:48,255 INFO L226 Difference]: Without dead ends: 469 [2024-11-28 04:05:48,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:05:48,256 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 78 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:48,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 587 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:05:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-28 04:05:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 433. [2024-11-28 04:05:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 389 states have (on average 1.2107969151670952) internal successors, (471), 392 states have internal predecessors, (471), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 525 transitions. [2024-11-28 04:05:48,309 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 525 transitions. Word has length 188 [2024-11-28 04:05:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:48,309 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 525 transitions. [2024-11-28 04:05:48,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 525 transitions. [2024-11-28 04:05:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 04:05:48,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:48,312 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:48,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (27)] Ended with exit code 0 [2024-11-28 04:05:48,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:48,513 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:48,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:48,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1756769233, now seen corresponding path program 1 times [2024-11-28 04:05:48,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:48,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037320788] [2024-11-28 04:05:48,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:48,514 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 [2024-11-28 04:05:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:48,516 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:48,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (28)] Waiting until timeout for monitored process [2024-11-28 04:05:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:49,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:05:49,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:50,910 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 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-28 04:05:51,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:05:51,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 20 [2024-11-28 04:05:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 38 proven. 262 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 04:05:53,030 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:05:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 115 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-28 04:05:54,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:54,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037320788] [2024-11-28 04:05:54,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037320788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:05:54,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:05:54,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2024-11-28 04:05:54,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584302633] [2024-11-28 04:05:54,558 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:05:54,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:05:54,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:54,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:05:54,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:05:54,560 INFO L87 Difference]: Start difference. First operand 433 states and 525 transitions. Second operand has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-28 04:05:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:57,545 INFO L93 Difference]: Finished difference Result 841 states and 1010 transitions. [2024-11-28 04:05:57,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 04:05:57,546 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) Word has length 190 [2024-11-28 04:05:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:57,548 INFO L225 Difference]: With dead ends: 841 [2024-11-28 04:05:57,548 INFO L226 Difference]: Without dead ends: 469 [2024-11-28 04:05:57,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=324, Invalid=1158, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 04:05:57,550 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 406 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:57,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1635 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:05:57,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-28 04:05:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 391. [2024-11-28 04:05:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 347 states have (on average 1.201729106628242) internal successors, (417), 350 states have internal predecessors, (417), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:05:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 471 transitions. [2024-11-28 04:05:57,613 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 471 transitions. Word has length 190 [2024-11-28 04:05:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:57,613 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 471 transitions. [2024-11-28 04:05:57,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-28 04:05:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 471 transitions. [2024-11-28 04:05:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 04:05:57,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:05:57,615 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:05:57,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (28)] Ended with exit code 0 [2024-11-28 04:05:57,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:05:57,820 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:05:57,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:05:57,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1361822609, now seen corresponding path program 1 times [2024-11-28 04:05:57,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:05:57,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039618892] [2024-11-28 04:05:57,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:05:57,821 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 [2024-11-28 04:05:57,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:05:57,823 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:05:57,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (29)] Waiting until timeout for monitored process [2024-11-28 04:05:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:05:59,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:05:59,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:05:59,042 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 14 treesize of output 10 [2024-11-28 04:05:59,151 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 43 treesize of output 25 [2024-11-28 04:05:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-28 04:05:59,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:05:59,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:05:59,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039618892] [2024-11-28 04:05:59,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039618892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:05:59,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:05:59,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:05:59,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958578848] [2024-11-28 04:05:59,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:05:59,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:05:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:05:59,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:05:59,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:05:59,276 INFO L87 Difference]: Start difference. First operand 391 states and 471 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:05:59,895 INFO L93 Difference]: Finished difference Result 713 states and 856 transitions. [2024-11-28 