./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:00:44,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:00:44,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:00:44,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:00:44,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:00:44,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:00:44,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:00:44,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:00:44,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:00:44,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:00:44,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:00:44,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:00:44,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:00:44,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:00:44,681 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:00:44,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:00:44,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:00:44,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:00:44,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:00:44,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:44,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:44,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:44,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:00:44,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:00:44,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:00:44,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:00:44,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:00:44,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:00:44,687 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 -> acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 [2024-11-28 03:00:45,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:00:45,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:00:45,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:00:45,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:00:45,012 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:00:45,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:00:47,959 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/1b31c4e13/f39986f88adb4466b94a5d8586ccb531/FLAGf67dd65a4 [2024-11-28 03:00:48,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:00:48,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:00:48,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/1b31c4e13/f39986f88adb4466b94a5d8586ccb531/FLAGf67dd65a4 [2024-11-28 03:00:48,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/1b31c4e13/f39986f88adb4466b94a5d8586ccb531 [2024-11-28 03:00:48,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:00:48,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:00:48,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:00:48,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:00:48,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:00:48,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bead49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48, skipping insertion in model container [2024-11-28 03:00:48,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:00:48,435 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-28 03:00:48,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:00:48,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:00:48,530 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-28 03:00:48,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:00:48,607 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:00:48,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48 WrapperNode [2024-11-28 03:00:48,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:00:48,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:00:48,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:00:48,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:00:48,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,665 INFO L138 Inliner]: procedures = 29, calls = 141, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 432 [2024-11-28 03:00:48,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:00:48,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:00:48,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:00:48,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:00:48,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,701 INFO L175 MemorySlicer]: Split 106 memory accesses to 13 slices as follows [2, 6, 14, 10, 14, 16, 10, 6, 7, 3, 10, 3, 5]. 15 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 1]. [2024-11-28 03:00:48,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:00:48,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:00:48,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:00:48,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:00:48,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (1/1) ... [2024-11-28 03:00:48,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:00:48,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:48,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:00:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:00:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-28 03:00:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:00:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-28 03:00:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:00:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:00:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-28 03:00:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-28 03:00:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-28 03:00:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-28 03:00:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-28 03:00:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:00:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:00:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:00:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:00:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:00:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:00:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:00:49,110 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:00:49,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:00:49,785 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-28 03:00:49,785 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:00:49,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:00:49,815 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:00:49,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:49 BoogieIcfgContainer [2024-11-28 03:00:49,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:00:49,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:00:49,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:00:49,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:00:49,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:00:48" (1/3) ... [2024-11-28 03:00:49,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16025b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:49, skipping insertion in model container [2024-11-28 03:00:49,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:48" (2/3) ... [2024-11-28 03:00:49,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16025b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:49, skipping insertion in model container [2024-11-28 03:00:49,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:49" (3/3) ... [2024-11-28 03:00:49,826 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:00:49,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:00:49,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-67.i that has 2 procedures, 93 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:00:49,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:00:49,930 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;@bd9004b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:00:49,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:00:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:00:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:00:49,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:49,950 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:49,951 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:49,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash -681937091, now seen corresponding path program 1 times [2024-11-28 03:00:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:49,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80934834] [2024-11-28 03:00:49,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-28 03:00:50,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80934834] [2024-11-28 03:00:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80934834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392705508] [2024-11-28 03:00:50,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:50,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:50,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:50,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:50,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:00:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:50,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:00:50,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-28 03:00:50,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:00:50,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392705508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:50,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:50,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:00:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20748086] [2024-11-28 03:00:50,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:50,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:00:50,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:50,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:00:50,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:00:50,826 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:00:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:50,856 INFO L93 Difference]: Finished difference Result 179 states and 272 transitions. [2024-11-28 03:00:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:00:50,858 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-28 03:00:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:50,868 INFO L225 Difference]: With dead ends: 179 [2024-11-28 03:00:50,868 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:00:50,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 03:00:50,878 INFO L435 NwaCegarLoop]: 126 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, 126 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 03:00:50,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:00:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:00:50,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-28 03:00:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:00:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-11-28 03:00:50,916 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 104 [2024-11-28 03:00:50,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:50,916 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-11-28 03:00:50,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:00:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-11-28 03:00:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:00:50,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:50,920 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:50,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:51,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:00:51,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:51,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash 553584785, now seen corresponding path program 1 times [2024-11-28 03:00:51,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:51,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453098834] [2024-11-28 03:00:51,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:51,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:00:51,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:51,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453098834] [2024-11-28 03:00:51,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453098834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:51,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:51,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:00:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324121205] [2024-11-28 03:00:51,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:51,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:00:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:51,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:00:51,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:00:51,601 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:51,644 INFO L93 Difference]: Finished difference Result 178 states and 253 transitions. [2024-11-28 03:00:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:00:51,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-28 03:00:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:51,647 INFO L225 Difference]: With dead ends: 178 [2024-11-28 03:00:51,647 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 03:00:51,648 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 03:00:51,649 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:51,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 358 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:00:51,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 03:00:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2024-11-28 03:00:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:00:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2024-11-28 03:00:51,669 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 104 [2024-11-28 03:00:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:51,671 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2024-11-28 03:00:51,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2024-11-28 03:00:51,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:00:51,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:51,673 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:51,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:00:51,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:51,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:51,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1233643155, now seen corresponding path program 1 times [2024-11-28 03:00:51,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063589542] [2024-11-28 03:00:51,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:00:52,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:52,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063589542] [2024-11-28 03:00:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063589542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:52,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:00:52,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101524768] [2024-11-28 03:00:52,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:00:52,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:52,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:00:52,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:00:52,013 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:52,075 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-28 03:00:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:00:52,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-28 03:00:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:52,078 INFO L225 Difference]: With dead ends: 182 [2024-11-28 03:00:52,078 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 03:00:52,078 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 03:00:52,079 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:52,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:00:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 03:00:52,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-28 03:00:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:00:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-11-28 03:00:52,101 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 104 [2024-11-28 03:00:52,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:52,102 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-11-28 03:00:52,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-28 03:00:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:00:52,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:52,107 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:52,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:00:52,107 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:52,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:52,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1286316779, now seen corresponding path program 1 times [2024-11-28 03:00:52,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:52,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467234121] [2024-11-28 03:00:52,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:52,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:00:52,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:52,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467234121] [2024-11-28 03:00:52,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467234121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:52,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:52,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:00:52,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025711882] [2024-11-28 03:00:52,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:52,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:00:52,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:52,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:00:52,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:00:52,356 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:52,396 INFO L93 Difference]: Finished difference Result 186 states and 261 transitions. [2024-11-28 03:00:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:00:52,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-28 03:00:52,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:52,401 INFO L225 Difference]: With dead ends: 186 [2024-11-28 03:00:52,401 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 03:00:52,402 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 03:00:52,407 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:52,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 361 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:00:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 03:00:52,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-28 03:00:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:00:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-28 03:00:52,422 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 104 [2024-11-28 03:00:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:52,422 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-28 03:00:52,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:00:52,423 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-28 03:00:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:00:52,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:52,427 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:52,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:00:52,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:00:52,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1284469737, now seen corresponding path program 1 times [2024-11-28 03:00:52,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:52,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212741712] [2024-11-28 03:00:52,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:00:58,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:58,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212741712] [2024-11-28 03:00:58,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212741712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:58,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:58,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 03:00:58,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025169658] [2024-11-28 03:00:58,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:58,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:00:58,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:58,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:00:58,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:00:58,464 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:01:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:00,856 INFO L93 Difference]: Finished difference Result 306 states and 424 transitions. [2024-11-28 03:01:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:01:00,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2024-11-28 03:01:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:00,859 INFO L225 Difference]: With dead ends: 306 [2024-11-28 03:01:00,859 INFO L226 Difference]: Without dead ends: 214 [2024-11-28 03:01:00,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:01:00,862 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 493 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:00,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 838 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:01:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-28 03:01:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 170. [2024-11-28 03:01:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 153 states have (on average 1.3660130718954249) internal successors, (209), 154 states have internal predecessors, (209), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:01:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2024-11-28 03:01:00,884 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 104 [2024-11-28 03:01:00,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:00,885 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2024-11-28 03:01:00,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:01:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2024-11-28 03:01:00,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:01:00,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:00,887 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:00,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:01:00,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:00,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:00,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1205059225, now seen corresponding path program 1 times [2024-11-28 03:01:00,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:00,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27595773] [2024-11-28 03:01:00,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:00,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27595773] [2024-11-28 03:01:00,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27595773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:00,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:00,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:01:00,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017408331] [2024-11-28 03:01:00,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:00,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:01:00,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:00,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:01:00,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:01:00,991 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:01,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:01,040 INFO L93 Difference]: Finished difference Result 413 states and 571 transitions. [2024-11-28 03:01:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:01:01,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2024-11-28 03:01:01,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:01,044 INFO L225 Difference]: With dead ends: 413 [2024-11-28 03:01:01,046 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 03:01:01,047 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 03:01:01,049 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 61 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:01,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 313 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:01:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 03:01:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 168. [2024-11-28 03:01:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 152 states have internal predecessors, (205), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 03:01:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 233 transitions. [2024-11-28 03:01:01,085 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 233 transitions. Word has length 104 [2024-11-28 03:01:01,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:01,085 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 233 transitions. [2024-11-28 03:01:01,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2024-11-28 03:01:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:01:01,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:01,091 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:01,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:01:01,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:01,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash 102314982, now seen corresponding path program 1 times [2024-11-28 03:01:01,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:01,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286371034] [2024-11-28 03:01:01,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:01,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:01,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:01,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286371034] [2024-11-28 03:01:01,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286371034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:01,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:01,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:01:01,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420017516] [2024-11-28 03:01:01,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:01,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:01:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:01,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:01:01,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:01:01,938 INFO L87 Difference]: Start difference. First operand 168 states and 233 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:02,373 INFO L93 Difference]: Finished difference Result 416 states and 573 transitions. [2024-11-28 03:01:02,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:01:02,374 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-28 03:01:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:02,379 INFO L225 Difference]: With dead ends: 416 [2024-11-28 03:01:02,379 INFO L226 Difference]: Without dead ends: 251 [2024-11-28 03:01:02,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:01:02,380 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 363 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:02,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 664 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:01:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-28 03:01:02,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 248. [2024-11-28 03:01:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 227 states have internal predecessors, (303), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:01:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 339 transitions. [2024-11-28 03:01:02,437 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 339 transitions. Word has length 108 [2024-11-28 03:01:02,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:02,438 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 339 transitions. [2024-11-28 03:01:02,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 339 transitions. [2024-11-28 03:01:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:01:02,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:02,441 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:02,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:01:02,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:02,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:02,443 INFO L85 PathProgramCache]: Analyzing trace with hash -738292373, now seen corresponding path program 1 times [2024-11-28 03:01:02,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:02,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998262860] [2024-11-28 03:01:02,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:02,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:02,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:02,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998262860] [2024-11-28 03:01:02,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998262860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:02,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:02,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:01:02,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841128720] [2024-11-28 03:01:02,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:02,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:01:02,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:02,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:01:02,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:01:02,755 INFO L87 Difference]: Start difference. First operand 248 states and 339 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:03,021 INFO L93 Difference]: Finished difference Result 561 states and 770 transitions. [2024-11-28 03:01:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:01:03,022 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:01:03,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:03,024 INFO L225 Difference]: With dead ends: 561 [2024-11-28 03:01:03,024 INFO L226 Difference]: Without dead ends: 316 [2024-11-28 03:01:03,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:01:03,025 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 64 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:03,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1011 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:03,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-28 03:01:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 278. [2024-11-28 03:01:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 255 states have (on average 1.3647058823529412) internal successors, (348), 257 states have internal predecessors, (348), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:01:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 384 transitions. [2024-11-28 03:01:03,050 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 384 transitions. Word has length 110 [2024-11-28 03:01:03,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:03,050 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 384 transitions. [2024-11-28 03:01:03,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 384 transitions. [2024-11-28 03:01:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:01:03,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:03,052 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:03,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:01:03,052 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:03,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1287339029, now seen corresponding path program 1 times [2024-11-28 03:01:03,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914868460] [2024-11-28 03:01:03,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:03,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:03,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:03,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914868460] [2024-11-28 03:01:03,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914868460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:03,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:03,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:01:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282980961] [2024-11-28 03:01:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:03,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:01:03,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:03,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:01:03,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:01:03,336 INFO L87 Difference]: Start difference. First operand 278 states and 384 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:03,562 INFO L93 Difference]: Finished difference Result 593 states and 818 transitions. [2024-11-28 03:01:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:01:03,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:01:03,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:03,565 INFO L225 Difference]: With dead ends: 593 [2024-11-28 03:01:03,565 INFO L226 Difference]: Without dead ends: 318 [2024-11-28 03:01:03,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:01:03,567 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 54 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:03,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 777 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-28 03:01:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2024-11-28 03:01:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 264 states have (on average 1.3636363636363635) internal successors, (360), 266 states have internal predecessors, (360), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:01:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 396 transitions. [2024-11-28 03:01:03,600 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 396 transitions. Word has length 110 [2024-11-28 03:01:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:03,600 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 396 transitions. [2024-11-28 03:01:03,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 396 transitions. [2024-11-28 03:01:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:01:03,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:03,603 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:03,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:01:03,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:03,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1972765401, now seen corresponding path program 1 times [2024-11-28 03:01:03,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544699501] [2024-11-28 03:01:03,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:03,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:03,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544699501] [2024-11-28 03:01:03,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544699501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:03,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:03,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:03,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031958959] [2024-11-28 03:01:03,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:03,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:01:03,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:03,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:01:03,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:01:03,799 INFO L87 Difference]: Start difference. First operand 287 states and 396 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:03,938 INFO L93 Difference]: Finished difference Result 654 states and 894 transitions. [2024-11-28 03:01:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:03,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-28 03:01:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:03,940 INFO L225 Difference]: With dead ends: 654 [2024-11-28 03:01:03,941 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 03:01:03,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:03,942 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 68 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:03,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 610 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:01:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 03:01:03,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 287. [2024-11-28 03:01:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 264 states have (on average 1.356060606060606) internal successors, (358), 266 states have internal predecessors, (358), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:01:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 394 transitions. [2024-11-28 03:01:03,974 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 394 transitions. Word has length 111 [2024-11-28 03:01:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:03,974 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 394 transitions. [2024-11-28 03:01:03,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 394 transitions. [2024-11-28 03:01:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:01:03,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:03,979 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:03,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:01:03,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:03,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,980 INFO L85 PathProgramCache]: Analyzing trace with hash 278360998, now seen corresponding path program 1 times [2024-11-28 03:01:03,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633202092] [2024-11-28 03:01:03,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:04,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:04,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633202092] [2024-11-28 03:01:04,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633202092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:04,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37353674] [2024-11-28 03:01:04,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:04,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:01:04,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:04,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:01:04,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:01:04,230 INFO L87 Difference]: Start difference. First operand 287 states and 394 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:04,361 INFO L93 Difference]: Finished difference Result 653 states and 887 transitions. [2024-11-28 03:01:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:04,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-28 03:01:04,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:04,364 INFO L225 Difference]: With dead ends: 653 [2024-11-28 03:01:04,364 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 03:01:04,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:04,369 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 65 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:04,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 522 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:01:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 03:01:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 248. [2024-11-28 03:01:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 227 states have (on average 1.3612334801762114) internal successors, (309), 228 states have internal predecessors, (309), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:01:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 341 transitions. [2024-11-28 03:01:04,407 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 341 transitions. Word has length 111 [2024-11-28 03:01:04,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:04,409 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 341 transitions. [2024-11-28 03:01:04,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 341 transitions. [2024-11-28 03:01:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 03:01:04,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:04,411 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:04,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:01:04,414 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:04,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:04,414 INFO L85 PathProgramCache]: Analyzing trace with hash 664402794, now seen corresponding path program 1 times [2024-11-28 03:01:04,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:04,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202530277] [2024-11-28 03:01:04,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:04,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:01:04,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047764290] [2024-11-28 03:01:04,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:04,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:04,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:04,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:01:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:01:05,393 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:01:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:01:05,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:01:05,817 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:01:05,818 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:01:05,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:01:06,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:01:06,023 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:06,211 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:01:06,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:06 BoogieIcfgContainer [2024-11-28 03:01:06,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:01:06,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:01:06,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:01:06,222 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:01:06,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:49" (3/4) ... [2024-11-28 03:01:06,227 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:01:06,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:01:06,229 INFO L158 Benchmark]: Toolchain (without parser) took 17966.23ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 93.0MB in the beginning and 272.8MB in the end (delta: -179.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:06,230 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:06,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.29ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:01:06,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.90ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:06,231 INFO L158 Benchmark]: Boogie Preprocessor took 99.71ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:01:06,232 INFO L158 Benchmark]: RCFGBuilder took 1049.59ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 90.1MB in the end (delta: -18.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-28 03:01:06,232 INFO L158 Benchmark]: TraceAbstraction took 16403.27ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 89.4MB in the beginning and 272.8MB in the end (delta: -183.4MB). Peak memory consumption was 195.0MB. Max. memory is 16.1GB. [2024-11-28 03:01:06,233 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 327.2MB. Free memory was 272.8MB in the beginning and 272.8MB in the end (delta: 41.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:01:06,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.29ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.90ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 99.71ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 71.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1049.59ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 90.1MB in the end (delta: -18.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 16403.27ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 89.4MB in the beginning and 272.8MB in the end (delta: -183.4MB). Peak memory consumption was 195.0MB. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 327.2MB. Free memory was 272.8MB in the beginning and 272.8MB in the end (delta: 41.2kB). Peak memory consumption was 8.4MB. 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 shiftRight at line 56, overapproximation of shiftRight at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L22] signed short int var_1_1 = 2; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_4 = -64; [L24] signed short int var_1_4 = -64; [L25] signed short int* var_1_4_Pointer = &(var_1_4); [L26] signed short int var_1_5 = 256; [L26] signed short int var_1_5 = 256; [L27] signed short int* var_1_5_Pointer = &(var_1_5); [L28] unsigned short int var_1_6 = 128; [L28] unsigned short int var_1_6 = 128; [L29] unsigned short int* var_1_6_Pointer = &(var_1_6); [L30] unsigned short int var_1_7 = 256; [L30] unsigned short int var_1_7 = 256; [L31] unsigned short int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = 50; [L32] signed long int var_1_8 = 50; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 0; [L34] unsigned char var_1_9 = 0; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] signed long int var_1_10 = -4; [L36] signed long int var_1_10 = -4; [L37] signed long int* var_1_10_Pointer = &(var_1_10); [L38] float var_1_11 = 15.125; [L38] float var_1_11 = 15.125; [L39] float* var_1_11_Pointer = &(var_1_11); [L40] float var_1_12 = 0.9; [L40] float var_1_12 = 0.9; [L41] float* var_1_12_Pointer = &(var_1_12); [L42] double var_1_13 = 25.875; [L42] double var_1_13 = 25.875; [L43] double* var_1_13_Pointer = &(var_1_13); [L44] unsigned short int var_1_14 = 50; [L44] unsigned short int var_1_14 = 50; [L45] unsigned short int* var_1_14_Pointer = &(var_1_14); [L46] signed short int last_1_var_1_1 = 2; [L47] unsigned short int last_1_var_1_6 = 128; [L48] signed long int last_1_var_1_8 = 50; VAL [isInitial=0, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L101] EXPR \read(var_1_1) [L101] last_1_var_1_1 = var_1_1 [L102] EXPR \read(var_1_6) [L102] last_1_var_1_6 = var_1_6 [L103] EXPR \read(var_1_8) [L103] last_1_var_1_8 = var_1_8 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_short() [L82] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] var_1_5 = __VERIFIER_nondet_short() [L85] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] var_1_7 = __VERIFIER_nondet_ushort() [L88] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] var_1_10 = __VERIFIER_nondet_long() [L94] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] var_1_12 = __VERIFIER_nondet_float() [L98] EXPR \read(var_1_12) [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L98] EXPR \read(var_1_12) [L98] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L114] RET updateVariables() [L115] CALL step() [L52] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L53] EXPR \read(*var_1_4_Pointer) [L53] EXPR \read(*var_1_5_Pointer) [L53] (*(var_1_1_Pointer)) = ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))) [L55] EXPR \read(*var_1_4_Pointer) [L55] signed long int stepLocal_0 = 1 * (*(var_1_4_Pointer)); [L56] EXPR \read(*var_1_1_Pointer) [L56] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] EXPR (*(var_1_1_Pointer)) >> (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] COND TRUE ((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > stepLocal_0 [L57] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L57] EXPR (((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0) [L57] EXPR \read(*var_1_7_Pointer) [L57] EXPR (((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L57] (*(var_1_6_Pointer)) = (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))) [L61] EXPR \read(*var_1_12_Pointer) [L61] (*(var_1_11_Pointer)) = (*(var_1_12_Pointer)) [L62] EXPR \read(*var_1_12_Pointer) [L62] (*(var_1_13_Pointer)) = (*(var_1_12_Pointer)) [L63] EXPR \read(*var_1_7_Pointer) [L63] (*(var_1_14_Pointer)) = (*(var_1_7_Pointer)) [L64] EXPR \read(*var_1_4_Pointer) [L64] EXPR \read(*var_1_10_Pointer) [L64] signed long int stepLocal_2 = (*(var_1_4_Pointer)) / (*(var_1_10_Pointer)); [L65] EXPR \read(*var_1_7_Pointer) [L65] unsigned short int stepLocal_1 = (*(var_1_7_Pointer)); [L66] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L66] COND FALSE !((*(var_1_9_Pointer))) [L69] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L69] COND FALSE !((*(var_1_14_Pointer)) > stepLocal_2) [L76] EXPR \read(*var_1_6_Pointer) [L76] EXPR \read(*var_1_5_Pointer) [L76] (*(var_1_8_Pointer)) = ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR (! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1 [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_4_Pointer) [L106] EXPR \read(*var_1_5_Pointer) [L106] EXPR (! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (*(var_1_1_Pointer)) >> (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) [L106] EXPR \read(*var_1_6_Pointer) [L106] EXPR \read(*var_1_7_Pointer) [L106] EXPR (((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer))))))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106-L107] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((signed short int) ((*(var_1_4_Pointer)) + (*(var_1_5_Pointer))))) : 1) && ((((*(var_1_1_Pointer)) >> (*(var_1_5_Pointer))) > (1 * (*(var_1_4_Pointer)))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) (((((42286 - (*(var_1_7_Pointer)))) > (0)) ? ((42286 - (*(var_1_7_Pointer)))) : (0))))) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_6_Pointer))) < (last_1_var_1_8)) ? ((*(var_1_6_Pointer))) : (last_1_var_1_8))))) : (((*(var_1_14_Pointer)) > ((*(var_1_4_Pointer)) / (*(var_1_10_Pointer)))) ? (((*(var_1_7_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((signed long int) (((((*(var_1_4_Pointer))) < (100)) ? ((*(var_1_4_Pointer))) : (100))))) : ((*(var_1_8_Pointer)) == ((signed long int) (last_1_var_1_8 - (*(var_1_7_Pointer)))))) : ((*(var_1_8_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + (*(var_1_5_Pointer)))))))) && ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) && ((*(var_1_13_Pointer)) == ((double) (*(var_1_12_Pointer))))) && ((*(var_1_14_Pointer)) == ((unsigned short int) (*(var_1_7_Pointer)))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_14={15:0}, var_1_14_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 12, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1171 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1171 mSDsluCounter, 5939 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4375 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1169 IncrementalHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 1564 mSDtfsCounter, 1169 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=9, InterpolantAutomatonStates: 65, 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, 401 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1502 NumberOfCodeBlocks, 1502 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1266 ConstructedInterpolants, 0 QuantifiedInterpolants, 6360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 3146/3168 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 03:01:06,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:01:09,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:01:09,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:01:09,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:01:09,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:01:09,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:01:09,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:01:09,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:01:09,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:01:09,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:01:09,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:01:09,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:01:09,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:01:09,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:01:09,174 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:01:09,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:01:09,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:01:09,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:01:09,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:01:09,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:01:09,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:01:09,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:01:09,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:01:09,176 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:01:09,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:01:09,176 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:01:09,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:09,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:01:09,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:09,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:01:09,178 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:01:09,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:01:09,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:01:09,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:01:09,179 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 -> acedb713d8fb6ee88e504476b1a8afa9aad0050a29ab1fa7a298d11252db5c53 [2024-11-28 03:01:09,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:01:09,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:01:09,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:01:09,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:01:09,520 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:01:09,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:01:12,546 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/a1da6f96e/72e59ebf042c45368287da6a41b94bd9/FLAGae04d59bc [2024-11-28 03:01:12,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:01:12,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:01:12,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/a1da6f96e/72e59ebf042c45368287da6a41b94bd9/FLAGae04d59bc [2024-11-28 03:01:13,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/data/a1da6f96e/72e59ebf042c45368287da6a41b94bd9 [2024-11-28 03:01:13,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:01:13,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:01:13,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:13,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:01:13,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:01:13,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50272a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13, skipping insertion in model container [2024-11-28 03:01:13,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:01:13,290 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-28 03:01:13,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:13,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:01:13,372 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_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-67.i[916,929] [2024-11-28 03:01:13,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:01:13,430 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:01:13,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13 WrapperNode [2024-11-28 03:01:13,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:01:13,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:13,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:01:13,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:01:13,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,486 INFO L138 Inliner]: procedures = 39, calls = 141, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2024-11-28 03:01:13,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:01:13,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:01:13,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:01:13,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:01:13,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,548 INFO L175 MemorySlicer]: Split 106 memory accesses to 13 slices as follows [2, 6, 14, 10, 14, 16, 10, 6, 7, 3, 10, 3, 5]. 15 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 2, 1, 4, 1, 1, 1, 1, 1, 1]. [2024-11-28 03:01:13,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:01:13,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:01:13,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:01:13,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:01:13,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (1/1) ... [2024-11-28 03:01:13,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:01:13,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:13,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:01:13,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:01:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:01:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:01:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 03:01:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 03:01:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 03:01:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-28 03:01:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-28 03:01:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:01:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:01:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:01:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:01:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:01:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:01:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-28 03:01:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:01:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 03:01:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-28 03:01:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:01:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 03:01:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:01:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:01:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:01:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:01:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:01:13,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:01:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 03:01:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-28 03:01:13,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 03:01:13,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 03:01:13,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 03:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 03:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-28 03:01:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:01:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 03:01:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 03:01:14,067 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:01:14,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:01:14,967 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-28 03:01:14,968 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:01:14,980 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:01:14,980 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:01:14,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:14 BoogieIcfgContainer [2024-11-28 03:01:14,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:01:14,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:01:14,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:01:14,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:01:14,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:13" (1/3) ... [2024-11-28 03:01:14,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db12e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:14, skipping insertion in model container [2024-11-28 03:01:14,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:13" (2/3) ... [2024-11-28 03:01:14,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db12e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:14, skipping insertion in model container [2024-11-28 03:01:14,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:14" (3/3) ... [2024-11-28 03:01:14,992 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-67.i [2024-11-28 03:01:15,009 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:01:15,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-67.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:01:15,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:01:15,088 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;@5c6ba133, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:01:15,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:01:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:15,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:15,114 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:15,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:15,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1790845596, now seen corresponding path program 1 times [2024-11-28 03:01:15,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:15,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149486472] [2024-11-28 03:01:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:15,160 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 03:01:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:15,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:15,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:15,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:01:15,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-28 03:01:15,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:15,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:15,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149486472] [2024-11-28 03:01:15,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149486472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:15,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:15,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:01:15,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979063490] [2024-11-28 03:01:15,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:15,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:01:15,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:15,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:01:15,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:01:15,899 INFO L87 Difference]: Start difference. First operand has 88 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 74 states have internal predecessors, (102), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:01:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:15,936 INFO L93 Difference]: Finished difference Result 169 states and 258 transitions. [2024-11-28 03:01:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:01:15,938 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2024-11-28 03:01:15,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:15,945 INFO L225 Difference]: With dead ends: 169 [2024-11-28 03:01:15,946 INFO L226 Difference]: Without dead ends: 84 [2024-11-28 03:01:15,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 03:01:15,954 INFO L435 NwaCegarLoop]: 119 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, 119 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 03:01:15,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:01:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-28 03:01:16,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-28 03:01:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 70 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2024-11-28 03:01:16,015 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 103 [2024-11-28 03:01:16,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:16,018 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2024-11-28 03:01:16,019 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:01:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2024-11-28 03:01:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:16,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:16,023 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:16,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:16,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:16,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:16,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2128335248, now seen corresponding path program 1 times [2024-11-28 03:01:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403295240] [2024-11-28 03:01:16,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:16,230 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 03:01:16,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:16,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:16,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:16,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:01:16,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:16,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:16,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:16,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403295240] [2024-11-28 03:01:16,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403295240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:16,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:16,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:01:16,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164562423] [2024-11-28 03:01:16,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:16,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:01:16,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:16,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:01:16,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:01:16,875 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:16,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:16,996 INFO L93 Difference]: Finished difference Result 170 states and 242 transitions. [2024-11-28 03:01:16,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:16,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-28 03:01:16,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:17,000 INFO L225 Difference]: With dead ends: 170 [2024-11-28 03:01:17,000 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:01:17,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 03:01:17,003 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:17,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 440 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:01:17,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:01:17,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2024-11-28 03:01:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.337837837837838) internal successors, (99), 74 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 123 transitions. [2024-11-28 03:01:17,024 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 123 transitions. Word has length 103 [2024-11-28 03:01:17,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:17,026 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 123 transitions. [2024-11-28 03:01:17,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions. [2024-11-28 03:01:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:17,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:17,029 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:17,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:01:17,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:17,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:17,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:17,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1486573678, now seen corresponding path program 1 times [2024-11-28 03:01:17,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:17,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818582107] [2024-11-28 03:01:17,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:17,233 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 03:01:17,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:17,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:17,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:17,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:01:17,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:17,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:17,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:17,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818582107] [2024-11-28 03:01:17,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818582107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:17,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:17,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:01:17,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267685712] [2024-11-28 03:01:17,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:17,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:17,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:17,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:17,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:17,836 INFO L87 Difference]: Start difference. First operand 88 states and 123 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:18,074 INFO L93 Difference]: Finished difference Result 176 states and 247 transitions. [2024-11-28 03:01:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-28 03:01:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:18,076 INFO L225 Difference]: With dead ends: 176 [2024-11-28 03:01:18,076 INFO L226 Difference]: Without dead ends: 91 [2024-11-28 03:01:18,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:01:18,079 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:18,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 540 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-28 03:01:18,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-28 03:01:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 76 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 125 transitions. [2024-11-28 03:01:18,096 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 125 transitions. Word has length 103 [2024-11-28 03:01:18,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:18,096 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 125 transitions. [2024-11-28 03:01:18,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2024-11-28 03:01:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:18,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:18,102 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:18,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:18,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:18,302 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:18,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash 288433684, now seen corresponding path program 1 times [2024-11-28 03:01:18,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:18,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360172879] [2024-11-28 03:01:18,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:18,304 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 03:01:18,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:18,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:18,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:18,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:01:18,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:18,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:18,808 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:18,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360172879] [2024-11-28 03:01:18,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360172879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:18,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:18,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:01:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331652420] [2024-11-28 03:01:18,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:18,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:01:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:18,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:01:18,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:01:18,811 INFO L87 Difference]: Start difference. First operand 90 states and 125 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:19,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:19,021 INFO L93 Difference]: Finished difference Result 180 states and 251 transitions. [2024-11-28 03:01:19,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:01:19,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-28 03:01:19,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:19,023 INFO L225 Difference]: With dead ends: 180 [2024-11-28 03:01:19,023 INFO L226 Difference]: Without dead ends: 93 [2024-11-28 03:01:19,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:01:19,025 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:19,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 641 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:19,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-28 03:01:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-28 03:01:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 78 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:19,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 127 transitions. [2024-11-28 03:01:19,034 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 127 transitions. Word has length 103 [2024-11-28 03:01:19,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:19,035 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 127 transitions. [2024-11-28 03:01:19,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2024-11-28 03:01:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:19,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:19,037 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:19,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Ended with exit code 0 [2024-11-28 03:01:19,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:19,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:19,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:19,239 INFO L85 PathProgramCache]: Analyzing trace with hash 290280726, now seen corresponding path program 1 times [2024-11-28 03:01:19,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:19,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198613071] [2024-11-28 03:01:19,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:19,240 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 03:01:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:19,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:19,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:19,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 03:01:19,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:22,843 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 27 treesize of output 23 [2024-11-28 03:01:23,724 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 102 treesize of output 82 [2024-11-28 03:01:23,733 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 109 treesize of output 85 [2024-11-28 03:01:23,742 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 75 treesize of output 59 [2024-11-28 03:01:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 140 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 03:01:23,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:24,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:24,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198613071] [2024-11-28 03:01:24,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198613071] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:24,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:24,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [25] total 30 [2024-11-28 03:01:24,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921939369] [2024-11-28 03:01:24,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:24,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:01:24,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:24,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:01:24,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:01:24,727 INFO L87 Difference]: Start difference. First operand 92 states and 127 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:25,509 INFO L93 Difference]: Finished difference Result 237 states and 328 transitions. [2024-11-28 03:01:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:01:25,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-28 03:01:25,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:25,513 INFO L225 Difference]: With dead ends: 237 [2024-11-28 03:01:25,513 INFO L226 Difference]: Without dead ends: 148 [2024-11-28 03:01:25,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=113, Invalid=879, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:01:25,515 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:25,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 639 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:01:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-28 03:01:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 108. [2024-11-28 03:01:25,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 03:01:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 151 transitions. [2024-11-28 03:01:25,544 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 151 transitions. Word has length 103 [2024-11-28 03:01:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:25,545 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 151 transitions. [2024-11-28 03:01:25,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 151 transitions. [2024-11-28 03:01:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:01:25,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:25,547 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:25,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:25,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:25,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:25,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:25,749 INFO L85 PathProgramCache]: Analyzing trace with hash 509135444, now seen corresponding path program 1 times [2024-11-28 03:01:25,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:25,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272820935] [2024-11-28 03:01:25,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:25,750 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 03:01:25,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:25,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:25,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:26,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:01:26,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:26,160 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 03:01:26,175 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 03:01:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:26,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:01:26,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:26,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272820935] [2024-11-28 03:01:26,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272820935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:01:26,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:01:26,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:01:26,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938256070] [2024-11-28 03:01:26,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:26,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:01:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:26,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:01:26,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:01:26,743 INFO L87 Difference]: Start difference. First operand 108 states and 151 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:26,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:26,993 INFO L93 Difference]: Finished difference Result 301 states and 421 transitions. [2024-11-28 03:01:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:01:26,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-28 03:01:26,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:26,996 INFO L225 Difference]: With dead ends: 301 [2024-11-28 03:01:26,996 INFO L226 Difference]: Without dead ends: 196 [2024-11-28 03:01:26,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:01:26,997 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 96 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:26,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 326 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-28 03:01:27,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2024-11-28 03:01:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 132 states have (on average 1.3257575757575757) internal successors, (175), 132 states have internal predecessors, (175), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 03:01:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 223 transitions. [2024-11-28 03:01:27,026 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 223 transitions. Word has length 103 [2024-11-28 03:01:27,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:27,027 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 223 transitions. [2024-11-28 03:01:27,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 223 transitions. [2024-11-28 03:01:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:01:27,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:27,030 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:27,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:27,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:27,231 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:27,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:27,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1527356088, now seen corresponding path program 1 times [2024-11-28 03:01:27,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:27,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780602940] [2024-11-28 03:01:27,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:27,233 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 03:01:27,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:27,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:27,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:27,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:01:27,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:28,104 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 03:01:28,234 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 03:01:28,238 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 34 [2024-11-28 03:01:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:01:28,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:28,504 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:28,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780602940] [2024-11-28 03:01:28,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780602940] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:28,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:28,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-28 03:01:28,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71626579] [2024-11-28 03:01:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:28,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:01:28,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:28,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:01:28,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:01:28,506 INFO L87 Difference]: Start difference. First operand 159 states and 223 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:29,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:29,151 INFO L93 Difference]: Finished difference Result 351 states and 491 transitions. [2024-11-28 03:01:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:01:29,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-28 03:01:29,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:29,154 INFO L225 Difference]: With dead ends: 351 [2024-11-28 03:01:29,154 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 03:01:29,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:01:29,155 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 70 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:29,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 544 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:01:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 03:01:29,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2024-11-28 03:01:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 211 states have (on average 1.3459715639810426) internal successors, (284), 212 states have internal predecessors, (284), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:01:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 340 transitions. [2024-11-28 03:01:29,177 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 340 transitions. Word has length 105 [2024-11-28 03:01:29,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:29,177 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 340 transitions. [2024-11-28 03:01:29,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 340 transitions. [2024-11-28 03:01:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:01:29,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:29,179 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:29,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:29,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:29,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:29,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:29,380 INFO L85 PathProgramCache]: Analyzing trace with hash 261825261, now seen corresponding path program 1 times [2024-11-28 03:01:29,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:29,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525183352] [2024-11-28 03:01:29,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:29,381 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 03:01:29,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:29,382 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:29,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:29,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:01:29,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:31,181 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 33 treesize of output 25 [2024-11-28 03:01:31,189 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 29 treesize of output 21 [2024-11-28 03:01:31,195 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 27 [2024-11-28 03:01:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:01:32,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:32,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:32,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525183352] [2024-11-28 03:01:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525183352] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-28 03:01:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308391998] [2024-11-28 03:01:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:32,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:01:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:32,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:01:32,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:01:32,900 INFO L87 Difference]: Start difference. First operand 243 states and 340 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:33,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:33,433 INFO L93 Difference]: Finished difference Result 419 states and 584 transitions. [2024-11-28 03:01:33,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:01:33,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-28 03:01:33,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:33,437 INFO L225 Difference]: With dead ends: 419 [2024-11-28 03:01:33,438 INFO L226 Difference]: Without dead ends: 240 [2024-11-28 03:01:33,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:01:33,439 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 98 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:33,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 329 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:01:33,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-28 03:01:33,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-11-28 03:01:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 206 states have (on average 1.3398058252427185) internal successors, (276), 207 states have internal predecessors, (276), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:01:33,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 332 transitions. [2024-11-28 03:01:33,457 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 332 transitions. Word has length 107 [2024-11-28 03:01:33,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:33,458 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 332 transitions. [2024-11-28 03:01:33,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:33,458 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 332 transitions. [2024-11-28 03:01:33,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:01:33,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:33,459 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:33,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:33,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:33,660 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:33,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:33,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1387733651, now seen corresponding path program 1 times [2024-11-28 03:01:33,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:33,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942335746] [2024-11-28 03:01:33,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:33,661 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 03:01:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:33,663 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:33,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:34,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:01:34,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:36,965 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 45 [2024-11-28 03:01:36,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2024-11-28 03:01:36,983 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 59 treesize of output 39 [2024-11-28 03:01:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 143 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 03:01:38,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:39,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:39,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942335746] [2024-11-28 03:01:39,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942335746] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:39,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:39,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 27 [2024-11-28 03:01:39,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049427362] [2024-11-28 03:01:39,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:39,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:01:39,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:39,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:01:39,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:01:39,467 INFO L87 Difference]: Start difference. First operand 238 states and 332 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:41,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:41,069 INFO L93 Difference]: Finished difference Result 445 states and 617 transitions. [2024-11-28 03:01:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:01:41,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-28 03:01:41,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:41,073 INFO L225 Difference]: With dead ends: 445 [2024-11-28 03:01:41,073 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 03:01:41,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=127, Invalid=803, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:01:41,079 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 137 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:41,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 734 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:01:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 03:01:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 241. [2024-11-28 03:01:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 209 states have (on average 1.3349282296650717) internal successors, (279), 210 states have internal predecessors, (279), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:01:41,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2024-11-28 03:01:41,112 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 107 [2024-11-28 03:01:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:41,114 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2024-11-28 03:01:41,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2024-11-28 03:01:41,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:01:41,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:41,116 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:41,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Ended with exit code 0 [2024-11-28 03:01:41,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:41,317 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:41,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:41,317 INFO L85 PathProgramCache]: Analyzing trace with hash 472010962, now seen corresponding path program 1 times [2024-11-28 03:01:41,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:41,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726510785] [2024-11-28 03:01:41,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:41,318 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 03:01:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:41,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:41,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:41,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:01:41,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:41,993 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 03:01:42,032 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 03:01:42,182 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 03:01:42,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-11-28 03:01:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:01:42,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:01:43,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:01:43,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726510785] [2024-11-28 03:01:43,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726510785] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:43,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:43,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 19 [2024-11-28 03:01:43,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547186381] [2024-11-28 03:01:43,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:01:43,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:01:43,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:01:43,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:01:43,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:01:43,237 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:43,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:43,851 INFO L93 Difference]: Finished difference Result 257 states and 350 transitions. [2024-11-28 03:01:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:01:43,852 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:01:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:43,854 INFO L225 Difference]: With dead ends: 257 [2024-11-28 03:01:43,854 INFO L226 Difference]: Without dead ends: 255 [2024-11-28 03:01:43,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:01:43,855 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 238 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:43,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 655 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:01:43,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-28 03:01:43,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 211. [2024-11-28 03:01:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 182 states have (on average 1.335164835164835) internal successors, (243), 182 states have internal predecessors, (243), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 03:01:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2024-11-28 03:01:43,872 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 291 transitions. Word has length 109 [2024-11-28 03:01:43,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:43,873 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 291 transitions. [2024-11-28 03:01:43,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:01:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 291 transitions. [2024-11-28 03:01:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:01:43,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:43,875 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:01:43,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:44,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:44,075 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:44,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:44,077 INFO L85 PathProgramCache]: Analyzing trace with hash 473858004, now seen corresponding path program 1 times [2024-11-28 03:01:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:01:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123438709] [2024-11-28 03:01:44,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:44,078 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 03:01:44,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:01:44,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:44,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:01:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:44,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:01:44,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:46,280 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 18 treesize of output 19 [2024-11-28 03:01:51,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:01:51,472 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 156 treesize of output 86 [2024-11-28 03:01:51,476 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 167 treesize of output 107 [2024-11-28 03:01:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:01:51,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:03,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:03,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123438709] [2024-11-28 03:02:03,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123438709] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:03,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:03,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 13 [2024-11-28 03:02:03,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287711363] [2024-11-28 03:02:03,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:03,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:02:03,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:03,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:02:03,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=128, Unknown=1, NotChecked=0, Total=156 [2024-11-28 03:02:03,690 INFO L87 Difference]: Start difference. First operand 211 states and 291 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:13,444 INFO L93 Difference]: Finished difference Result 358 states and 492 transitions. [2024-11-28 03:02:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:02:13,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:13,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:13,451 INFO L225 Difference]: With dead ends: 358 [2024-11-28 03:02:13,452 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 03:02:13,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=61, Invalid=244, Unknown=1, NotChecked=0, Total=306 [2024-11-28 03:02:13,453 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 85 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:13,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 735 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 03:02:13,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 03:02:13,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 03:02:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 185 states have (on average 1.3243243243243243) internal successors, (245), 185 states have internal predecessors, (245), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 03:02:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 293 transitions. [2024-11-28 03:02:13,470 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 293 transitions. Word has length 109 [2024-11-28 03:02:13,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:13,471 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 293 transitions. [2024-11-28 03:02:13,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 293 transitions. [2024-11-28 03:02:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:13,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:13,473 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:13,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:13,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:13,673 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:13,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2046101930, now seen corresponding path program 1 times [2024-11-28 03:02:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:13,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404085454] [2024-11-28 03:02:13,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:13,674 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 03:02:13,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:13,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:13,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:14,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:02:14,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:15,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:02:15,532 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 125 treesize of output 89 [2024-11-28 03:02:15,538 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 137 treesize of output 77 [2024-11-28 03:02:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:02:15,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:15,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:15,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404085454] [2024-11-28 03:02:15,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404085454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:15,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [359465865] [2024-11-28 03:02:15,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:15,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:02:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:02:15,879 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:02:15,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-28 03:02:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:19,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 03:02:19,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:22,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:02:23,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:02:24,131 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 125 treesize of output 89 [2024-11-28 03:02:24,142 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 137 treesize of output 77 [2024-11-28 03:02:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:02:24,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:24,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [359465865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:24,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:24,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-28 03:02:24,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115510059] [2024-11-28 03:02:24,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:24,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:02:24,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:24,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:02:24,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:02:24,368 INFO L87 Difference]: Start difference. First operand 215 states and 293 transitions. Second operand has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 03:02:26,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:26,491 INFO L93 Difference]: Finished difference Result 540 states and 735 transitions. [2024-11-28 03:02:26,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:02:26,492 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 109 [2024-11-28 03:02:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:26,494 INFO L225 Difference]: With dead ends: 540 [2024-11-28 03:02:26,494 INFO L226 Difference]: Without dead ends: 393 [2024-11-28 03:02:26,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:02:26,495 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 476 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:26,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 978 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:02:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-28 03:02:26,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 342. [2024-11-28 03:02:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 308 states have (on average 1.37012987012987) internal successors, (422), 308 states have internal predecessors, (422), 26 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:02:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 474 transitions. [2024-11-28 03:02:26,526 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 474 transitions. Word has length 109 [2024-11-28 03:02:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:26,527 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 474 transitions. [2024-11-28 03:02:26,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 15 states have internal predecessors, (102), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 03:02:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 474 transitions. [2024-11-28 03:02:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:26,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:26,528 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:26,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Ended with exit code 0 [2024-11-28 03:02:26,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:02:26,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:02:26,928 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:26,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1366043560, now seen corresponding path program 1 times [2024-11-28 03:02:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:26,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639852018] [2024-11-28 03:02:26,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:26,929 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 03:02:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:26,931 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:26,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:27,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:02:27,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:27,543 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 25 treesize of output 21 [2024-11-28 03:02:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-28 03:02:27,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:27,900 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:27,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639852018] [2024-11-28 03:02:27,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639852018] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:27,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:27,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2024-11-28 03:02:27,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193831170] [2024-11-28 03:02:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:27,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:02:27,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:27,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:02:27,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:02:27,902 INFO L87 Difference]: Start difference. First operand 342 states and 474 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:28,490 INFO L93 Difference]: Finished difference Result 713 states and 973 transitions. [2024-11-28 03:02:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:02:28,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:28,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:28,494 INFO L225 Difference]: With dead ends: 713 [2024-11-28 03:02:28,494 INFO L226 Difference]: Without dead ends: 473 [2024-11-28 03:02:28,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:28,495 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:28,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 645 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:02:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-28 03:02:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 470. [2024-11-28 03:02:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 433 states have (on average 1.3371824480369514) internal successors, (579), 434 states have internal predecessors, (579), 28 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:02:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 635 transitions. [2024-11-28 03:02:28,544 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 635 transitions. Word has length 109 [2024-11-28 03:02:28,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:28,544 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 635 transitions. [2024-11-28 03:02:28,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 635 transitions. [2024-11-28 03:02:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:28,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:28,549 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:28,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:28,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:28,749 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:28,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:28,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1626583903, now seen corresponding path program 1 times [2024-11-28 03:02:28,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:28,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789700502] [2024-11-28 03:02:28,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:28,750 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 03:02:28,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:28,752 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:28,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:29,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:02:29,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 03:02:29,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:29,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:29,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789700502] [2024-11-28 03:02:29,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789700502] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:29,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:29,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-28 03:02:29,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873414861] [2024-11-28 03:02:29,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:29,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:29,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:29,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:29,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:02:29,853 INFO L87 Difference]: Start difference. First operand 470 states and 635 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:30,059 INFO L93 Difference]: Finished difference Result 961 states and 1283 transitions. [2024-11-28 03:02:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:30,060 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:30,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:30,063 INFO L225 Difference]: With dead ends: 961 [2024-11-28 03:02:30,063 INFO L226 Difference]: Without dead ends: 601 [2024-11-28 03:02:30,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:02:30,066 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 116 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:30,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 325 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-28 03:02:30,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 598. [2024-11-28 03:02:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 552 states have (on average 1.3079710144927537) internal successors, (722), 554 states have internal predecessors, (722), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 790 transitions. [2024-11-28 03:02:30,121 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 790 transitions. Word has length 109 [2024-11-28 03:02:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:30,121 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 790 transitions. [2024-11-28 03:02:30,121 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 790 transitions. [2024-11-28 03:02:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:30,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:30,124 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:30,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:02:30,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:30,324 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:30,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:30,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1295001042, now seen corresponding path program 1 times [2024-11-28 03:02:30,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:30,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837457010] [2024-11-28 03:02:30,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:30,325 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 03:02:30,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:30,327 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:30,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:30,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:02:30,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:31,157 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 22 treesize of output 18 [2024-11-28 03:02:31,280 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 19 [2024-11-28 03:02:31,326 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 37 treesize of output 25 [2024-11-28 03:02:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:02:31,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:31,937 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:31,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837457010] [2024-11-28 03:02:31,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837457010] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:31,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:31,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 19 [2024-11-28 03:02:31,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780770428] [2024-11-28 03:02:31,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:31,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:02:31,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:31,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:02:31,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:02:31,939 INFO L87 Difference]: Start difference. First operand 598 states and 790 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:33,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:33,334 INFO L93 Difference]: Finished difference Result 1440 states and 1899 transitions. [2024-11-28 03:02:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:02:33,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:33,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:33,339 INFO L225 Difference]: With dead ends: 1440 [2024-11-28 03:02:33,340 INFO L226 Difference]: Without dead ends: 964 [2024-11-28 03:02:33,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:02:33,341 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 73 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:33,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1138 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 03:02:33,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-28 03:02:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 748. [2024-11-28 03:02:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3276353276353277) internal successors, (932), 704 states have internal predecessors, (932), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1000 transitions. [2024-11-28 03:02:33,396 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1000 transitions. Word has length 109 [2024-11-28 03:02:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:33,396 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1000 transitions. [2024-11-28 03:02:33,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1000 transitions. [2024-11-28 03:02:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:33,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:33,398 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:33,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:02:33,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:33,599 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:33,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:33,599 INFO L85 PathProgramCache]: Analyzing trace with hash 15137364, now seen corresponding path program 1 times [2024-11-28 03:02:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933208749] [2024-11-28 03:02:33,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:33,600 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 03:02:33,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:33,602 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:33,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:02:33,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:34,221 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 03:02:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:02:34,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:35,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:35,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933208749] [2024-11-28 03:02:35,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933208749] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:35,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:35,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 03:02:35,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352228519] [2024-11-28 03:02:35,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:35,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:35,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:35,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:35,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:02:35,354 INFO L87 Difference]: Start difference. First operand 748 states and 1000 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:35,833 INFO L93 Difference]: Finished difference Result 1554 states and 2057 transitions. [2024-11-28 03:02:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:35,834 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:35,838 INFO L225 Difference]: With dead ends: 1554 [2024-11-28 03:02:35,839 INFO L226 Difference]: Without dead ends: 958 [2024-11-28 03:02:35,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:02:35,840 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 68 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:35,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 518 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:02:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-28 03:02:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 748. [2024-11-28 03:02:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3190883190883191) internal successors, (926), 704 states have internal predecessors, (926), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 994 transitions. [2024-11-28 03:02:35,902 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 994 transitions. Word has length 109 [2024-11-28 03:02:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:35,903 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 994 transitions. [2024-11-28 03:02:35,903 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 994 transitions. [2024-11-28 03:02:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:35,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:35,904 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:35,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:36,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:36,105 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:36,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:36,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1435549652, now seen corresponding path program 1 times [2024-11-28 03:02:36,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:36,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147165775] [2024-11-28 03:02:36,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:36,106 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 03:02:36,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:36,109 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:36,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:36,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:02:36,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:36,775 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 03:02:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:02:36,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:36,984 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:36,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147165775] [2024-11-28 03:02:36,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147165775] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:36,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:36,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-28 03:02:36,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057018767] [2024-11-28 03:02:36,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:36,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:36,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:36,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:36,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:02:36,986 INFO L87 Difference]: Start difference. First operand 748 states and 994 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:37,403 INFO L93 Difference]: Finished difference Result 1536 states and 2027 transitions. [2024-11-28 03:02:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:37,404 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:37,407 INFO L225 Difference]: With dead ends: 1536 [2024-11-28 03:02:37,407 INFO L226 Difference]: Without dead ends: 940 [2024-11-28 03:02:37,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:02:37,408 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 66 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:37,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 547 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:02:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-28 03:02:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 748. [2024-11-28 03:02:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 702 states have (on average 1.3105413105413106) internal successors, (920), 704 states have internal predecessors, (920), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 988 transitions. [2024-11-28 03:02:37,462 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 988 transitions. Word has length 109 [2024-11-28 03:02:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:37,463 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 988 transitions. [2024-11-28 03:02:37,463 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 988 transitions. [2024-11-28 03:02:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:37,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:37,465 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:37,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:37,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:37,665 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash 155685974, now seen corresponding path program 1 times [2024-11-28 03:02:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:37,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278346120] [2024-11-28 03:02:37,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:37,666 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 03:02:37,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:37,668 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:37,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:38,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:02:38,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:38,046 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 03:02:38,079 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 03:02:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:38,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:38,151 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:38,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278346120] [2024-11-28 03:02:38,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278346120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:38,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:38,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:02:38,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881949032] [2024-11-28 03:02:38,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:38,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:02:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:38,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:02:38,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:02:38,152 INFO L87 Difference]: Start difference. First operand 748 states and 988 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:38,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:38,780 INFO L93 Difference]: Finished difference Result 1622 states and 2128 transitions. [2024-11-28 03:02:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:02:38,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-28 03:02:38,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:38,785 INFO L225 Difference]: With dead ends: 1622 [2024-11-28 03:02:38,785 INFO L226 Difference]: Without dead ends: 1026 [2024-11-28 03:02:38,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:02:38,786 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 109 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1345 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:38,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1345 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:02:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-28 03:02:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 742. [2024-11-28 03:02:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3132183908045978) internal successors, (914), 698 states have internal predecessors, (914), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 982 transitions. [2024-11-28 03:02:38,844 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 982 transitions. Word has length 109 [2024-11-28 03:02:38,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:38,844 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 982 transitions. [2024-11-28 03:02:38,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 982 transitions. [2024-11-28 03:02:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:02:38,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:38,846 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:38,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,047 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:39,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1219506068, now seen corresponding path program 1 times [2024-11-28 03:02:39,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:39,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829481439] [2024-11-28 03:02:39,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:39,047 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 03:02:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:39,049 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:39,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:02:39,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:02:39,484 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:39,484 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:39,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829481439] [2024-11-28 03:02:39,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829481439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:39,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:39,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:02:39,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994583392] [2024-11-28 03:02:39,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:39,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:02:39,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:39,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:02:39,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:02:39,485 INFO L87 Difference]: Start difference. First operand 742 states and 982 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:02:39,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:39,557 INFO L93 Difference]: Finished difference Result 1387 states and 1837 transitions. [2024-11-28 03:02:39,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:02:39,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-28 03:02:39,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:39,561 INFO L225 Difference]: With dead ends: 1387 [2024-11-28 03:02:39,561 INFO L226 Difference]: Without dead ends: 742 [2024-11-28 03:02:39,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 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 03:02:39,562 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:39,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:02:39,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-28 03:02:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2024-11-28 03:02:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3103448275862069) internal successors, (912), 698 states have internal predecessors, (912), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 980 transitions. [2024-11-28 03:02:39,619 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 980 transitions. Word has length 109 [2024-11-28 03:02:39,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:39,619 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 980 transitions. [2024-11-28 03:02:39,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:02:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 980 transitions. [2024-11-28 03:02:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:02:39,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:39,621 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:39,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,821 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:39,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:39,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1175156526, now seen corresponding path program 1 times [2024-11-28 03:02:39,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:39,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001061594] [2024-11-28 03:02:39,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:39,823 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 03:02:39,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:39,824 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:39,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:40,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:02:40,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:40,915 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 19 [2024-11-28 03:02:40,948 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 13 treesize of output 9 [2024-11-28 03:02:42,968 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 22 [2024-11-28 03:02:42,974 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 17 [2024-11-28 03:02:42,979 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 31 treesize of output 19 [2024-11-28 03:02:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:02:43,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:50,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:50,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001061594] [2024-11-28 03:02:50,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001061594] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:50,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:50,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-11-28 03:02:50,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10862176] [2024-11-28 03:02:50,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:50,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:02:50,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:50,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:02:50,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=200, Unknown=1, NotChecked=0, Total=240 [2024-11-28 03:02:50,491 INFO L87 Difference]: Start difference. First operand 742 states and 980 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:53,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:53,312 INFO L93 Difference]: Finished difference Result 1334 states and 1763 transitions. [2024-11-28 03:02:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:53,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:02:53,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:53,321 INFO L225 Difference]: With dead ends: 1334 [2024-11-28 03:02:53,321 INFO L226 Difference]: Without dead ends: 744 [2024-11-28 03:02:53,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=53, Invalid=252, Unknown=1, NotChecked=0, Total=306 [2024-11-28 03:02:53,322 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 122 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:53,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 463 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:02:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-28 03:02:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2024-11-28 03:02:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 696 states have (on average 1.3074712643678161) internal successors, (910), 698 states have internal predecessors, (910), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 03:02:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 978 transitions. [2024-11-28 03:02:53,375 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 978 transitions. Word has length 110 [2024-11-28 03:02:53,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:53,375 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 978 transitions. [2024-11-28 03:02:53,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 978 transitions. [2024-11-28 03:02:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:02:53,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:53,378 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:53,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:53,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:53,579 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:53,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1256759457, now seen corresponding path program 1 times [2024-11-28 03:02:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:53,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046183066] [2024-11-28 03:02:53,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:53,580 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 03:02:53,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:53,582 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:53,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:54,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:02:54,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:54,940 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 03:02:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 152 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 03:02:55,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:55,254 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:55,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046183066] [2024-11-28 03:02:55,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046183066] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:55,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:55,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:02:55,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269618735] [2024-11-28 03:02:55,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:55,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:55,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:55,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:55,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:02:55,255 INFO L87 Difference]: Start difference. First operand 742 states and 978 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:55,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:55,545 INFO L93 Difference]: Finished difference Result 1327 states and 1745 transitions. [2024-11-28 03:02:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:55,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:02:55,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:55,548 INFO L225 Difference]: With dead ends: 1327 [2024-11-28 03:02:55,548 INFO L226 Difference]: Without dead ends: 737 [2024-11-28 03:02:55,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:55,550 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 90 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:55,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 421 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:55,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-28 03:02:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 686. [2024-11-28 03:02:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 647 states have (on average 1.312210200927357) internal successors, (849), 648 states have internal predecessors, (849), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:02:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 905 transitions. [2024-11-28 03:02:55,601 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 905 transitions. Word has length 110 [2024-11-28 03:02:55,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:55,602 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 905 transitions. [2024-11-28 03:02:55,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 905 transitions. [2024-11-28 03:02:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:02:55,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:55,603 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:55,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:55,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:55,804 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:55,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash 996219114, now seen corresponding path program 1 times [2024-11-28 03:02:55,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:55,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999802742] [2024-11-28 03:02:55,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:55,805 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 03:02:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:55,807 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:55,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:56,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:02:56,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:57,130 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 19 [2024-11-28 03:02:57,135 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 13 treesize of output 9 [2024-11-28 03:02:57,473 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 03:02:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:02:57,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:57,816 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:57,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999802742] [2024-11-28 03:02:57,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999802742] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:57,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:02:57,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-28 03:02:57,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40996074] [2024-11-28 03:02:57,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:57,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:57,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:57,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:57,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:02:57,817 INFO L87 Difference]: Start difference. First operand 686 states and 905 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:58,084 INFO L93 Difference]: Finished difference Result 1370 states and 1791 transitions. [2024-11-28 03:02:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:02:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:02:58,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:58,089 INFO L225 Difference]: With dead ends: 1370 [2024-11-28 03:02:58,089 INFO L226 Difference]: Without dead ends: 836 [2024-11-28 03:02:58,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:02:58,092 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 52 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:58,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 365 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-28 03:02:58,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 804. [2024-11-28 03:02:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 765 states have (on average 1.2954248366013073) internal successors, (991), 766 states have internal predecessors, (991), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:02:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1047 transitions. [2024-11-28 03:02:58,155 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1047 transitions. Word has length 110 [2024-11-28 03:02:58,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:58,156 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1047 transitions. [2024-11-28 03:02:58,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1047 transitions. [2024-11-28 03:02:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:02:58,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:58,158 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:58,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:58,359 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:02:58,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1583025128, now seen corresponding path program 1 times [2024-11-28 03:02:58,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:02:58,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779043025] [2024-11-28 03:02:58,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:58,360 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 03:02:58,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:02:58,363 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:58,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:02:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:58,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:02:58,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:58,771 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 03:02:58,827 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 03:02:58,850 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 03:02:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:02:58,962 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:02:58,962 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:02:58,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779043025] [2024-11-28 03:02:58,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779043025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:58,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:58,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:02:58,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59125681] [2024-11-28 03:02:58,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:58,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:02:58,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:02:58,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:02:58,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:02:58,964 INFO L87 Difference]: Start difference. First operand 804 states and 1047 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:59,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:59,763 INFO L93 Difference]: Finished difference Result 1548 states and 2012 transitions. [2024-11-28 03:02:59,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:02:59,763 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:02:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:59,766 INFO L225 Difference]: With dead ends: 1548 [2024-11-28 03:02:59,766 INFO L226 Difference]: Without dead ends: 914 [2024-11-28 03:02:59,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:59,767 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 84 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:59,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1348 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:02:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-28 03:02:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 812. [2024-11-28 03:02:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 773 states have (on average 1.2923673997412677) internal successors, (999), 774 states have internal predecessors, (999), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-28 03:02:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1055 transitions. [2024-11-28 03:02:59,822 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1055 transitions. Word has length 110 [2024-11-28 03:02:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:59,823 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1055 transitions. [2024-11-28 03:02:59,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:02:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1055 transitions. [2024-11-28 03:02:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:02:59,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:59,824 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:59,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:00,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:00,026 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:00,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:00,026 INFO L85 PathProgramCache]: Analyzing trace with hash 862205608, now seen corresponding path program 1 times [2024-11-28 03:03:00,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:00,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218232852] [2024-11-28 03:03:00,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:00,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:03:00,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:00,028 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:00,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:00,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:03:00,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:01,215 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-28 03:03:01,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:03:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:01,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:03:01,512 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:01,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218232852] [2024-11-28 03:03:01,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218232852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:01,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:01,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:03:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153109416] [2024-11-28 03:03:01,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:01,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:03:01,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:01,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:03:01,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:03:01,513 INFO L87 Difference]: Start difference. First operand 812 states and 1055 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:02,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:02,637 INFO L93 Difference]: Finished difference Result 1768 states and 2320 transitions. [2024-11-28 03:03:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:03:02,637 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:03:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:02,640 INFO L225 Difference]: With dead ends: 1768 [2024-11-28 03:03:02,640 INFO L226 Difference]: Without dead ends: 1126 [2024-11-28 03:03:02,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:03:02,642 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 208 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:02,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1010 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:03:02,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2024-11-28 03:03:02,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1064. [2024-11-28 03:03:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1007 states have (on average 1.2909632571996028) internal successors, (1300), 1008 states have internal predecessors, (1300), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-28 03:03:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1382 transitions. [2024-11-28 03:03:02,743 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1382 transitions. Word has length 110 [2024-11-28 03:03:02,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:02,744 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1382 transitions. [2024-11-28 03:03:02,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1382 transitions. [2024-11-28 03:03:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:03:02,745 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:02,745 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:02,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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)] Ended with exit code 0 [2024-11-28 03:03:02,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:02,946 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:02,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1449011622, now seen corresponding path program 1 times [2024-11-28 03:03:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:02,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721196570] [2024-11-28 03:03:02,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:03:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:02,950 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:03,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:03:03,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:04,342 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 19 [2024-11-28 03:03:04,347 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 13 treesize of output 9 [2024-11-28 03:03:04,749 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 03:03:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:03:04,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:05,088 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:05,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721196570] [2024-11-28 03:03:05,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721196570] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:05,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:05,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-28 03:03:05,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050275314] [2024-11-28 03:03:05,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:05,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:03:05,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:05,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:03:05,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:03:05,090 INFO L87 Difference]: Start difference. First operand 1064 states and 1382 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:05,441 INFO L93 Difference]: Finished difference Result 1980 states and 2571 transitions. [2024-11-28 03:03:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:03:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-28 03:03:05,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:05,445 INFO L225 Difference]: With dead ends: 1980 [2024-11-28 03:03:05,446 INFO L226 Difference]: Without dead ends: 1086 [2024-11-28 03:03:05,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:03:05,447 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 28 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:05,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 476 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:03:05,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-11-28 03:03:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1056. [2024-11-28 03:03:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 999 states have (on average 1.2872872872872874) internal successors, (1286), 1000 states have internal predecessors, (1286), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-28 03:03:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1368 transitions. [2024-11-28 03:03:05,523 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1368 transitions. Word has length 110 [2024-11-28 03:03:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:05,523 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1368 transitions. [2024-11-28 03:03:05,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1368 transitions. [2024-11-28 03:03:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:03:05,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:05,525 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:05,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:05,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:05,726 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:05,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:05,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1564405514, now seen corresponding path program 1 times [2024-11-28 03:03:05,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:05,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84141752] [2024-11-28 03:03:05,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:05,726 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 03:03:05,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:05,728 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:05,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:06,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:03:06,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:06,893 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 19 [2024-11-28 03:03:06,927 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 13 treesize of output 9 [2024-11-28 03:03:09,257 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 31 treesize of output 23 [2024-11-28 03:03:09,264 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 03:03:09,269 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 32 treesize of output 20 [2024-11-28 03:03:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:03:09,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:16,539 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:16,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84141752] [2024-11-28 03:03:16,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84141752] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:16,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:16,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-11-28 03:03:16,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567309590] [2024-11-28 03:03:16,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:16,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:03:16,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:16,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:03:16,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=200, Unknown=1, NotChecked=0, Total=240 [2024-11-28 03:03:16,543 INFO L87 Difference]: Start difference. First operand 1056 states and 1368 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:19,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:19,010 INFO L93 Difference]: Finished difference Result 1684 states and 2184 transitions. [2024-11-28 03:03:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:03:19,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 111 [2024-11-28 03:03:19,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:19,021 INFO L225 Difference]: With dead ends: 1684 [2024-11-28 03:03:19,021 INFO L226 Difference]: Without dead ends: 1042 [2024-11-28 03:03:19,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=53, Invalid=252, Unknown=1, NotChecked=0, Total=306 [2024-11-28 03:03:19,023 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 59 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:19,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 418 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:03:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-28 03:03:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1040. [2024-11-28 03:03:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 983 states have (on average 1.28382502543235) internal successors, (1262), 984 states have internal predecessors, (1262), 41 states have call successors, (41), 15 states have call predecessors, (41), 15 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-28 03:03:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1344 transitions. [2024-11-28 03:03:19,103 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1344 transitions. Word has length 111 [2024-11-28 03:03:19,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:19,103 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1344 transitions. [2024-11-28 03:03:19,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1344 transitions. [2024-11-28 03:03:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:03:19,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:19,105 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:19,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:19,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:19,306 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:19,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:19,307 INFO L85 PathProgramCache]: Analyzing trace with hash 601052816, now seen corresponding path program 1 times [2024-11-28 03:03:19,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:19,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698367430] [2024-11-28 03:03:19,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:19,308 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 03:03:19,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:19,310 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:19,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:19,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 03:03:19,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:21,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:03:21,633 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 125 treesize of output 89 [2024-11-28 03:03:21,638 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 135 treesize of output 75 [2024-11-28 03:03:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:03:21,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:22,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:22,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698367430] [2024-11-28 03:03:22,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698367430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:22,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2048741623] [2024-11-28 03:03:22,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:22,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:03:22,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:03:22,157 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:03:22,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-28 03:03:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:23,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:03:23,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:25,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:03:26,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:03:27,593 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 125 treesize of output 89 [2024-11-28 03:03:27,597 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 135 treesize of output 75 [2024-11-28 03:03:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:03:27,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:27,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2048741623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:27,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:03:27,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-11-28 03:03:27,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78663441] [2024-11-28 03:03:27,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:27,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:03:27,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:27,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:03:27,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:03:27,883 INFO L87 Difference]: Start difference. First operand 1040 states and 1344 transitions. Second operand has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 03:03:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:32,276 INFO L93 Difference]: Finished difference Result 2488 states and 3203 transitions. [2024-11-28 03:03:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:03:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 111 [2024-11-28 03:03:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:32,281 INFO L225 Difference]: With dead ends: 2488 [2024-11-28 03:03:32,281 INFO L226 Difference]: Without dead ends: 1618 [2024-11-28 03:03:32,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 257 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=357, Invalid=1283, Unknown=0, NotChecked=0, Total=1640 [2024-11-28 03:03:32,282 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 291 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:32,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1739 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 03:03:32,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2024-11-28 03:03:32,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1047. [2024-11-28 03:03:32,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 989 states have (on average 1.282103134479272) internal successors, (1268), 990 states have internal predecessors, (1268), 41 states have call successors, (41), 16 states have call predecessors, (41), 16 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-28 03:03:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1350 transitions. [2024-11-28 03:03:32,350 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1350 transitions. Word has length 111 [2024-11-28 03:03:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:32,351 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1350 transitions. [2024-11-28 03:03:32,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 5.3) internal successors, (106), 19 states have internal predecessors, (106), 4 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 03:03:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1350 transitions. [2024-11-28 03:03:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:03:32,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:32,352 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:32,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:32,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:03:32,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:03:32,753 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:32,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:32,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1260584338, now seen corresponding path program 1 times [2024-11-28 03:03:32,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:32,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824650106] [2024-11-28 03:03:32,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:32,754 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 03:03:32,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:32,756 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (31)] Waiting until timeout for monitored process [2024-11-28 03:03:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:33,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:03:33,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-28 03:03:33,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:03:33,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:33,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824650106] [2024-11-28 03:03:33,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824650106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:33,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:03:33,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:03:33,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758747716] [2024-11-28 03:03:33,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:33,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:03:33,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:33,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:03:33,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:03:33,232 INFO L87 Difference]: Start difference. First operand 1047 states and 1350 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:03:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:33,563 INFO L93 Difference]: Finished difference Result 1580 states and 2023 transitions. [2024-11-28 03:03:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:03:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 111 [2024-11-28 03:03:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:33,566 INFO L225 Difference]: With dead ends: 1580 [2024-11-28 03:03:33,567 INFO L226 Difference]: Without dead ends: 631 [2024-11-28 03:03:33,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:03:33,568 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:33,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:03:33,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-28 03:03:33,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 619. [2024-11-28 03:03:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 567 states have (on average 1.2486772486772486) internal successors, (708), 568 states have internal predecessors, (708), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:03:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 784 transitions. [2024-11-28 03:03:33,636 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 784 transitions. Word has length 111 [2024-11-28 03:03:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:33,637 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 784 transitions. [2024-11-28 03:03:33,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:03:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 784 transitions. [2024-11-28 03:03:33,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 03:03:33,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:33,638 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:33,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (31)] Ended with exit code 0 [2024-11-28 03:03:33,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:33,839 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:33,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:33,840 INFO L85 PathProgramCache]: Analyzing trace with hash 323251460, now seen corresponding path program 1 times [2024-11-28 03:03:33,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:33,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083378950] [2024-11-28 03:03:33,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:33,841 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 03:03:33,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:33,843 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:33,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (32)] Waiting until timeout for monitored process [2024-11-28 03:03:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:34,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:03:34,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:34,685 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 20 treesize of output 16 [2024-11-28 03:03:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 03:03:34,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:35,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:35,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083378950] [2024-11-28 03:03:35,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083378950] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:35,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:35,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2024-11-28 03:03:35,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675142414] [2024-11-28 03:03:35,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:35,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:03:35,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:35,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:03:35,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:03:35,394 INFO L87 Difference]: Start difference. First operand 619 states and 784 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:36,138 INFO L93 Difference]: Finished difference Result 1061 states and 1340 transitions. [2024-11-28 03:03:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:03:36,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 112 [2024-11-28 03:03:36,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:36,141 INFO L225 Difference]: With dead ends: 1061 [2024-11-28 03:03:36,141 INFO L226 Difference]: Without dead ends: 704 [2024-11-28 03:03:36,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:03:36,146 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 35 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:36,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 848 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:03:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-28 03:03:36,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 672. [2024-11-28 03:03:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 620 states have (on average 1.2483870967741935) internal successors, (774), 621 states have internal predecessors, (774), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:03:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 850 transitions. [2024-11-28 03:03:36,220 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 850 transitions. Word has length 112 [2024-11-28 03:03:36,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:36,220 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 850 transitions. [2024-11-28 03:03:36,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 850 transitions. [2024-11-28 03:03:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 03:03:36,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:36,222 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:36,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (32)] Ended with exit code 0 [2024-11-28 03:03:36,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:36,422 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:36,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash 685888299, now seen corresponding path program 1 times [2024-11-28 03:03:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:36,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36097544] [2024-11-28 03:03:36,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:36,423 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 03:03:36,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:36,425 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:36,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (33)] Waiting until timeout for monitored process [2024-11-28 03:03:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:36,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:03:36,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:37,533 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 03:03:37,704 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 31 treesize of output 19 [2024-11-28 03:03:37,708 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 03:03:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:03:37,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:37,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:37,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36097544] [2024-11-28 03:03:37,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36097544] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:37,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:37,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-28 03:03:37,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544878026] [2024-11-28 03:03:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:37,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:03:37,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:37,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:03:37,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:03:37,997 INFO L87 Difference]: Start difference. First operand 672 states and 850 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:38,534 INFO L93 Difference]: Finished difference Result 1224 states and 1525 transitions. [2024-11-28 03:03:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:03:38,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-11-28 03:03:38,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:38,538 INFO L225 Difference]: With dead ends: 1224 [2024-11-28 03:03:38,538 INFO L226 Difference]: Without dead ends: 820 [2024-11-28 03:03:38,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:03:38,539 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 53 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:38,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 331 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:03:38,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-28 03:03:38,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 684. [2024-11-28 03:03:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 632 states have (on average 1.2436708860759493) internal successors, (786), 633 states have internal predecessors, (786), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:03:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 862 transitions. [2024-11-28 03:03:38,605 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 862 transitions. Word has length 114 [2024-11-28 03:03:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:38,605 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 862 transitions. [2024-11-28 03:03:38,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:38,605 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 862 transitions. [2024-11-28 03:03:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 03:03:38,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:38,606 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:38,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (33)] Ended with exit code 0 [2024-11-28 03:03:38,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:38,807 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:38,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash -865537379, now seen corresponding path program 1 times [2024-11-28 03:03:38,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299881982] [2024-11-28 03:03:38,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:38,808 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 03:03:38,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:38,809 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (34)] Waiting until timeout for monitored process [2024-11-28 03:03:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:39,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:03:39,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:39,884 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 03:03:39,940 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 31 treesize of output 19 [2024-11-28 03:03:40,023 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 03:03:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:03:40,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:03:40,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:03:40,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299881982] [2024-11-28 03:03:40,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299881982] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:40,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:40,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:03:40,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411682915] [2024-11-28 03:03:40,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:40,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:03:40,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:03:40,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:03:40,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:03:40,335 INFO L87 Difference]: Start difference. First operand 684 states and 862 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:41,087 INFO L93 Difference]: Finished difference Result 1215 states and 1509 transitions. [2024-11-28 03:03:41,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:03:41,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2024-11-28 03:03:41,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:41,089 INFO L225 Difference]: With dead ends: 1215 [2024-11-28 03:03:41,089 INFO L226 Difference]: Without dead ends: 795 [2024-11-28 03:03:41,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:03:41,090 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 69 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:41,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 451 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:03:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-28 03:03:41,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 661. [2024-11-28 03:03:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 609 states have (on average 1.2380952380952381) internal successors, (754), 610 states have internal predecessors, (754), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:03:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2024-11-28 03:03:41,141 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 114 [2024-11-28 03:03:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:41,141 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2024-11-28 03:03:41,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:03:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2024-11-28 03:03:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:03:41,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:41,142 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:41,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (34)] Ended with exit code 0 [2024-11-28 03:03:41,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:41,347 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:41,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:41,347 INFO L85 PathProgramCache]: Analyzing trace with hash -396848117, now seen corresponding path program 1 times [2024-11-28 03:03:41,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:03:41,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905386502] [2024-11-28 03:03:41,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:41,348 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 03:03:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:03:41,350 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:03:41,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (35)] Waiting until timeout for monitored process [2024-11-28 03:03:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:41,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:03:41,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:44,113 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 102 treesize of output 82 [2024-11-28 03:03:44,123 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 72 treesize of output 60 [2024-11-28 03:04:05,542 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 41 treesize of output 29 [2024-11-28 03:04:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 140 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 03:04:06,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:08,227 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 51 treesize of output 43 [2024-11-28 03:04:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:04:08,388 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:08,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905386502] [2024-11-28 03:04:08,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905386502] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:08,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:08,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [22] total 29 [2024-11-28 03:04:08,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414165810] [2024-11-28 03:04:08,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:08,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:04:08,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:08,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:04:08,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=713, Unknown=3, NotChecked=0, Total=812 [2024-11-28 03:04:08,390 INFO L87 Difference]: Start difference. First operand 661 states and 830 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:13,545 INFO L93 Difference]: Finished difference Result 1272 states and 1552 transitions. [2024-11-28 03:04:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:04:13,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-28 03:04:13,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:13,548 INFO L225 Difference]: With dead ends: 1272 [2024-11-28 03:04:13,548 INFO L226 Difference]: Without dead ends: 875 [2024-11-28 03:04:13,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=120, Invalid=868, Unknown=4, NotChecked=0, Total=992 [2024-11-28 03:04:13,550 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 176 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:13,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 622 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:04:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-28 03:04:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 680. [2024-11-28 03:04:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 628 states have (on average 1.234076433121019) internal successors, (775), 629 states have internal predecessors, (775), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 851 transitions. [2024-11-28 03:04:13,605 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 851 transitions. Word has length 118 [2024-11-28 03:04:13,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:13,605 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 851 transitions. [2024-11-28 03:04:13,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 851 transitions. [2024-11-28 03:04:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:04:13,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:13,606 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:13,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (35)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:13,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:13,807 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:13,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:13,807 INFO L85 PathProgramCache]: Analyzing trace with hash 883015561, now seen corresponding path program 1 times [2024-11-28 03:04:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:13,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49781792] [2024-11-28 03:04:13,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:13,808 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 03:04:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:13,810 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:13,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (36)] Waiting until timeout for monitored process [2024-11-28 03:04:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:14,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:04:14,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:14,978 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 22 treesize of output 18 [2024-11-28 03:04:16,054 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 52 treesize of output 36 [2024-11-28 03:04:16,061 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 35 treesize of output 23 [2024-11-28 03:04:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:04:16,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:04:17,279 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49781792] [2024-11-28 03:04:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49781792] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:17,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:17,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28 [2024-11-28 03:04:17,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581321664] [2024-11-28 03:04:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:17,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:04:17,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:17,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:04:17,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:04:17,280 INFO L87 Difference]: Start difference. First operand 680 states and 851 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:19,456 INFO L93 Difference]: Finished difference Result 1295 states and 1590 transitions. [2024-11-28 03:04:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:04:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-28 03:04:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:19,459 INFO L225 Difference]: With dead ends: 1295 [2024-11-28 03:04:19,459 INFO L226 Difference]: Without dead ends: 879 [2024-11-28 03:04:19,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:04:19,461 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 418 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:19,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1016 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 03:04:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-28 03:04:19,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 683. [2024-11-28 03:04:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 631 states have (on average 1.2329635499207607) internal successors, (778), 632 states have internal predecessors, (778), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 854 transitions. [2024-11-28 03:04:19,526 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 854 transitions. Word has length 118 [2024-11-28 03:04:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:19,526 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 854 transitions. [2024-11-28 03:04:19,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 854 transitions. [2024-11-28 03:04:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:04:19,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:19,527 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:19,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (36)] Ended with exit code 0 [2024-11-28 03:04:19,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:19,727 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:19,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash -295897475, now seen corresponding path program 1 times [2024-11-28 03:04:19,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:19,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845569377] [2024-11-28 03:04:19,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:19,728 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 03:04:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:19,730 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:19,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (37)] Waiting until timeout for monitored process [2024-11-28 03:04:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:20,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:04:20,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:21,621 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 27 treesize of output 23 [2024-11-28 03:04:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 9 proven. 143 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 03:04:22,272 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:04:23,003 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:23,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845569377] [2024-11-28 03:04:23,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845569377] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:23,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:23,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-28 03:04:23,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823891990] [2024-11-28 03:04:23,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:23,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:04:23,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:23,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:04:23,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:04:23,005 INFO L87 Difference]: Start difference. First operand 683 states and 854 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:24,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:24,123 INFO L93 Difference]: Finished difference Result 1288 states and 1580 transitions. [2024-11-28 03:04:24,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:04:24,124 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-28 03:04:24,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:24,127 INFO L225 Difference]: With dead ends: 1288 [2024-11-28 03:04:24,127 INFO L226 Difference]: Without dead ends: 859 [2024-11-28 03:04:24,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=104, Invalid=598, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:04:24,128 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 200 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:24,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 703 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:04:24,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-28 03:04:24,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 697. [2024-11-28 03:04:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 645 states have (on average 1.2279069767441861) internal successors, (792), 646 states have internal predecessors, (792), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 868 transitions. [2024-11-28 03:04:24,185 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 868 transitions. Word has length 118 [2024-11-28 03:04:24,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:24,185 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 868 transitions. [2024-11-28 03:04:24,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 868 transitions. [2024-11-28 03:04:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:04:24,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:24,186 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:24,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (37)] Ended with exit code 0 [2024-11-28 03:04:24,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:24,387 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:24,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:24,387 INFO L85 PathProgramCache]: Analyzing trace with hash 213575615, now seen corresponding path program 1 times [2024-11-28 03:04:24,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:24,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632007445] [2024-11-28 03:04:24,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:24,388 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 03:04:24,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:24,389 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (38)] Waiting until timeout for monitored process [2024-11-28 03:04:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:24,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:04:24,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:25,682 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 22 treesize of output 18 [2024-11-28 03:04:26,952 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 51 treesize of output 35 [2024-11-28 03:04:26,962 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 34 treesize of output 22 [2024-11-28 03:04:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:04:27,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:04:28,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:28,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632007445] [2024-11-28 03:04:28,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632007445] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:28,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:28,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [18] total 28 [2024-11-28 03:04:28,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959421023] [2024-11-28 03:04:28,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:28,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:04:28,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:28,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:04:28,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:04:28,297 INFO L87 Difference]: Start difference. First operand 697 states and 868 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:30,202 INFO L93 Difference]: Finished difference Result 1226 states and 1517 transitions. [2024-11-28 03:04:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:04:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 118 [2024-11-28 03:04:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:30,206 INFO L225 Difference]: With dead ends: 1226 [2024-11-28 03:04:30,206 INFO L226 Difference]: Without dead ends: 793 [2024-11-28 03:04:30,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:04:30,208 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 287 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:30,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1142 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:04:30,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-28 03:04:30,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 711. [2024-11-28 03:04:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 659 states have (on average 1.2230652503793626) internal successors, (806), 660 states have internal predecessors, (806), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 882 transitions. [2024-11-28 03:04:30,275 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 882 transitions. Word has length 118 [2024-11-28 03:04:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:30,275 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 882 transitions. [2024-11-28 03:04:30,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 882 transitions. [2024-11-28 03:04:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 03:04:30,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:30,276 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:30,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (38)] Ended with exit code 0 [2024-11-28 03:04:30,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:30,477 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:30,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:30,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1128561225, now seen corresponding path program 1 times [2024-11-28 03:04:30,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:30,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036978978] [2024-11-28 03:04:30,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:30,478 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 03:04:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:30,479 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:30,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (39)] Waiting until timeout for monitored process [2024-11-28 03:04:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:30,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:04:30,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:31,518 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 03:04:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 158 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:04:32,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:32,883 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-28 03:04:32,883 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 23 treesize of output 22 [2024-11-28 03:04:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-28 03:04:33,111 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:33,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036978978] [2024-11-28 03:04:33,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036978978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:04:33,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:04:33,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-28 03:04:33,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756143396] [2024-11-28 03:04:33,111 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:33,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:04:33,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:33,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:04:33,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:04:33,112 INFO L87 Difference]: Start difference. First operand 711 states and 882 transitions. Second operand has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-28 03:04:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:35,248 INFO L93 Difference]: Finished difference Result 1178 states and 1454 transitions. [2024-11-28 03:04:35,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:04:35,249 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) Word has length 118 [2024-11-28 03:04:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:35,252 INFO L225 Difference]: With dead ends: 1178 [2024-11-28 03:04:35,252 INFO L226 Difference]: Without dead ends: 559 [2024-11-28 03:04:35,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:04:35,253 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 374 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:35,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 405 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:04:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-28 03:04:35,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2024-11-28 03:04:35,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 495 states have (on average 1.1919191919191918) internal successors, (590), 496 states have internal predecessors, (590), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 666 transitions. [2024-11-28 03:04:35,298 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 666 transitions. Word has length 118 [2024-11-28 03:04:35,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:35,298 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 666 transitions. [2024-11-28 03:04:35,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.090909090909092) internal successors, (89), 13 states have internal predecessors, (89), 5 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-28 03:04:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 666 transitions. [2024-11-28 03:04:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:04:35,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:35,299 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:04:35,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (39)] Ended with exit code 0 [2024-11-28 03:04:35,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:35,499 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:35,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:35,499 INFO L85 PathProgramCache]: Analyzing trace with hash -353519964, now seen corresponding path program 1 times [2024-11-28 03:04:35,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:35,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812977202] [2024-11-28 03:04:35,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:35,500 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 03:04:35,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:35,502 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:35,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (40)] Waiting until timeout for monitored process [2024-11-28 03:04:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:35,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:04:35,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:36,051 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 03:04:36,145 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 03:04:36,175 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 03:04:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 03:04:36,411 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:36,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:36,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812977202] [2024-11-28 03:04:36,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812977202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:36,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:36,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 03:04:36,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359634225] [2024-11-28 03:04:36,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:36,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:04:36,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:36,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:04:36,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:04:36,413 INFO L87 Difference]: Start difference. First operand 547 states and 666 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:38,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:38,111 INFO L93 Difference]: Finished difference Result 926 states and 1121 transitions. [2024-11-28 03:04:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:04:38,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 120 [2024-11-28 03:04:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:38,114 INFO L225 Difference]: With dead ends: 926 [2024-11-28 03:04:38,114 INFO L226 Difference]: Without dead ends: 600 [2024-11-28 03:04:38,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:04:38,115 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 152 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:38,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1111 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 03:04:38,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-28 03:04:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 560. [2024-11-28 03:04:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 508 states have (on average 1.1909448818897639) internal successors, (605), 509 states have internal predecessors, (605), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 681 transitions. [2024-11-28 03:04:38,169 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 681 transitions. Word has length 120 [2024-11-28 03:04:38,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:38,169 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 681 transitions. [2024-11-28 03:04:38,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 681 transitions. [2024-11-28 03:04:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 03:04:38,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:38,171 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:04:38,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (40)] Ended with exit code 0 [2024-11-28 03:04:38,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:38,371 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:38,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1885234402, now seen corresponding path program 1 times [2024-11-28 03:04:38,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:38,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415894074] [2024-11-28 03:04:38,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:38,372 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 03:04:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:38,374 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:38,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (41)] Waiting until timeout for monitored process [2024-11-28 03:04:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:38,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:04:38,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-28 03:04:39,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:39,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:39,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415894074] [2024-11-28 03:04:39,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415894074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:39,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:39,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:04:39,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717009332] [2024-11-28 03:04:39,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:39,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:04:39,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:39,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:04:39,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:04:39,035 INFO L87 Difference]: Start difference. First operand 560 states and 681 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:39,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:39,168 INFO L93 Difference]: Finished difference Result 1104 states and 1318 transitions. [2024-11-28 03:04:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:04:39,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 209 [2024-11-28 03:04:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:39,172 INFO L225 Difference]: With dead ends: 1104 [2024-11-28 03:04:39,172 INFO L226 Difference]: Without dead ends: 636 [2024-11-28 03:04:39,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 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 03:04:39,174 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 53 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:39,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 275 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:04:39,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-28 03:04:39,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 527. [2024-11-28 03:04:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 475 states have (on average 1.1557894736842105) internal successors, (549), 476 states have internal predecessors, (549), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 625 transitions. [2024-11-28 03:04:39,254 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 625 transitions. Word has length 209 [2024-11-28 03:04:39,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:39,254 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 625 transitions. [2024-11-28 03:04:39,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 625 transitions. [2024-11-28 03:04:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 03:04:39,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:39,256 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:04:39,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (41)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:39,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:39,456 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:39,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:39,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1511781689, now seen corresponding path program 1 times [2024-11-28 03:04:39,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:39,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640733047] [2024-11-28 03:04:39,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:39,457 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 03:04:39,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:39,459 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:39,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (42)] Waiting until timeout for monitored process [2024-11-28 03:04:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:40,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:04:40,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2024-11-28 03:04:40,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:40,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:40,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640733047] [2024-11-28 03:04:40,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640733047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:40,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:40,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:04:40,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405104664] [2024-11-28 03:04:40,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:40,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:04:40,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:40,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:04:40,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:04:40,157 INFO L87 Difference]: Start difference. First operand 527 states and 625 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:40,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:40,276 INFO L93 Difference]: Finished difference Result 1071 states and 1250 transitions. [2024-11-28 03:04:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:04:40,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-28 03:04:40,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:40,279 INFO L225 Difference]: With dead ends: 1071 [2024-11-28 03:04:40,279 INFO L226 Difference]: Without dead ends: 633 [2024-11-28 03:04:40,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 03:04:40,281 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 52 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:40,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 226 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:04:40,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-28 03:04:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 489. [2024-11-28 03:04:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 437 states have (on average 1.1235697940503433) internal successors, (491), 438 states have internal predecessors, (491), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 567 transitions. [2024-11-28 03:04:40,359 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 567 transitions. Word has length 213 [2024-11-28 03:04:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:40,359 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 567 transitions. [2024-11-28 03:04:40,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 567 transitions. [2024-11-28 03:04:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-28 03:04:40,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:40,361 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:04:40,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (42)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:40,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:40,562 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:40,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:40,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1573821303, now seen corresponding path program 1 times [2024-11-28 03:04:40,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:40,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294683275] [2024-11-28 03:04:40,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:40,563 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 03:04:40,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:40,565 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:40,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (43)] Waiting until timeout for monitored process [2024-11-28 03:04:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:41,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 03:04:41,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:47,006 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 42 treesize of output 30 [2024-11-28 03:04:47,015 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 20 [2024-11-28 03:04:47,027 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 33 treesize of output 21 [2024-11-28 03:04:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 12 proven. 700 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-28 03:04:47,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-11-28 03:04:47,941 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:47,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294683275] [2024-11-28 03:04:47,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294683275] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:47,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:47,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-28 03:04:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578442808] [2024-11-28 03:04:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:47,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:47,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:47,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:04:47,942 INFO L87 Difference]: Start difference. First operand 489 states and 567 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:48,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:48,715 INFO L93 Difference]: Finished difference Result 966 states and 1105 transitions. [2024-11-28 03:04:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:04:48,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 213 [2024-11-28 03:04:48,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:48,718 INFO L225 Difference]: With dead ends: 966 [2024-11-28 03:04:48,718 INFO L226 Difference]: Without dead ends: 531 [2024-11-28 03:04:48,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:04:48,718 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 51 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:48,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 440 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:04:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-28 03:04:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 433. [2024-11-28 03:04:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 381 states have (on average 1.1023622047244095) internal successors, (420), 382 states have internal predecessors, (420), 38 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:04:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 496 transitions. [2024-11-28 03:04:48,763 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 496 transitions. Word has length 213 [2024-11-28 03:04:48,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:48,763 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 496 transitions. [2024-11-28 03:04:48,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 496 transitions. [2024-11-28 03:04:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-28 03:04:48,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:48,765 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:04:48,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (43)] Ended with exit code 0 [2024-11-28 03:04:48,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:48,966 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:48,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:48,966 INFO L85 PathProgramCache]: Analyzing trace with hash 759090846, now seen corresponding path program 1 times [2024-11-28 03:04:48,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:48,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822078265] [2024-11-28 03:04:48,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:48,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:04:48,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:48,971 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:48,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (44)] Waiting until timeout for monitored process [2024-11-28 03:04:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:49,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:04:49,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:49,687 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 11 treesize of output 7 [2024-11-28 03:04:49,743 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 15 treesize of output 7 [2024-11-28 03:04:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2024-11-28 03:04:49,887 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:49,887 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:49,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822078265] [2024-11-28 03:04:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822078265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:49,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:49,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:04:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339476466] [2024-11-28 03:04:49,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:49,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:04:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:49,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:04:49,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:04:49,889 INFO L87 Difference]: Start difference. First operand 433 states and 496 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:50,400 INFO L93 Difference]: Finished difference Result 716 states and 812 transitions. [2024-11-28 03:04:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:04:50,401 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 216 [2024-11-28 03:04:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:50,402 INFO L225 Difference]: With dead ends: 716 [2024-11-28 03:04:50,402 INFO L226 Difference]: Without dead ends: 445 [2024-11-28 03:04:50,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:04:50,403 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 21 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:50,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 957 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:50,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-28 03:04:50,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 324. [2024-11-28 03:04:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0902777777777777) internal successors, (314), 289 states have internal predecessors, (314), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:04:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2024-11-28 03:04:50,455 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 216 [2024-11-28 03:04:50,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:50,455 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2024-11-28 03:04:50,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2024-11-28 03:04:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 03:04:50,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:50,456 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:50,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (44)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:50,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:50,656 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:50,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:50,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1892708642, now seen corresponding path program 1 times [2024-11-28 03:04:50,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:50,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815420791] [2024-11-28 03:04:50,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:50,658 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 03:04:50,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:50,659 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:50,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (45)] Waiting until timeout for monitored process [2024-11-28 03:04:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:51,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:04:51,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:51,446 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 11 treesize of output 7 [2024-11-28 03:04:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-28 03:04:51,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:51,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:51,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815420791] [2024-11-28 03:04:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815420791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:51,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 03:04:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831985390] [2024-11-28 03:04:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:51,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:04:51,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:51,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:04:51,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:04:51,704 INFO L87 Difference]: Start difference. First operand 324 states and 366 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:52,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:52,405 INFO L93 Difference]: Finished difference Result 715 states and 819 transitions. [2024-11-28 03:04:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:04:52,406 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-28 03:04:52,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:52,408 INFO L225 Difference]: With dead ends: 715 [2024-11-28 03:04:52,408 INFO L226 Difference]: Without dead ends: 445 [2024-11-28 03:04:52,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:04:52,409 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 94 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:52,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1628 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:04:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-28 03:04:52,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 324. [2024-11-28 03:04:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0902777777777777) internal successors, (314), 289 states have internal predecessors, (314), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:04:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 366 transitions. [2024-11-28 03:04:52,451 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 366 transitions. Word has length 226 [2024-11-28 03:04:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:52,452 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 366 transitions. [2024-11-28 03:04:52,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 366 transitions. [2024-11-28 03:04:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 03:04:52,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:52,453 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:52,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (45)] Ended with exit code 0 [2024-11-28 03:04:52,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:52,654 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:52,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash -612844964, now seen corresponding path program 1 times [2024-11-28 03:04:52,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:52,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750606676] [2024-11-28 03:04:52,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:52,655 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 03:04:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:52,657 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:52,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (46)] Waiting until timeout for monitored process [2024-11-28 03:04:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:53,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:04:53,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:55,259 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 03:04:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 644 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 03:04:55,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-28 03:04:55,684 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:55,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750606676] [2024-11-28 03:04:55,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750606676] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:55,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:55,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-28 03:04:55,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595107251] [2024-11-28 03:04:55,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:55,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:55,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:55,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:55,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:04:55,686 INFO L87 Difference]: Start difference. First operand 324 states and 366 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:56,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:56,066 INFO L93 Difference]: Finished difference Result 610 states and 684 transitions. [2024-11-28 03:04:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:04:56,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-28 03:04:56,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:56,069 INFO L225 Difference]: With dead ends: 610 [2024-11-28 03:04:56,069 INFO L226 Difference]: Without dead ends: 340 [2024-11-28 03:04:56,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:04:56,070 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 17 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:56,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 463 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:56,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-28 03:04:56,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-28 03:04:56,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 288 states have (on average 1.0868055555555556) internal successors, (313), 289 states have internal predecessors, (313), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:04:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 365 transitions. [2024-11-28 03:04:56,127 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 365 transitions. Word has length 226 [2024-11-28 03:04:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:56,127 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 365 transitions. [2024-11-28 03:04:56,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 365 transitions. [2024-11-28 03:04:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 03:04:56,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:56,129 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:56,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (46)] Ended with exit code 0 [2024-11-28 03:04:56,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:56,329 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:56,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:56,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1915340896, now seen corresponding path program 1 times [2024-11-28 03:04:56,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:04:56,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565124873] [2024-11-28 03:04:56,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:56,331 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 03:04:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:04:56,334 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:56,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (47)] Waiting until timeout for monitored process [2024-11-28 03:04:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:57,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:04:57,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:58,804 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 03:04:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 644 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 03:04:58,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-28 03:04:59,236 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:04:59,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565124873] [2024-11-28 03:04:59,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565124873] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:59,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:59,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-28 03:04:59,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288785763] [2024-11-28 03:04:59,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:59,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:04:59,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:59,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:04:59,238 INFO L87 Difference]: Start difference. First operand 324 states and 365 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:59,494 INFO L93 Difference]: Finished difference Result 595 states and 666 transitions. [2024-11-28 03:04:59,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:04:59,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 226 [2024-11-28 03:04:59,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:59,495 INFO L225 Difference]: With dead ends: 595 [2024-11-28 03:04:59,495 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:04:59,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:04:59,496 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:59,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 430 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:04:59,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:04:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:04:59,497 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 03:04:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:04:59,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2024-11-28 03:04:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:59,497 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:04:59,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:04:59,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:04:59,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:04:59,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 (47)] Ended with exit code 0 [2024-11-28 03:04:59,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8ce89e5-b7a0-492b-97bc-6c0ed5d1f9d8/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 03:04:59,703 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:59,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:06:07,808 WARN L286 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 280 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:07:25,435 WARN L286 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:08:40,026 WARN L286 SmtUtils]: Spent 1.23m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:09:53,848 WARN L286 SmtUtils]: Spent 1.22m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:11:23,578 WARN L286 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 233 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:12:51,334 WARN L286 SmtUtils]: Spent 1.42m on a formula simplification. DAG size of input: 280 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:14:09,336 WARN L286 SmtUtils]: Spent 1.30m on a formula simplification. DAG size of input: 252 DAG size of output: 307 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 03:15:16,981 WARN L286 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 252 DAG size of output: 307 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)