04:05:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:05:59,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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 190 [2024-11-28 04:05:59,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:05:59,896 INFO L225 Difference]: With dead ends: 713 [2024-11-28 04:05:59,896 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:05:59,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:05:59,898 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 101 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:05:59,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 716 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:05:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:05:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:05:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:05:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:05:59,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2024-11-28 04:05:59,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:05:59,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:05:59,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2024-11-28 04:05:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:05:59,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:05:59,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:05:59,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 (29)] Ended with exit code 0 [2024-11-28 04:06:00,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:06:00,106 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:06:00,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:06:20,242 WARN L286 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 504 DAG size of output: 112 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 04:06:34,924 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 207 DAG size of output: 103 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 04:06:48,539 WARN L286 SmtUtils]: Spent 13.59s on a formula simplification. DAG size of input: 509 DAG size of output: 117 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-28 04:06:48,545 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:06:48,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,569 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,570 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,570 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,570 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,571 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,572 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,573 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,574 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,579 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,579 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,579 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 04:06:48,580 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,581 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,582 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,583 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-11-28 04:06:48,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-11-28 04:06:48,588 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-28 04:06:48,589 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-28 04:06:48,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:06:48 BoogieIcfgContainer [2024-11-28 04:06:48,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:06:48,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:06:48,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:06:48,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:06:48,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:55:25" (3/4) ... [2024-11-28 04:06:48,598 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:06:48,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 04:06:48,620 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 04:06:48,621 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:06:48,621 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:06:48,622 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:06:48,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:06:48,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:06:48,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:06:48,771 INFO L158 Benchmark]: Toolchain (without parser) took 697406.85ms. Allocated memory was 83.9MB in the beginning and 453.0MB in the end (delta: 369.1MB). Free memory was 58.4MB in the beginning and 285.5MB in the end (delta: -227.1MB). Peak memory consumption was 137.7MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,771 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:06:48,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.13ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 42.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.16ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 39.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:06:48,772 INFO L158 Benchmark]: Boogie Preprocessor took 155.12ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 34.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,772 INFO L158 Benchmark]: RCFGBuilder took 13462.19ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 36.5MB in the end (delta: -1.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,776 INFO L158 Benchmark]: TraceAbstraction took 682990.39ms. Allocated memory was 83.9MB in the beginning and 453.0MB in the end (delta: 369.1MB). Free memory was 36.0MB in the beginning and 298.0MB in the end (delta: -262.0MB). Peak memory consumption was 262.8MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,776 INFO L158 Benchmark]: Witness Printer took 179.93ms. Allocated memory is still 453.0MB. Free memory was 298.0MB in the beginning and 285.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:06:48,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.13ms. Allocated memory is still 83.9MB. Free memory was 57.9MB in the beginning and 42.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.16ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 39.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 155.12ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 34.6MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 13462.19ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 36.5MB in the end (delta: -1.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 682990.39ms. Allocated memory was 83.9MB in the beginning and 453.0MB in the end (delta: 369.1MB). Free memory was 36.0MB in the beginning and 298.0MB in the end (delta: -262.0MB). Peak memory consumption was 262.8MB. Max. memory is 16.1GB. * Witness Printer took 179.93ms. Allocated memory is still 453.0MB. Free memory was 298.0MB in the beginning and 285.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 634.4s, OverallIterations: 28, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 520.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 mSolverCounterUnknown, 5174 SdHoareTripleChecker+Valid, 504.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5167 mSDsluCounter, 21829 SdHoareTripleChecker+Invalid, 500.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17586 mSDsCounter, 322 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4039 IncrementalHoareTripleChecker+Invalid, 4404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 322 mSolverCounterUnsat, 4243 mSDtfsCounter, 4039 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5066 GetRequests, 4704 SyntacticMatches, 3 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 42.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2216occurred in iteration=21, InterpolantAutomatonStates: 254, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 28 MinimizatonAttempts, 2667 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 16.4s SatisfiabilityAnalysisTime, 84.7s InterpolantComputationTime, 3317 NumberOfCodeBlocks, 3317 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4940 ConstructedInterpolants, 180 QuantifiedInterpolants, 80303 SizeOfPredicates, 109 NumberOfNonLiveVariables, 7976 ConjunctsInSsa, 298 ConjunctsInUnsatCore, 40 InterpolantComputations, 23 PerfectInterpolantSequences, 6376/8092 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:06:48,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a475898-d7de-43ae-9a18-5fd59c6db74f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE