./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.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_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/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_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/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_e248196d-b425-455d-ac8b-558e29f6edae/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 d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:24:16,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:24:16,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:24:16,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:24:16,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:24:16,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:24:16,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:24:16,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:24:16,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:24:16,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:24:16,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:24:16,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:24:16,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:24:16,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:24:16,783 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:24:16,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:24:16,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:24:16,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:24:16,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:24:16,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:24:16,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:24:16,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:24:16,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:24:16,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:24:16,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:24:16,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:24:16,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:16,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:16,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:16,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:24:16,787 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:24:16,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:24:16,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:24:16,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:24:16,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:24:16,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:24:16,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:24:16,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:24:16,789 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_e248196d-b425-455d-ac8b-558e29f6edae/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 -> d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 [2024-11-27 23:24:17,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:24:17,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:24:17,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:24:17,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:24:17,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:24:17,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:21,028 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/1511332e3/cfa9b40846da44b8a24eca8639cfa416/FLAGa252918f7 [2024-11-27 23:24:21,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:24:21,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:21,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/1511332e3/cfa9b40846da44b8a24eca8639cfa416/FLAGa252918f7 [2024-11-27 23:24:21,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/1511332e3/cfa9b40846da44b8a24eca8639cfa416 [2024-11-27 23:24:21,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:24:21,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:24:21,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:21,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:24:21,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:24:21,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3fd03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:21, skipping insertion in model container [2024-11-27 23:24:21,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:21" (1/1) ... [2024-11-27 23:24:21,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:24:21,750 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_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-27 23:24:21,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:21,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:24:21,915 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_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-27 23:24:21,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:22,023 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:24:22,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22 WrapperNode [2024-11-27 23:24:22,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:22,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:22,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:24:22,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:24:22,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,132 INFO L138 Inliner]: procedures = 29, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 615 [2024-11-27 23:24:22,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:22,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:24:22,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:24:22,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:24:22,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,212 INFO L175 MemorySlicer]: Split 152 memory accesses to 16 slices as follows [2, 5, 8, 8, 22, 20, 12, 5, 14, 14, 3, 5, 8, 6, 3, 17]. 14 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1]. [2024-11-27 23:24:22,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,262 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:24:22,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:24:22,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:24:22,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:24:22,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (1/1) ... [2024-11-27 23:24:22,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:22,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:22,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:24:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:24:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:24:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:24:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:24:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:24:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:24:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:24:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:24:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:24:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:24:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:24:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:24:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-27 23:24:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-27 23:24:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-27 23:24:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-27 23:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-27 23:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-27 23:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-27 23:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-27 23:24:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-27 23:24:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:24:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-27 23:24:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-27 23:24:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:24:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:24:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:24:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:24:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:24:22,771 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:24:22,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:24:23,819 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-27 23:24:23,819 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:24:23,837 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:24:23,837 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:24:23,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:23 BoogieIcfgContainer [2024-11-27 23:24:23,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:24:23,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:24:23,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:24:23,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:24:23,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:24:21" (1/3) ... [2024-11-27 23:24:23,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d827cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:23, skipping insertion in model container [2024-11-27 23:24:23,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:22" (2/3) ... [2024-11-27 23:24:23,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d827cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:23, skipping insertion in model container [2024-11-27 23:24:23,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:23" (3/3) ... [2024-11-27 23:24:23,855 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:23,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:24:23,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-28.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:24:23,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:24:23,991 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;@36b63544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:24:23,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:24:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:24:24,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:24,016 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:24,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:24,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2024573085, now seen corresponding path program 1 times [2024-11-27 23:24:24,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:24,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326246229] [2024-11-27 23:24:24,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-27 23:24:24,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:24,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326246229] [2024-11-27 23:24:24,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326246229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:24,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353660196] [2024-11-27 23:24:24,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:24,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:24,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:24,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:24,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:24:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:25,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:24:25,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-27 23:24:25,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:24:25,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353660196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:25,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:24:25,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:24:25,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340531184] [2024-11-27 23:24:25,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:25,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:24:25,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:25,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:24:25,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:24:25,188 INFO L87 Difference]: Start difference. First operand has 123 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:25,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:25,230 INFO L93 Difference]: Finished difference Result 239 states and 368 transitions. [2024-11-27 23:24:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:24:25,234 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-27 23:24:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:25,246 INFO L225 Difference]: With dead ends: 239 [2024-11-27 23:24:25,247 INFO L226 Difference]: Without dead ends: 119 [2024-11-27 23:24:25,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:24:25,255 INFO L435 NwaCegarLoop]: 171 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, 171 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 [2024-11-27 23:24:25,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-27 23:24:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-27 23:24:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3883495145631068) internal successors, (143), 103 states have internal predecessors, (143), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-27 23:24:25,310 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 130 [2024-11-27 23:24:25,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:25,310 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-27 23:24:25,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-27 23:24:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:24:25,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:25,317 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:25,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:24:25,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:24:25,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:25,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1411602097, now seen corresponding path program 1 times [2024-11-27 23:24:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205059757] [2024-11-27 23:24:25,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:26,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205059757] [2024-11-27 23:24:26,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205059757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:26,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:26,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689192048] [2024-11-27 23:24:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:26,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:26,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:26,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:26,201 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:26,275 INFO L93 Difference]: Finished difference Result 238 states and 343 transitions. [2024-11-27 23:24:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:26,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-27 23:24:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:26,277 INFO L225 Difference]: With dead ends: 238 [2024-11-27 23:24:26,278 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 23:24:26,278 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 [2024-11-27 23:24:26,279 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 493 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 [2024-11-27 23:24:26,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 493 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:26,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 23:24:26,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-27 23:24:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-11-27 23:24:26,304 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 130 [2024-11-27 23:24:26,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:26,305 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-11-27 23:24:26,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-11-27 23:24:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:24:26,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:26,312 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:26,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:24:26,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:26,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1108357837, now seen corresponding path program 1 times [2024-11-27 23:24:26,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:26,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996970930] [2024-11-27 23:24:26,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:26,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996970930] [2024-11-27 23:24:26,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996970930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:26,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:26,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:24:26,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960236890] [2024-11-27 23:24:26,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:26,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:24:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:26,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:24:26,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:24:26,698 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:26,737 INFO L93 Difference]: Finished difference Result 242 states and 347 transitions. [2024-11-27 23:24:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:24:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-27 23:24:26,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:26,740 INFO L225 Difference]: With dead ends: 242 [2024-11-27 23:24:26,740 INFO L226 Difference]: Without dead ends: 124 [2024-11-27 23:24:26,742 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 [2024-11-27 23:24:26,743 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 496 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 [2024-11-27 23:24:26,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:26,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-27 23:24:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-11-27 23:24:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-11-27 23:24:26,754 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 130 [2024-11-27 23:24:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:26,755 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-11-27 23:24:26,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-11-27 23:24:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:24:26,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:26,758 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:26,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:24:26,758 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:26,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:26,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1106510795, now seen corresponding path program 1 times [2024-11-27 23:24:26,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:26,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352716369] [2024-11-27 23:24:26,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:27,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:27,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352716369] [2024-11-27 23:24:27,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352716369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:27,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:27,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:27,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444229008] [2024-11-27 23:24:27,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:27,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:27,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:27,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:27,480 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:27,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:27,697 INFO L93 Difference]: Finished difference Result 321 states and 455 transitions. [2024-11-27 23:24:27,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:24:27,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-27 23:24:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:27,700 INFO L225 Difference]: With dead ends: 321 [2024-11-27 23:24:27,701 INFO L226 Difference]: Without dead ends: 201 [2024-11-27 23:24:27,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:24:27,706 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 94 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:27,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 682 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:24:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-27 23:24:27,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2024-11-27 23:24:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 179 states have (on average 1.3854748603351956) internal successors, (248), 180 states have internal predecessors, (248), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:24:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 280 transitions. [2024-11-27 23:24:27,738 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 280 transitions. Word has length 130 [2024-11-27 23:24:27,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:27,739 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 280 transitions. [2024-11-27 23:24:27,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2024-11-27 23:24:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:24:27,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:27,743 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:27,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:24:27,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash -621672985, now seen corresponding path program 1 times [2024-11-27 23:24:27,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:27,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220689930] [2024-11-27 23:24:27,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:28,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220689930] [2024-11-27 23:24:28,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220689930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:28,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:28,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:28,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733075578] [2024-11-27 23:24:28,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:28,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:28,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:28,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:28,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:28,184 INFO L87 Difference]: Start difference. First operand 198 states and 280 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:28,246 INFO L93 Difference]: Finished difference Result 399 states and 565 transitions. [2024-11-27 23:24:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:24:28,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-27 23:24:28,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:28,253 INFO L225 Difference]: With dead ends: 399 [2024-11-27 23:24:28,253 INFO L226 Difference]: Without dead ends: 204 [2024-11-27 23:24:28,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:28,257 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:28,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 655 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:28,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-27 23:24:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-27 23:24:28,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.372972972972973) internal successors, (254), 186 states have internal predecessors, (254), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:24:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 286 transitions. [2024-11-27 23:24:28,287 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 286 transitions. Word has length 132 [2024-11-27 23:24:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:28,287 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 286 transitions. [2024-11-27 23:24:28,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 286 transitions. [2024-11-27 23:24:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:24:28,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:28,293 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:28,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:24:28,293 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:28,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash 611425744, now seen corresponding path program 1 times [2024-11-27 23:24:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009612518] [2024-11-27 23:24:28,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:29,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:29,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009612518] [2024-11-27 23:24:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009612518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:29,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:29,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:24:29,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779917341] [2024-11-27 23:24:29,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:24:29,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:29,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:24:29,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:24:29,035 INFO L87 Difference]: Start difference. First operand 204 states and 286 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:29,560 INFO L93 Difference]: Finished difference Result 737 states and 1027 transitions. [2024-11-27 23:24:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:24:29,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-27 23:24:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:29,566 INFO L225 Difference]: With dead ends: 737 [2024-11-27 23:24:29,567 INFO L226 Difference]: Without dead ends: 536 [2024-11-27 23:24:29,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:24:29,568 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 285 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:29,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 907 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:24:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-27 23:24:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 387. [2024-11-27 23:24:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 360 states have (on average 1.3888888888888888) internal successors, (500), 363 states have internal predecessors, (500), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:24:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 544 transitions. [2024-11-27 23:24:29,607 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 544 transitions. Word has length 132 [2024-11-27 23:24:29,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:29,607 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 544 transitions. [2024-11-27 23:24:29,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 544 transitions. [2024-11-27 23:24:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:24:29,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:29,614 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:29,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:24:29,614 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:29,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:29,615 INFO L85 PathProgramCache]: Analyzing trace with hash -409642610, now seen corresponding path program 1 times [2024-11-27 23:24:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:29,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683640367] [2024-11-27 23:24:29,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:30,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:30,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683640367] [2024-11-27 23:24:30,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683640367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:30,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:30,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:24:30,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624824590] [2024-11-27 23:24:30,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:30,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:24:30,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:30,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:24:30,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:24:30,130 INFO L87 Difference]: Start difference. First operand 387 states and 544 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:30,372 INFO L93 Difference]: Finished difference Result 801 states and 1122 transitions. [2024-11-27 23:24:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:24:30,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-27 23:24:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:30,377 INFO L225 Difference]: With dead ends: 801 [2024-11-27 23:24:30,377 INFO L226 Difference]: Without dead ends: 417 [2024-11-27 23:24:30,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:24:30,383 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 115 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:30,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 583 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:24:30,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-27 23:24:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 414. [2024-11-27 23:24:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 381 states have (on average 1.3779527559055118) internal successors, (525), 385 states have internal predecessors, (525), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:24:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 577 transitions. [2024-11-27 23:24:30,431 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 577 transitions. Word has length 132 [2024-11-27 23:24:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:30,432 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 577 transitions. [2024-11-27 23:24:30,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 577 transitions. [2024-11-27 23:24:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:30,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:30,436 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:30,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:24:30,436 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:30,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1343844821, now seen corresponding path program 1 times [2024-11-27 23:24:30,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:30,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196959457] [2024-11-27 23:24:30,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:30,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:31,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:31,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196959457] [2024-11-27 23:24:31,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196959457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:31,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:31,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:24:31,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229932788] [2024-11-27 23:24:31,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:31,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:24:31,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:31,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:24:31,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:24:31,655 INFO L87 Difference]: Start difference. First operand 414 states and 577 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:32,443 INFO L93 Difference]: Finished difference Result 845 states and 1181 transitions. [2024-11-27 23:24:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:24:32,444 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-27 23:24:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:32,447 INFO L225 Difference]: With dead ends: 845 [2024-11-27 23:24:32,448 INFO L226 Difference]: Without dead ends: 461 [2024-11-27 23:24:32,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:24:32,449 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 572 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:32,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 919 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:24:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-27 23:24:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 448. [2024-11-27 23:24:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 404 states have (on average 1.3613861386138615) internal successors, (550), 408 states have internal predecessors, (550), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 23:24:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 622 transitions. [2024-11-27 23:24:32,502 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 622 transitions. Word has length 134 [2024-11-27 23:24:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:32,503 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 622 transitions. [2024-11-27 23:24:32,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 622 transitions. [2024-11-27 23:24:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:32,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:32,505 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:32,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:24:32,506 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:32,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:32,507 INFO L85 PathProgramCache]: Analyzing trace with hash 2133474025, now seen corresponding path program 1 times [2024-11-27 23:24:32,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:32,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144932217] [2024-11-27 23:24:32,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:32,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:33,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144932217] [2024-11-27 23:24:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144932217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106975666] [2024-11-27 23:24:33,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:33,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:33,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:33,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:33,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:24:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:34,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 23:24:34,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:34,355 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 [2024-11-27 23:24:34,750 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 [2024-11-27 23:24:34,870 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 [2024-11-27 23:24:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:24:34,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:35,561 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 28 [2024-11-27 23:24:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106975666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:35,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-27 23:24:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403255045] [2024-11-27 23:24:35,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:24:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:35,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:24:35,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:24:35,665 INFO L87 Difference]: Start difference. First operand 448 states and 622 transitions. Second operand has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-27 23:24:37,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:37,352 INFO L93 Difference]: Finished difference Result 880 states and 1215 transitions. [2024-11-27 23:24:37,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:24:37,353 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) Word has length 134 [2024-11-27 23:24:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:37,356 INFO L225 Difference]: With dead ends: 880 [2024-11-27 23:24:37,357 INFO L226 Difference]: Without dead ends: 462 [2024-11-27 23:24:37,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 256 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=282, Invalid=1358, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 23:24:37,364 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 839 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:37,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 2116 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:24:37,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-27 23:24:37,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 399. [2024-11-27 23:24:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 354 states have (on average 1.344632768361582) internal successors, (476), 357 states have internal predecessors, (476), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-27 23:24:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 544 transitions. [2024-11-27 23:24:37,436 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 544 transitions. Word has length 134 [2024-11-27 23:24:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:37,437 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 544 transitions. [2024-11-27 23:24:37,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-27 23:24:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 544 transitions. [2024-11-27 23:24:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:37,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:37,440 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:37,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:24:37,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:37,644 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:37,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:37,645 INFO L85 PathProgramCache]: Analyzing trace with hash -921570199, now seen corresponding path program 1 times [2024-11-27 23:24:37,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:37,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989691268] [2024-11-27 23:24:37,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:37,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:38,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:38,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989691268] [2024-11-27 23:24:38,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989691268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:38,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404802120] [2024-11-27 23:24:38,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:38,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:38,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:38,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:24:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:39,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:24:39,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:39,283 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 [2024-11-27 23:24:39,897 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 [2024-11-27 23:24:39,903 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 [2024-11-27 23:24:39,909 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 [2024-11-27 23:24:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:24:39,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:40,088 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 [2024-11-27 23:24:40,384 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 23 treesize of output 15 [2024-11-27 23:24:40,717 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 28 [2024-11-27 23:24:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404802120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:40,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:40,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-11-27 23:24:40,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525517980] [2024-11-27 23:24:40,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:40,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-27 23:24:40,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:40,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-27 23:24:40,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1092, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 23:24:40,808 INFO L87 Difference]: Start difference. First operand 399 states and 544 transitions. Second operand has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) [2024-11-27 23:24:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:42,943 INFO L93 Difference]: Finished difference Result 901 states and 1228 transitions. [2024-11-27 23:24:42,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 23:24:42,944 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) Word has length 134 [2024-11-27 23:24:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:42,947 INFO L225 Difference]: With dead ends: 901 [2024-11-27 23:24:42,947 INFO L226 Difference]: Without dead ends: 536 [2024-11-27 23:24:42,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=610, Invalid=3296, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 23:24:42,951 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 1807 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:42,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 2104 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:24:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-27 23:24:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 399. [2024-11-27 23:24:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 354 states have (on average 1.344632768361582) internal successors, (476), 357 states have internal predecessors, (476), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-27 23:24:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 544 transitions. [2024-11-27 23:24:42,984 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 544 transitions. Word has length 134 [2024-11-27 23:24:42,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:42,985 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 544 transitions. [2024-11-27 23:24:42,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) [2024-11-27 23:24:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 544 transitions. [2024-11-27 23:24:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:42,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:42,989 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:42,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:24:43,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 23:24:43,190 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:43,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:43,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1942638553, now seen corresponding path program 1 times [2024-11-27 23:24:43,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:43,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901598995] [2024-11-27 23:24:43,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:44,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:44,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901598995] [2024-11-27 23:24:44,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901598995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:44,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914043058] [2024-11-27 23:24:44,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:24:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:44,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:24:44,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:24:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:44,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:24:44,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:44,501 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 [2024-11-27 23:24:44,745 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 [2024-11-27 23:24:44,795 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 [2024-11-27 23:24:44,830 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 [2024-11-27 23:24:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:24:44,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:44,903 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 [2024-11-27 23:24:45,294 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 28 [2024-11-27 23:24:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:24:45,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914043058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:45,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:45,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-27 23:24:45,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535037654] [2024-11-27 23:24:45,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:45,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 23:24:45,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:45,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 23:24:45,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:24:45,363 INFO L87 Difference]: Start difference. First operand 399 states and 544 transitions. Second operand has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-27 23:24:46,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:46,688 INFO L93 Difference]: Finished difference Result 762 states and 1044 transitions. [2024-11-27 23:24:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:24:46,689 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) Word has length 134 [2024-11-27 23:24:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:46,692 INFO L225 Difference]: With dead ends: 762 [2024-11-27 23:24:46,693 INFO L226 Difference]: Without dead ends: 397 [2024-11-27 23:24:46,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 256 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=276, Invalid=1364, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 23:24:46,695 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 823 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:46,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2183 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:24:46,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-27 23:24:46,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 395. [2024-11-27 23:24:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 350 states have (on average 1.3428571428571427) internal successors, (470), 353 states have internal predecessors, (470), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-27 23:24:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 538 transitions. [2024-11-27 23:24:46,733 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 538 transitions. Word has length 134 [2024-11-27 23:24:46,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:46,733 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 538 transitions. [2024-11-27 23:24:46,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-27 23:24:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 538 transitions. [2024-11-27 23:24:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:46,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:46,736 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:46,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:24:46,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:24:46,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:46,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash 260194645, now seen corresponding path program 1 times [2024-11-27 23:24:46,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:46,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683953562] [2024-11-27 23:24:46,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:24:47,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:24:47,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683953562] [2024-11-27 23:24:47,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683953562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:47,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:47,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:24:47,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152323559] [2024-11-27 23:24:47,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:47,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:24:47,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:47,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:24:47,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:24:47,173 INFO L87 Difference]: Start difference. First operand 395 states and 538 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:47,209 INFO L93 Difference]: Finished difference Result 756 states and 1035 transitions. [2024-11-27 23:24:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:24:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-27 23:24:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:47,213 INFO L225 Difference]: With dead ends: 756 [2024-11-27 23:24:47,213 INFO L226 Difference]: Without dead ends: 395 [2024-11-27 23:24:47,214 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 [2024-11-27 23:24:47,215 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:24:47,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:47,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-27 23:24:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-27 23:24:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 350 states have (on average 1.3371428571428572) internal successors, (468), 353 states have internal predecessors, (468), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-27 23:24:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 536 transitions. [2024-11-27 23:24:47,245 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 536 transitions. Word has length 134 [2024-11-27 23:24:47,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:47,246 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 536 transitions. [2024-11-27 23:24:47,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:24:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 536 transitions. [2024-11-27 23:24:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:24:47,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:47,248 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:47,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:24:47,248 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:47,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:47,249 INFO L85 PathProgramCache]: Analyzing trace with hash -557453805, now seen corresponding path program 1 times [2024-11-27 23:24:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:24:47,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818259449] [2024-11-27 23:24:47,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:47,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:24:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:47,310 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:24:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:24:47,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:24:47,533 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:24:47,534 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:24:47,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:24:47,540 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:47,839 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:24:47,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:24:47 BoogieIcfgContainer [2024-11-27 23:24:47,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:24:47,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:24:47,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:24:47,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:24:47,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:23" (3/4) ... [2024-11-27 23:24:47,851 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:24:47,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:24:47,854 INFO L158 Benchmark]: Toolchain (without parser) took 26373.69ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 92.3MB in the beginning and 125.3MB in the end (delta: -33.1MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2024-11-27 23:24:47,854 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:24:47,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.00ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:24:47,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.41ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:24:47,855 INFO L158 Benchmark]: Boogie Preprocessor took 171.58ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 68.8MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:24:47,856 INFO L158 Benchmark]: RCFGBuilder took 1532.20ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 77.2MB in the end (delta: -8.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-27 23:24:47,859 INFO L158 Benchmark]: TraceAbstraction took 24003.83ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 76.6MB in the beginning and 125.4MB in the end (delta: -48.7MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2024-11-27 23:24:47,860 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 276.8MB. Free memory was 125.4MB in the beginning and 125.3MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:24:47,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.00ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 77.5MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.41ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 171.58ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 68.8MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1532.20ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 77.2MB in the end (delta: -8.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24003.83ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 76.6MB in the beginning and 125.4MB in the end (delta: -48.7MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 276.8MB. Free memory was 125.4MB in the beginning and 125.3MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L22] signed char var_1_1 = 1; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] float var_1_2 = 63.75; [L24] float var_1_2 = 63.75; [L25] float* var_1_2_Pointer = &(var_1_2); [L26] float var_1_3 = 255.75; [L26] float var_1_3 = 255.75; [L27] float* var_1_3_Pointer = &(var_1_3); [L28] signed char var_1_5 = 10; [L28] signed char var_1_5 = 10; [L29] signed char* var_1_5_Pointer = &(var_1_5); [L30] signed char var_1_6 = 4; [L30] signed char var_1_6 = 4; [L31] signed char* var_1_6_Pointer = &(var_1_6); [L32] signed char var_1_7 = -10; [L32] signed char var_1_7 = -10; [L33] signed char* var_1_7_Pointer = &(var_1_7); [L34] float var_1_8 = 4.75; [L34] float var_1_8 = 4.75; [L35] float* var_1_8_Pointer = &(var_1_8); [L36] float var_1_9 = 99.5; [L36] float var_1_9 = 99.5; [L37] float* var_1_9_Pointer = &(var_1_9); [L38] float var_1_10 = 255.9; [L38] float var_1_10 = 255.9; [L39] float* var_1_10_Pointer = &(var_1_10); [L40] float var_1_11 = 24.85; [L40] float var_1_11 = 24.85; [L41] float* var_1_11_Pointer = &(var_1_11); [L42] signed long int var_1_12 = -2; [L42] signed long int var_1_12 = -2; [L43] signed long int* var_1_12_Pointer = &(var_1_12); [L44] signed long int var_1_13 = 1629954775; [L44] signed long int var_1_13 = 1629954775; [L45] signed long int* var_1_13_Pointer = &(var_1_13); [L46] signed long int var_1_15 = 1928642731; [L46] signed long int var_1_15 = 1928642731; [L47] signed long int* var_1_15_Pointer = &(var_1_15); [L48] signed short int var_1_18 = 0; [L48] signed short int var_1_18 = 0; [L49] signed short int* var_1_18_Pointer = &(var_1_18); [L50] unsigned short int var_1_19 = 5; [L50] unsigned short int var_1_19 = 5; [L51] unsigned short int* var_1_19_Pointer = &(var_1_19); VAL [isInitial=0, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L106] isInitial = 1 [L107] FCALL initially() [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_float() [L76] EXPR \read(var_1_2) [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F [L76] EXPR \read(var_1_2) [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L77] var_1_3 = __VERIFIER_nondet_float() [L78] EXPR \read(var_1_3) [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F [L78] EXPR \read(var_1_3) [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR (var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR (var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L79] var_1_5 = __VERIFIER_nondet_char() [L80] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L82] var_1_6 = __VERIFIER_nondet_char() [L83] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L85] var_1_7 = __VERIFIER_nondet_char() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L88] var_1_9 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L90] var_1_10 = __VERIFIER_nondet_float() [L91] EXPR \read(var_1_10) [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F [L91] EXPR \read(var_1_10) [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR (var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR (var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L92] var_1_13 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L93] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L93] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L95] var_1_15 = __VERIFIER_nondet_long() [L96] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L96] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L96] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L110] RET updateVariables() [L111] CALL step() [L55] signed long int stepLocal_0 = -4; [L56] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L56] COND TRUE stepLocal_0 < (*(var_1_6_Pointer)) [L57] EXPR \read(*var_1_9_Pointer) [L57] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L57] EXPR (((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) [L57] EXPR \read(*var_1_9_Pointer) [L57] EXPR (((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L57] (*(var_1_8_Pointer)) = (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L59] EXPR (((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR (((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L59] (*(var_1_11_Pointer)) = (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))) [L60] EXPR \read(*var_1_5_Pointer) [L60] (*(var_1_18_Pointer)) = (*(var_1_5_Pointer)) [L61] EXPR \read(*var_1_6_Pointer) [L61] (*(var_1_19_Pointer)) = (*(var_1_6_Pointer)) [L62] EXPR \read(*var_1_2_Pointer) [L62] EXPR \read(*var_1_3_Pointer) [L62] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L62] COND FALSE !(((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) [L65] EXPR \read(*var_1_5_Pointer) [L65] (*(var_1_1_Pointer)) = (*(var_1_5_Pointer)) [L67] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L67] EXPR (*(var_1_6_Pointer)) | 5 VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L67] signed long int stepLocal_1 = (*(var_1_6_Pointer)) | 5; [L68] EXPR \read(*var_1_5_Pointer) [L68] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L68] EXPR (((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer))) [L68] EXPR \read(*var_1_5_Pointer) [L68] EXPR (((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, stepLocal_1=5, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L68] COND FALSE !(stepLocal_1 <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) [L71] EXPR \read(*var_1_6_Pointer) [L71] EXPR \read(*var_1_19_Pointer) [L71] EXPR \read(*var_1_19_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L71] EXPR (((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))) [L71] EXPR \read(*var_1_19_Pointer) [L71] EXPR (((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L71] EXPR \read(*var_1_19_Pointer) [L71] (*(var_1_12_Pointer)) = ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR \read(*var_1_2_Pointer) [L102] EXPR \read(*var_1_3_Pointer) [L102] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) [L102] EXPR \read(*var_1_1_Pointer) [L102] EXPR \read(*var_1_5_Pointer) [L102] EXPR \read(*var_1_6_Pointer) [L102] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))) [L102] EXPR \read(*var_1_5_Pointer) [L102] EXPR \read(*var_1_6_Pointer) [L102] EXPR ((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102-L103] return ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 13, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4537 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4537 mSDsluCounter, 11643 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9593 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4138 IncrementalHoareTripleChecker+Invalid, 4441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 2050 mSDtfsCounter, 4138 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 915 SyntacticMatches, 4 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=448occurred in iteration=8, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 372 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 2252 NumberOfCodeBlocks, 2252 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2501 ConstructedInterpolants, 0 QuantifiedInterpolants, 9932 SizeOfPredicates, 51 NumberOfNonLiveVariables, 2530 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 6305/6916 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 [2024-11-27 23:24:47,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/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_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/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_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/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_e248196d-b425-455d-ac8b-558e29f6edae/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 d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:24:51,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:24:51,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:24:51,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:24:51,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:24:51,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:24:51,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:24:51,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:24:51,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:24:51,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:24:51,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:24:51,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:24:51,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:24:51,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:24:51,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:24:51,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:24:51,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:24:51,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:24:51,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:24:51,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:24:51,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:24:51,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:24:51,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:24:51,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:51,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:51,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:51,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:51,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:24:51,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:24:51,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:51,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:24:51,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:24:51,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:24:51,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:24:51,267 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_e248196d-b425-455d-ac8b-558e29f6edae/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 -> d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 [2024-11-27 23:24:51,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:24:51,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:24:51,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:24:51,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:24:51,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:24:51,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:55,228 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/48e20f99d/2d9a71ada6d14cc8b279fd92701bd879/FLAG0a0f8b9c7 [2024-11-27 23:24:55,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:24:55,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:55,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/48e20f99d/2d9a71ada6d14cc8b279fd92701bd879/FLAG0a0f8b9c7 [2024-11-27 23:24:55,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/data/48e20f99d/2d9a71ada6d14cc8b279fd92701bd879 [2024-11-27 23:24:55,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:24:55,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:24:55,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:55,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:24:55,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:24:55,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:55" (1/1) ... [2024-11-27 23:24:55,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5134c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:55, skipping insertion in model container [2024-11-27 23:24:55,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:55" (1/1) ... [2024-11-27 23:24:55,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:24:55,819 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_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-27 23:24:55,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:55,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:24:55,967 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-27 23:24:56,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:24:56,034 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:24:56,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56 WrapperNode [2024-11-27 23:24:56,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:24:56,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:56,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:24:56,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:24:56,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,103 INFO L138 Inliner]: procedures = 36, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 593 [2024-11-27 23:24:56,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:24:56,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:24:56,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:24:56,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:24:56,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,154 INFO L175 MemorySlicer]: Split 152 memory accesses to 16 slices as follows [2, 5, 8, 8, 22, 20, 12, 5, 14, 14, 3, 5, 8, 6, 3, 17]. 14 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1]. [2024-11-27 23:24:56,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:24:56,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:24:56,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:24:56,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:24:56,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (1/1) ... [2024-11-27 23:24:56,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:24:56,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:24:56,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:24:56,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:24:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:24:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:24:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:24:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 23:24:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-27 23:24:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-27 23:24:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-27 23:24:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-27 23:24:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-27 23:24:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-27 23:24:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-27 23:24:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-27 23:24:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-27 23:24:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-27 23:24:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-27 23:24:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-27 23:24:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-27 23:24:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-27 23:24:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-27 23:24:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-27 23:24:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-27 23:24:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-27 23:24:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-27 23:24:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:24:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:24:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-27 23:24:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 23:24:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 23:24:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-27 23:24:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-27 23:24:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-27 23:24:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-27 23:24:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-27 23:24:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-27 23:24:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-27 23:24:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-27 23:24:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-27 23:24:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-27 23:24:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-27 23:24:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-27 23:24:56,707 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:24:56,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:24:57,975 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-27 23:24:57,976 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:24:57,993 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:24:57,994 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:24:57,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:57 BoogieIcfgContainer [2024-11-27 23:24:57,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:24:57,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:24:57,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:24:58,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:24:58,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:24:55" (1/3) ... [2024-11-27 23:24:58,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5751f5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:58, skipping insertion in model container [2024-11-27 23:24:58,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:56" (2/3) ... [2024-11-27 23:24:58,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5751f5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:24:58, skipping insertion in model container [2024-11-27 23:24:58,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:24:57" (3/3) ... [2024-11-27 23:24:58,008 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-28.i [2024-11-27 23:24:58,025 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:24:58,027 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-28.i that has 2 procedures, 115 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:24:58,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:24:58,101 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;@4512a49b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:24:58,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:24:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:24:58,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:58,119 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:58,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:58,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:58,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2114448736, now seen corresponding path program 1 times [2024-11-27 23:24:58,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:24:58,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846343619] [2024-11-27 23:24:58,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:58,138 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 [2024-11-27 23:24:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:24:58,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:24:58,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:24:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:58,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:24:58,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-27 23:24:58,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:24:58,916 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:24:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846343619] [2024-11-27 23:24:58,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846343619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:24:58,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:24:58,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:24:58,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709222010] [2024-11-27 23:24:58,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:24:58,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:24:58,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:24:58,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:24:58,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:24:58,958 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:24:58,994 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-11-27 23:24:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:24:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-27 23:24:58,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:24:59,001 INFO L225 Difference]: With dead ends: 223 [2024-11-27 23:24:59,001 INFO L226 Difference]: Without dead ends: 111 [2024-11-27 23:24:59,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:24:59,007 INFO L435 NwaCegarLoop]: 161 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, 161 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 [2024-11-27 23:24:59,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:24:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-27 23:24:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-27 23:24:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:24:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-11-27 23:24:59,064 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 128 [2024-11-27 23:24:59,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:24:59,065 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-11-27 23:24:59,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:24:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-27 23:24:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 23:24:59,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:24:59,071 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:24:59,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:24:59,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:24:59,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:24:59,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:24:59,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1153224588, now seen corresponding path program 1 times [2024-11-27 23:24:59,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:24:59,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933655784] [2024-11-27 23:24:59,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:59,275 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 [2024-11-27 23:24:59,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:24:59,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:24:59,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:24:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:59,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:24:59,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:00,723 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 [2024-11-27 23:25:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:25:00,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:01,281 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:25:01,282 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 20 treesize of output 19 [2024-11-27 23:25:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:25:01,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:01,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933655784] [2024-11-27 23:25:01,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933655784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:25:01,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:25:01,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-27 23:25:01,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026869624] [2024-11-27 23:25:01,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:01,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:25:01,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:01,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:25:01,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:25:01,474 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:25:02,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:02,553 INFO L93 Difference]: Finished difference Result 223 states and 322 transitions. [2024-11-27 23:25:02,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:25:02,554 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) Word has length 128 [2024-11-27 23:25:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:02,556 INFO L225 Difference]: With dead ends: 223 [2024-11-27 23:25:02,556 INFO L226 Difference]: Without dead ends: 115 [2024-11-27 23:25:02,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:25:02,560 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 337 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:02,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 584 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:25:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-27 23:25:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-27 23:25:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 98 states have internal predecessors, (135), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:25:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-27 23:25:02,595 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 128 [2024-11-27 23:25:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:02,596 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-27 23:25:02,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:25:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-27 23:25:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:25:02,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:02,598 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:02,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 23:25:02,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:02,799 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:02,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:02,802 INFO L85 PathProgramCache]: Analyzing trace with hash -849854343, now seen corresponding path program 1 times [2024-11-27 23:25:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:02,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861896301] [2024-11-27 23:25:02,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:02,804 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 [2024-11-27 23:25:02,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:02,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:02,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:03,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:25:03,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:25:03,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:25:03,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861896301] [2024-11-27 23:25:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861896301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:03,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:03,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:25:03,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855281238] [2024-11-27 23:25:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:03,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:25:03,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:03,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:25:03,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:25:03,426 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:03,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:03,545 INFO L93 Difference]: Finished difference Result 234 states and 333 transitions. [2024-11-27 23:25:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:25:03,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-27 23:25:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:03,547 INFO L225 Difference]: With dead ends: 234 [2024-11-27 23:25:03,548 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 23:25:03,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:25:03,549 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:03,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 744 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:25:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 23:25:03,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-27 23:25:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 states have internal predecessors, (141), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:25:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2024-11-27 23:25:03,564 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 130 [2024-11-27 23:25:03,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:03,564 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2024-11-27 23:25:03,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2024-11-27 23:25:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 23:25:03,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:03,567 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:03,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:03,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:03,767 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:03,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:03,768 INFO L85 PathProgramCache]: Analyzing trace with hash 925153019, now seen corresponding path program 1 times [2024-11-27 23:25:03,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:03,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324548109] [2024-11-27 23:25:03,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:03,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:04,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:04,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:04,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-27 23:25:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:25:04,535 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:25:04,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:04,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324548109] [2024-11-27 23:25:04,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [324548109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:04,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:04,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:25:04,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465267090] [2024-11-27 23:25:04,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:04,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:25:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:04,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:25:04,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:25:04,537 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:05,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:05,263 INFO L93 Difference]: Finished difference Result 240 states and 336 transitions. [2024-11-27 23:25:05,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:25:05,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-27 23:25:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:05,269 INFO L225 Difference]: With dead ends: 240 [2024-11-27 23:25:05,269 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 23:25:05,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:25:05,273 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 155 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:05,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 515 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:25:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 23:25:05,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-27 23:25:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3461538461538463) internal successors, (140), 104 states have internal predecessors, (140), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:25:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2024-11-27 23:25:05,303 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 130 [2024-11-27 23:25:05,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:05,304 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2024-11-27 23:25:05,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2024-11-27 23:25:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-27 23:25:05,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:05,308 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:05,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:05,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:05,509 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:05,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:05,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1078355135, now seen corresponding path program 1 times [2024-11-27 23:25:05,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:05,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754872550] [2024-11-27 23:25:05,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:05,510 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 [2024-11-27 23:25:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:05,513 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:05,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:06,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:06,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:06,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-27 23:25:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:25:06,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:25:06,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:06,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754872550] [2024-11-27 23:25:06,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754872550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:25:06,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:25:06,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:25:06,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135959846] [2024-11-27 23:25:06,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:06,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:25:06,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:06,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:25:06,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:25:06,208 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:25:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:06,868 INFO L93 Difference]: Finished difference Result 240 states and 334 transitions. [2024-11-27 23:25:06,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:25:06,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-27 23:25:06,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:06,872 INFO L225 Difference]: With dead ends: 240 [2024-11-27 23:25:06,872 INFO L226 Difference]: Without dead ends: 122 [2024-11-27 23:25:06,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:25:06,874 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 143 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:06,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 509 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:25:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-27 23:25:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-27 23:25:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 23:25:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2024-11-27 23:25:06,892 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 132 [2024-11-27 23:25:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:06,892 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2024-11-27 23:25:06,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:25:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2024-11-27 23:25:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 23:25:06,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:06,894 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:06,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:07,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:07,095 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:07,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:07,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2051183547, now seen corresponding path program 1 times [2024-11-27 23:25:07,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:07,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018324767] [2024-11-27 23:25:07,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:07,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:07,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:07,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:07,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:25:07,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:08,243 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 [2024-11-27 23:25:08,338 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 [2024-11-27 23:25:08,343 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 [2024-11-27 23:25:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-27 23:25:08,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:25:08,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:08,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018324767] [2024-11-27 23:25:08,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018324767] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:08,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:08,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:25:08,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810112553] [2024-11-27 23:25:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:08,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:25:08,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:08,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:25:08,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:25:08,573 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:09,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:09,365 INFO L93 Difference]: Finished difference Result 311 states and 429 transitions. [2024-11-27 23:25:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:25:09,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-27 23:25:09,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:09,368 INFO L225 Difference]: With dead ends: 311 [2024-11-27 23:25:09,368 INFO L226 Difference]: Without dead ends: 193 [2024-11-27 23:25:09,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:25:09,369 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 84 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:09,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 624 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:25:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-27 23:25:09,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2024-11-27 23:25:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 170 states have (on average 1.3529411764705883) internal successors, (230), 171 states have internal predecessors, (230), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:25:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2024-11-27 23:25:09,385 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 134 [2024-11-27 23:25:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:09,385 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2024-11-27 23:25:09,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2024-11-27 23:25:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:25:09,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:09,387 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:09,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:09,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:09,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:09,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:09,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1530438413, now seen corresponding path program 1 times [2024-11-27 23:25:09,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:09,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054199685] [2024-11-27 23:25:09,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:09,589 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 [2024-11-27 23:25:09,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:09,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:09,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:10,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:25:10,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:10,696 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 [2024-11-27 23:25:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:25:10,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:11,136 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:25:11,137 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 20 treesize of output 19 [2024-11-27 23:25:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:25:11,305 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:11,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054199685] [2024-11-27 23:25:11,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2054199685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:25:11,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:25:11,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-27 23:25:11,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897701884] [2024-11-27 23:25:11,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:11,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:25:11,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:11,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:25:11,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:25:11,307 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:25:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:12,722 INFO L93 Difference]: Finished difference Result 377 states and 521 transitions. [2024-11-27 23:25:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:25:12,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) Word has length 136 [2024-11-27 23:25:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:12,725 INFO L225 Difference]: With dead ends: 377 [2024-11-27 23:25:12,725 INFO L226 Difference]: Without dead ends: 190 [2024-11-27 23:25:12,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:25:12,727 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 384 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:12,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 687 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:25:12,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-27 23:25:12,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-27 23:25:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 170 states have (on average 1.3411764705882352) internal successors, (228), 171 states have internal predecessors, (228), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:25:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 260 transitions. [2024-11-27 23:25:12,740 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 260 transitions. Word has length 136 [2024-11-27 23:25:12,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:12,740 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 260 transitions. [2024-11-27 23:25:12,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:25:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2024-11-27 23:25:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:25:12,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:12,742 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:12,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:25:12,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:12,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:12,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1531430154, now seen corresponding path program 1 times [2024-11-27 23:25:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:12,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839668173] [2024-11-27 23:25:12,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:12,944 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 [2024-11-27 23:25:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:12,946 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:12,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:13,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:25:13,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:14,015 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 [2024-11-27 23:25:14,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:25:14,094 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 [2024-11-27 23:25:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:25:14,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:25:14,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:25:14,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839668173] [2024-11-27 23:25:14,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839668173] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:14,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:25:14,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-27 23:25:14,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797453811] [2024-11-27 23:25:14,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:25:14,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:25:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:14,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:25:14,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:25:14,255 INFO L87 Difference]: Start difference. First operand 190 states and 260 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:25:14,283 INFO L93 Difference]: Finished difference Result 377 states and 517 transitions. [2024-11-27 23:25:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:25:14,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-27 23:25:14,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:25:14,285 INFO L225 Difference]: With dead ends: 377 [2024-11-27 23:25:14,285 INFO L226 Difference]: Without dead ends: 190 [2024-11-27 23:25:14,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:25:14,286 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:25:14,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:25:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-27 23:25:14,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-27 23:25:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 170 states have (on average 1.3294117647058823) internal successors, (226), 171 states have internal predecessors, (226), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:25:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 258 transitions. [2024-11-27 23:25:14,319 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 258 transitions. Word has length 136 [2024-11-27 23:25:14,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:25:14,320 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 258 transitions. [2024-11-27 23:25:14,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:25:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 258 transitions. [2024-11-27 23:25:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:25:14,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:25:14,322 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:25:14,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:14,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:25:14,523 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:25:14,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:25:14,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1945888692, now seen corresponding path program 1 times [2024-11-27 23:25:14,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:25:14,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498496104] [2024-11-27 23:25:14,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:25:14,524 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 [2024-11-27 23:25:14,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:25:14,526 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:25:14,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:25:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:25:42,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 23:25:42,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:25:50,337 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 91 treesize of output 43 [2024-11-27 23:25:50,687 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 15 treesize of output 1 [2024-11-27 23:26:03,134 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 107 treesize of output 71 [2024-11-27 23:26:03,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 59 [2024-11-27 23:26:03,173 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 87 treesize of output 51 [2024-11-27 23:26:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 238 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:26:07,609 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:26:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:26:30,653 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:26:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498496104] [2024-11-27 23:26:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498496104] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:26:30,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:26:30,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [28] total 32 [2024-11-27 23:26:30,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087061886] [2024-11-27 23:26:30,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:30,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:26:30,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:26:30,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:26:30,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=905, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:26:30,655 INFO L87 Difference]: Start difference. First operand 190 states and 258 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:26:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:56,232 INFO L93 Difference]: Finished difference Result 373 states and 506 transitions. [2024-11-27 23:26:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:26:56,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-27 23:26:56,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:56,254 INFO L225 Difference]: With dead ends: 373 [2024-11-27 23:26:56,254 INFO L226 Difference]: Without dead ends: 186 [2024-11-27 23:26:56,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 23:26:56,256 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 53 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:56,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 575 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2024-11-27 23:26:56,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-27 23:26:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-27 23:26:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 164 states have (on average 1.3231707317073171) internal successors, (217), 165 states have internal predecessors, (217), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:26:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 249 transitions. [2024-11-27 23:26:56,290 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 249 transitions. Word has length 136 [2024-11-27 23:26:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:56,292 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 249 transitions. [2024-11-27 23:26:56,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:26:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 249 transitions. [2024-11-27 23:26:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-27 23:26:56,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:56,301 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:56,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:26:56,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:26:56,502 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:56,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:56,502 INFO L85 PathProgramCache]: Analyzing trace with hash 348225118, now seen corresponding path program 1 times [2024-11-27 23:26:56,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:26:56,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241827531] [2024-11-27 23:26:56,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:56,503 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 [2024-11-27 23:26:56,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:26:56,505 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:26:56,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:27:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:26,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-27 23:27:26,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:36,358 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 91 treesize of output 43 [2024-11-27 23:27:36,716 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 [2024-11-27 23:27:52,727 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 129 treesize of output 81 [2024-11-27 23:27:52,741 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 117 treesize of output 69 [2024-11-27 23:27:52,756 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 86 treesize of output 50 [2024-11-27 23:27:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 238 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:27:57,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:28:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:28:24,704 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:24,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241827531] [2024-11-27 23:28:24,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241827531] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:24,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:28:24,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [30] total 34 [2024-11-27 23:28:24,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45865137] [2024-11-27 23:28:24,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:24,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:28:24,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:24,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:28:24,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1026, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 23:28:24,706 INFO L87 Difference]: Start difference. First operand 184 states and 249 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:46,888 INFO L93 Difference]: Finished difference Result 367 states and 496 transitions. [2024-11-27 23:28:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:28:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-27 23:28:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:46,896 INFO L225 Difference]: With dead ends: 367 [2024-11-27 23:28:46,896 INFO L226 Difference]: Without dead ends: 186 [2024-11-27 23:28:46,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 23:28:46,897 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 120 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:46,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 512 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2024-11-27 23:28:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-27 23:28:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-27 23:28:46,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 164 states have (on average 1.3170731707317074) internal successors, (216), 165 states have internal predecessors, (216), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 23:28:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 248 transitions. [2024-11-27 23:28:46,909 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 248 transitions. Word has length 136 [2024-11-27 23:28:46,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:46,910 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 248 transitions. [2024-11-27 23:28:46,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2024-11-27 23:28:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:28:46,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:46,912 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:46,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:28:47,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:47,112 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:47,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:47,113 INFO L85 PathProgramCache]: Analyzing trace with hash 15895824, now seen corresponding path program 1 times [2024-11-27 23:28:47,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:47,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953473181] [2024-11-27 23:28:47,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:47,114 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 [2024-11-27 23:28:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:47,116 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:28:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:28:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:47,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:28:47,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:49,225 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 [2024-11-27 23:28:49,741 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 61 treesize of output 37 [2024-11-27 23:28:49,884 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 118 treesize of output 58 [2024-11-27 23:28:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:28:50,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:28:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:28:50,945 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:50,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953473181] [2024-11-27 23:28:50,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953473181] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:50,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:28:50,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2024-11-27 23:28:50,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302303472] [2024-11-27 23:28:50,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:50,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:28:50,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:50,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:28:50,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:28:50,947 INFO L87 Difference]: Start difference. First operand 184 states and 248 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:52,596 INFO L93 Difference]: Finished difference Result 557 states and 750 transitions. [2024-11-27 23:28:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:28:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:28:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:52,599 INFO L225 Difference]: With dead ends: 557 [2024-11-27 23:28:52,599 INFO L226 Difference]: Without dead ends: 376 [2024-11-27 23:28:52,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:28:52,600 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 131 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:52,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1405 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:28:52,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-27 23:28:52,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 345. [2024-11-27 23:28:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 312 states have (on average 1.310897435897436) internal successors, (409), 315 states have internal predecessors, (409), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:28:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 461 transitions. [2024-11-27 23:28:52,623 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 461 transitions. Word has length 138 [2024-11-27 23:28:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:52,624 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 461 transitions. [2024-11-27 23:28:52,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 461 transitions. [2024-11-27 23:28:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:28:52,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:52,626 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:52,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:52,826 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1263967854, now seen corresponding path program 1 times [2024-11-27 23:28:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:52,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917506919] [2024-11-27 23:28:52,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:52,827 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 [2024-11-27 23:28:52,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:52,829 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:28:52,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:28:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:53,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:28:53,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:28:55,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:28:55,643 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 81 treesize of output 57 [2024-11-27 23:28:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:28:55,730 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:28:55,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917506919] [2024-11-27 23:28:55,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917506919] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:55,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:28:55,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-27 23:28:55,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014840440] [2024-11-27 23:28:55,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:28:55,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:28:55,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:28:55,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:28:55,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:28:55,731 INFO L87 Difference]: Start difference. First operand 345 states and 461 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:56,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:28:56,883 INFO L93 Difference]: Finished difference Result 876 states and 1165 transitions. [2024-11-27 23:28:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:28:56,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:28:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:28:56,887 INFO L225 Difference]: With dead ends: 876 [2024-11-27 23:28:56,887 INFO L226 Difference]: Without dead ends: 534 [2024-11-27 23:28:56,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:28:56,889 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 392 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:28:56,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 637 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:28:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-27 23:28:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 381. [2024-11-27 23:28:56,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 348 states have (on average 1.3132183908045978) internal successors, (457), 351 states have internal predecessors, (457), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:28:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 509 transitions. [2024-11-27 23:28:56,917 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 509 transitions. Word has length 138 [2024-11-27 23:28:56,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:28:56,917 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 509 transitions. [2024-11-27 23:28:56,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:28:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 509 transitions. [2024-11-27 23:28:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:28:56,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:28:56,933 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:28:56,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:28:57,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:28:57,134 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:28:57,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:28:57,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1691940647, now seen corresponding path program 1 times [2024-11-27 23:28:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:28:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097015634] [2024-11-27 23:28:57,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:57,135 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 [2024-11-27 23:28:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:28:57,137 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:28:57,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-27 23:28:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:57,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 23:28:57,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:59,379 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 28 treesize of output 24 [2024-11-27 23:28:59,872 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 [2024-11-27 23:28:59,978 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 46 [2024-11-27 23:28:59,982 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 55 treesize of output 39 [2024-11-27 23:29:21,792 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:29:21,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:29:32,534 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:32,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097015634] [2024-11-27 23:29:32,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097015634] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:32,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:32,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 30 [2024-11-27 23:29:32,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142141916] [2024-11-27 23:29:32,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:32,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:29:32,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:32,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:29:32,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:29:32,536 INFO L87 Difference]: Start difference. First operand 381 states and 509 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:29:44,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:44,459 INFO L93 Difference]: Finished difference Result 1087 states and 1445 transitions. [2024-11-27 23:29:44,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:29:44,460 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:29:44,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:44,466 INFO L225 Difference]: With dead ends: 1087 [2024-11-27 23:29:44,466 INFO L226 Difference]: Without dead ends: 709 [2024-11-27 23:29:44,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 42.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:29:44,469 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 204 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:44,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 1597 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-27 23:29:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-27 23:29:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 454. [2024-11-27 23:29:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 421 states have (on average 1.3159144893111638) internal successors, (554), 424 states have internal predecessors, (554), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:29:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 606 transitions. [2024-11-27 23:29:44,533 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 606 transitions. Word has length 138 [2024-11-27 23:29:44,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:44,534 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 606 transitions. [2024-11-27 23:29:44,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:29:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 606 transitions. [2024-11-27 23:29:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:29:44,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:44,537 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:44,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:29:44,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:44,738 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:44,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:44,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1581958295, now seen corresponding path program 1 times [2024-11-27 23:29:44,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:44,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473191612] [2024-11-27 23:29:44,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:44,739 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 [2024-11-27 23:29:44,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:44,742 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:29:44,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:29:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:45,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:29:45,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:47,433 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 28 treesize of output 24 [2024-11-27 23:29:48,405 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 [2024-11-27 23:29:48,413 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 87 treesize of output 63 [2024-11-27 23:29:48,425 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 [2024-11-27 23:29:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:29:48,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:29:50,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473191612] [2024-11-27 23:29:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473191612] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:50,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:50,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 30 [2024-11-27 23:29:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524517182] [2024-11-27 23:29:50,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:50,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:29:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:50,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:29:50,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:29:50,462 INFO L87 Difference]: Start difference. First operand 454 states and 606 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:29:54,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:29:54,607 INFO L93 Difference]: Finished difference Result 1310 states and 1733 transitions. [2024-11-27 23:29:54,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:29:54,609 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:29:54,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:29:54,613 INFO L225 Difference]: With dead ends: 1310 [2024-11-27 23:29:54,614 INFO L226 Difference]: Without dead ends: 859 [2024-11-27 23:29:54,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=197, Invalid=1209, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:29:54,616 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 350 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:29:54,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1676 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-27 23:29:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-27 23:29:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 331. [2024-11-27 23:29:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 302 states have (on average 1.304635761589404) internal successors, (394), 303 states have internal predecessors, (394), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:29:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 438 transitions. [2024-11-27 23:29:54,647 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 438 transitions. Word has length 138 [2024-11-27 23:29:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:29:54,647 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 438 transitions. [2024-11-27 23:29:54,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:29:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 438 transitions. [2024-11-27 23:29:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:29:54,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:29:54,649 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:54,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:29:54,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:29:54,850 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:29:54,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1473085929, now seen corresponding path program 1 times [2024-11-27 23:29:54,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:29:54,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286928212] [2024-11-27 23:29:54,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:54,851 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 [2024-11-27 23:29:54,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:29:54,854 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:29:54,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:29:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:55,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:29:55,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:29:56,258 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 28 treesize of output 24 [2024-11-27 23:29:56,330 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 [2024-11-27 23:29:56,371 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 40 treesize of output 32 [2024-11-27 23:29:56,375 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 24 [2024-11-27 23:29:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-27 23:29:57,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:29:59,185 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:29:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286928212] [2024-11-27 23:29:59,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286928212] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:59,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:29:59,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 14 [2024-11-27 23:29:59,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722660136] [2024-11-27 23:29:59,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:59,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:29:59,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:59,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:29:59,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:29:59,188 INFO L87 Difference]: Start difference. First operand 331 states and 438 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:02,970 INFO L93 Difference]: Finished difference Result 839 states and 1104 transitions. [2024-11-27 23:30:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:30:02,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:30:02,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:02,974 INFO L225 Difference]: With dead ends: 839 [2024-11-27 23:30:02,974 INFO L226 Difference]: Without dead ends: 511 [2024-11-27 23:30:02,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:30:02,976 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 84 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:02,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1216 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:30:02,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-11-27 23:30:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 361. [2024-11-27 23:30:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 332 states have (on average 1.3132530120481927) internal successors, (436), 333 states have internal predecessors, (436), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:30:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 480 transitions. [2024-11-27 23:30:03,005 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 480 transitions. Word has length 138 [2024-11-27 23:30:03,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:03,006 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 480 transitions. [2024-11-27 23:30:03,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 480 transitions. [2024-11-27 23:30:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:30:03,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:03,008 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:03,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-27 23:30:03,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:03,208 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:03,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:03,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1800813013, now seen corresponding path program 1 times [2024-11-27 23:30:03,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:03,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442043880] [2024-11-27 23:30:03,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:03,209 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 [2024-11-27 23:30:03,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:03,211 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:03,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:03,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:30:03,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:05,890 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 28 treesize of output 24 [2024-11-27 23:30:06,862 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 [2024-11-27 23:30:06,871 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 74 treesize of output 54 [2024-11-27 23:30:06,883 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 [2024-11-27 23:30:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:30:07,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:30:08,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:08,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442043880] [2024-11-27 23:30:08,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442043880] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:08,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:08,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 30 [2024-11-27 23:30:08,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827787244] [2024-11-27 23:30:08,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:08,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:30:08,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:08,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:30:08,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:30:08,951 INFO L87 Difference]: Start difference. First operand 361 states and 480 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:13,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:13,745 INFO L93 Difference]: Finished difference Result 1010 states and 1332 transitions. [2024-11-27 23:30:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:30:13,749 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:30:13,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:13,753 INFO L225 Difference]: With dead ends: 1010 [2024-11-27 23:30:13,753 INFO L226 Difference]: Without dead ends: 652 [2024-11-27 23:30:13,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=204, Invalid=1202, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:30:13,755 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 290 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:13,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1804 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-27 23:30:13,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-27 23:30:13,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 343. [2024-11-27 23:30:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 314 states have (on average 1.3121019108280254) internal successors, (412), 315 states have internal predecessors, (412), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:30:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 456 transitions. [2024-11-27 23:30:13,789 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 456 transitions. Word has length 138 [2024-11-27 23:30:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:13,789 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 456 transitions. [2024-11-27 23:30:13,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 456 transitions. [2024-11-27 23:30:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:30:13,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:13,792 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:13,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-27 23:30:13,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:13,993 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:13,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:13,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1551392037, now seen corresponding path program 1 times [2024-11-27 23:30:13,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:13,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655666492] [2024-11-27 23:30:13,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:13,995 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 [2024-11-27 23:30:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:13,997 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:13,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:14,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:30:14,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:17,782 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 40 [2024-11-27 23:30:17,790 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 68 treesize of output 48 [2024-11-27 23:30:17,802 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 [2024-11-27 23:30:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:30:31,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:30:37,806 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655666492] [2024-11-27 23:30:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655666492] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:37,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 25 [2024-11-27 23:30:37,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612475279] [2024-11-27 23:30:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:37,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:30:37,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:37,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:30:37,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:30:37,808 INFO L87 Difference]: Start difference. First operand 343 states and 456 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:42,814 INFO L93 Difference]: Finished difference Result 952 states and 1253 transitions. [2024-11-27 23:30:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:30:42,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:30:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:42,818 INFO L225 Difference]: With dead ends: 952 [2024-11-27 23:30:42,818 INFO L226 Difference]: Without dead ends: 612 [2024-11-27 23:30:42,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:30:42,820 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 224 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:42,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 875 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 23:30:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-27 23:30:42,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 361. [2024-11-27 23:30:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 332 states have (on average 1.3042168674698795) internal successors, (433), 333 states have internal predecessors, (433), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:30:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 477 transitions. [2024-11-27 23:30:42,850 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 477 transitions. Word has length 138 [2024-11-27 23:30:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:42,851 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 477 transitions. [2024-11-27 23:30:42,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 477 transitions. [2024-11-27 23:30:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:30:42,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:42,852 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:42,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:43,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:43,053 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:43,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1332537319, now seen corresponding path program 1 times [2024-11-27 23:30:43,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:43,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694084123] [2024-11-27 23:30:43,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:43,055 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 [2024-11-27 23:30:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:43,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:43,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:43,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:30:43,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:45,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-27 23:30:46,750 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 83 treesize of output 63 [2024-11-27 23:30:46,763 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 20 treesize of output 12 [2024-11-27 23:30:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:30:47,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:30:48,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:48,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694084123] [2024-11-27 23:30:48,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694084123] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:48,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:30:48,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 30 [2024-11-27 23:30:48,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921266148] [2024-11-27 23:30:48,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:48,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:30:48,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:30:48,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:30:48,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:30:48,960 INFO L87 Difference]: Start difference. First operand 361 states and 477 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:53,845 INFO L93 Difference]: Finished difference Result 1006 states and 1319 transitions. [2024-11-27 23:30:53,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:30:53,847 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:30:53,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:53,850 INFO L225 Difference]: With dead ends: 1006 [2024-11-27 23:30:53,850 INFO L226 Difference]: Without dead ends: 648 [2024-11-27 23:30:53,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=204, Invalid=1202, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:30:53,853 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 415 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:53,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 1859 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-27 23:30:53,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-27 23:30:53,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 346. [2024-11-27 23:30:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 317 states have (on average 1.3091482649842272) internal successors, (415), 318 states have internal predecessors, (415), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:30:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 459 transitions. [2024-11-27 23:30:53,904 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 459 transitions. Word has length 138 [2024-11-27 23:30:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:53,904 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 459 transitions. [2024-11-27 23:30:53,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:30:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 459 transitions. [2024-11-27 23:30:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:30:53,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:53,907 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:53,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:54,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:54,109 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:54,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:54,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1773440944, now seen corresponding path program 1 times [2024-11-27 23:30:54,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:54,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022230239] [2024-11-27 23:30:54,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:54,111 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 [2024-11-27 23:30:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:54,113 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:30:54,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:30:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:54,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:30:54,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:59,917 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 112 treesize of output 64 [2024-11-27 23:30:59,924 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 73 treesize of output 37 [2024-11-27 23:31:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:31:00,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:01,573 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:31:01,573 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:01,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022230239] [2024-11-27 23:31:01,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022230239] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:01,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:01,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-11-27 23:31:01,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442991178] [2024-11-27 23:31:01,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:01,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:31:01,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:01,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:31:01,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:31:01,575 INFO L87 Difference]: Start difference. First operand 346 states and 459 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:03,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:03,027 INFO L93 Difference]: Finished difference Result 761 states and 1003 transitions. [2024-11-27 23:31:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:31:03,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:31:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:03,031 INFO L225 Difference]: With dead ends: 761 [2024-11-27 23:31:03,031 INFO L226 Difference]: Without dead ends: 418 [2024-11-27 23:31:03,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:31:03,033 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 239 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:03,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 939 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:31:03,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-27 23:31:03,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 287. [2024-11-27 23:31:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 258 states have (on average 1.2984496124031009) internal successors, (335), 259 states have internal predecessors, (335), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:31:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 379 transitions. [2024-11-27 23:31:03,064 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 379 transitions. Word has length 138 [2024-11-27 23:31:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:03,065 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 379 transitions. [2024-11-27 23:31:03,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 379 transitions. [2024-11-27 23:31:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:31:03,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:03,069 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:03,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:03,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:03,270 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:03,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:03,270 INFO L85 PathProgramCache]: Analyzing trace with hash 717495698, now seen corresponding path program 1 times [2024-11-27 23:31:03,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:03,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650233821] [2024-11-27 23:31:03,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:03,271 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 [2024-11-27 23:31:03,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:03,278 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:03,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:03,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:31:03,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:06,222 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 61 treesize of output 37 [2024-11-27 23:31:06,228 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 97 treesize of output 49 [2024-11-27 23:31:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:31:06,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:31:06,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650233821] [2024-11-27 23:31:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650233821] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:06,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:06,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-27 23:31:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378555642] [2024-11-27 23:31:06,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:06,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:31:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:06,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:31:06,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:31:06,875 INFO L87 Difference]: Start difference. First operand 287 states and 379 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:07,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:07,339 INFO L93 Difference]: Finished difference Result 805 states and 1058 transitions. [2024-11-27 23:31:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:31:07,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:31:07,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:07,343 INFO L225 Difference]: With dead ends: 805 [2024-11-27 23:31:07,343 INFO L226 Difference]: Without dead ends: 495 [2024-11-27 23:31:07,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:31:07,344 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 180 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:07,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 556 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:31:07,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-27 23:31:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 374. [2024-11-27 23:31:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 345 states have (on average 1.3043478260869565) internal successors, (450), 346 states have internal predecessors, (450), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 23:31:07,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 494 transitions. [2024-11-27 23:31:07,371 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 494 transitions. Word has length 138 [2024-11-27 23:31:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:07,372 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 494 transitions. [2024-11-27 23:31:07,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 494 transitions. [2024-11-27 23:31:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:31:07,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:07,374 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:07,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:31:07,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:07,574 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:07,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash -562367980, now seen corresponding path program 1 times [2024-11-27 23:31:07,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089337112] [2024-11-27 23:31:07,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:07,576 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 [2024-11-27 23:31:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:07,578 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:07,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:08,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:31:08,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:09,782 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 [2024-11-27 23:31:10,107 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 61 treesize of output 37 [2024-11-27 23:31:10,205 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 97 treesize of output 49 [2024-11-27 23:31:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:31:10,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:11,095 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:11,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089337112] [2024-11-27 23:31:11,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089337112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:11,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1179001568] [2024-11-27 23:31:11,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:11,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:11,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:11,100 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:11,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-27 23:31:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:13,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-27 23:31:13,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:17,641 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 [2024-11-27 23:31:19,321 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 [2024-11-27 23:31:22,695 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 [2024-11-27 23:31:23,033 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 86 treesize of output 50 [2024-11-27 23:31:24,084 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 61 treesize of output 37 [2024-11-27 23:31:24,376 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 100 treesize of output 52 [2024-11-27 23:31:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:31:24,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:31:25,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1179001568] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:25,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:25,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 20] total 37 [2024-11-27 23:31:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127491217] [2024-11-27 23:31:25,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:25,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:31:25,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:25,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:31:25,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1334, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 23:31:25,712 INFO L87 Difference]: Start difference. First operand 374 states and 494 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:28,060 INFO L93 Difference]: Finished difference Result 872 states and 1140 transitions. [2024-11-27 23:31:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:31:28,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:31:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:28,063 INFO L225 Difference]: With dead ends: 872 [2024-11-27 23:31:28,063 INFO L226 Difference]: Without dead ends: 501 [2024-11-27 23:31:28,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 409 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=203, Invalid=1867, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 23:31:28,066 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 281 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 2125 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:28,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 2125 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 23:31:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-27 23:31:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 389. [2024-11-27 23:31:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 357 states have (on average 1.2997198879551821) internal successors, (464), 358 states have internal predecessors, (464), 23 states have call successors, (23), 8 states have call predecessors, (23), 8 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:31:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 510 transitions. [2024-11-27 23:31:28,100 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 510 transitions. Word has length 138 [2024-11-27 23:31:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:28,100 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 510 transitions. [2024-11-27 23:31:28,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2024-11-27 23:31:28,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:31:28,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:28,102 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:28,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-27 23:31:28,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:28,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:28,503 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:28,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash 208022608, now seen corresponding path program 1 times [2024-11-27 23:31:28,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:28,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070596324] [2024-11-27 23:31:28,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:28,504 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 [2024-11-27 23:31:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:28,506 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:28,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:29,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:31:29,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:33,101 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 126 treesize of output 78 [2024-11-27 23:31:33,109 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 54 [2024-11-27 23:31:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:31:33,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:31:34,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:34,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070596324] [2024-11-27 23:31:34,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070596324] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:34,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:31:34,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 19 [2024-11-27 23:31:34,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891483394] [2024-11-27 23:31:34,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:34,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:31:34,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:34,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:31:34,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:31:34,073 INFO L87 Difference]: Start difference. First operand 389 states and 510 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:34,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:31:34,665 INFO L93 Difference]: Finished difference Result 844 states and 1104 transitions. [2024-11-27 23:31:34,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:31:34,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-27 23:31:34,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:31:34,671 INFO L225 Difference]: With dead ends: 844 [2024-11-27 23:31:34,671 INFO L226 Difference]: Without dead ends: 458 [2024-11-27 23:31:34,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:31:34,674 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 100 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:31:34,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 881 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:31:34,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-27 23:31:34,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 389. [2024-11-27 23:31:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 357 states have (on average 1.2969187675070029) internal successors, (463), 358 states have internal predecessors, (463), 23 states have call successors, (23), 8 states have call predecessors, (23), 8 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 23:31:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 509 transitions. [2024-11-27 23:31:34,707 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 509 transitions. Word has length 138 [2024-11-27 23:31:34,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:31:34,708 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 509 transitions. [2024-11-27 23:31:34,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:31:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 509 transitions. [2024-11-27 23:31:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:31:34,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:31:34,712 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:34,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:34,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:31:34,912 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:31:34,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1071841070, now seen corresponding path program 1 times [2024-11-27 23:31:34,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:31:34,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806865830] [2024-11-27 23:31:34,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:34,914 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 [2024-11-27 23:31:34,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:31:34,915 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:31:34,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:31:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:35,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:31:35,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:37,002 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 [2024-11-27 23:31:37,284 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 61 treesize of output 37 [2024-11-27 23:31:37,381 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 97 treesize of output 49 [2024-11-27 23:31:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:31:37,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:38,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:31:38,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806865830] [2024-11-27 23:31:38,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806865830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:38,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [281769885] [2024-11-27 23:31:38,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:31:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:31:38,224 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:31:38,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-27 23:31:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:41,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-27 23:31:41,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:31:44,809 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 [2024-11-27 23:31:46,453 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 [2024-11-27 23:31:49,544 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 70 treesize of output 34 [2024-11-27 23:31:50,213 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 [2024-11-27 23:31:51,112 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 61 treesize of output 37 [2024-11-27 23:31:51,414 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 101 treesize of output 53 [2024-11-27 23:31:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:31:51,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:52,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [281769885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:52,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:52,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18] total 26 [2024-11-27 23:31:52,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434313234] [2024-11-27 23:31:52,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:52,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-27 23:31:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:52,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 23:31:52,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=993, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 23:31:52,194 INFO L87 Difference]: Start difference. First operand 389 states and 509 transitions. Second operand has 27 states, 27 states have (on average 5.074074074074074) internal successors, (137), 26 states have internal predecessors, (137), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:32:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:14,942 INFO L93 Difference]: Finished difference Result 2072 states and 2700 transitions. [2024-11-27 23:32:14,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 23:32:14,943 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.074074074074074) internal successors, (137), 26 states have internal predecessors, (137), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 138 [2024-11-27 23:32:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:14,949 INFO L225 Difference]: With dead ends: 2072 [2024-11-27 23:32:14,949 INFO L226 Difference]: Without dead ends: 1686 [2024-11-27 23:32:14,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 308 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1199 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=603, Invalid=4367, Unknown=0, NotChecked=0, Total=4970 [2024-11-27 23:32:14,952 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 1438 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 2554 mSolverCounterSat, 221 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 3875 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 2554 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:14,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 3875 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 2554 Invalid, 8 Unknown, 0 Unchecked, 12.9s Time] [2024-11-27 23:32:14,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2024-11-27 23:32:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 574. [2024-11-27 23:32:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 524 states have (on average 1.2938931297709924) internal successors, (678), 526 states have internal predecessors, (678), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:32:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 752 transitions. [2024-11-27 23:32:15,037 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 752 transitions. Word has length 138 [2024-11-27 23:32:15,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:15,038 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 752 transitions. [2024-11-27 23:32:15,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.074074074074074) internal successors, (137), 26 states have internal predecessors, (137), 5 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-27 23:32:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 752 transitions. [2024-11-27 23:32:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:32:15,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:15,040 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:15,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:15,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-27 23:32:15,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:15,441 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:15,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:15,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1803808496, now seen corresponding path program 1 times [2024-11-27 23:32:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:15,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091519300] [2024-11-27 23:32:15,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:15,442 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 [2024-11-27 23:32:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:15,444 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:15,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:15,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:32:15,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:32:15,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:15,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091519300] [2024-11-27 23:32:15,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091519300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:15,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:15,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:32:15,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849983290] [2024-11-27 23:32:15,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:15,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:32:15,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:15,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:32:15,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:15,984 INFO L87 Difference]: Start difference. First operand 574 states and 752 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:32:16,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:16,078 INFO L93 Difference]: Finished difference Result 1145 states and 1501 transitions. [2024-11-27 23:32:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:32:16,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-27 23:32:16,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:16,081 INFO L225 Difference]: With dead ends: 1145 [2024-11-27 23:32:16,081 INFO L226 Difference]: Without dead ends: 574 [2024-11-27 23:32:16,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:16,083 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 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 [2024-11-27 23:32:16,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:32:16,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-27 23:32:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-27 23:32:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 524 states have (on average 1.2919847328244274) internal successors, (677), 526 states have internal predecessors, (677), 37 states have call successors, (37), 12 states have call predecessors, (37), 12 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:32:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 751 transitions. [2024-11-27 23:32:16,160 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 751 transitions. Word has length 138 [2024-11-27 23:32:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:16,161 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 751 transitions. [2024-11-27 23:32:16,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:32:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 751 transitions. [2024-11-27 23:32:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:32:16,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:16,163 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:16,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:16,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:16,364 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:16,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:16,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2027404596, now seen corresponding path program 1 times [2024-11-27 23:32:16,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:16,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116426036] [2024-11-27 23:32:16,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:16,364 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 [2024-11-27 23:32:16,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:16,366 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:16,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:16,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:32:16,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:20,944 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 68 treesize of output 32 [2024-11-27 23:32:20,963 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 70 treesize of output 34 [2024-11-27 23:32:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 4 proven. 224 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:32:21,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:22,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:22,527 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 88 treesize of output 63 [2024-11-27 23:32:23,795 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:23,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116426036] [2024-11-27 23:32:23,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116426036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:23,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1567708688] [2024-11-27 23:32:23,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:23,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:32:23,798 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:32:23,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-27 23:32:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:26,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 23:32:26,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:29,401 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 [2024-11-27 23:32:30,979 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 [2024-11-27 23:32:34,582 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 70 treesize of output 34 [2024-11-27 23:32:34,599 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 68 treesize of output 32 [2024-11-27 23:32:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 4 proven. 224 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:32:34,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:35,368 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 84 treesize of output 72 [2024-11-27 23:32:36,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1567708688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:36,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:32:36,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-27 23:32:36,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413728534] [2024-11-27 23:32:36,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:36,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-27 23:32:36,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:36,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 23:32:36,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1109, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 23:32:36,068 INFO L87 Difference]: Start difference. First operand 574 states and 751 transitions. Second operand has 27 states, 25 states have (on average 5.32) internal successors, (133), 24 states have internal predecessors, (133), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-27 23:32:45,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:45,098 INFO L93 Difference]: Finished difference Result 1888 states and 2463 transitions. [2024-11-27 23:32:45,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:32:45,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.32) internal successors, (133), 24 states have internal predecessors, (133), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 140 [2024-11-27 23:32:45,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:45,102 INFO L225 Difference]: With dead ends: 1888 [2024-11-27 23:32:45,102 INFO L226 Difference]: Without dead ends: 1317 [2024-11-27 23:32:45,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=389, Invalid=2161, Unknown=0, NotChecked=0, Total=2550 [2024-11-27 23:32:45,104 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 691 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:45,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 2294 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-27 23:32:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2024-11-27 23:32:45,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 643. [2024-11-27 23:32:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 570 states have (on average 1.2789473684210526) internal successors, (729), 576 states have internal predecessors, (729), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 49 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-27 23:32:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 839 transitions. [2024-11-27 23:32:45,198 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 839 transitions. Word has length 140 [2024-11-27 23:32:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:45,199 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 839 transitions. [2024-11-27 23:32:45,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.32) internal successors, (133), 24 states have internal predecessors, (133), 8 states have call successors, (28), 8 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-27 23:32:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 839 transitions. [2024-11-27 23:32:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:32:45,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:45,201 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:45,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:45,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-27 23:32:45,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:45,602 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:45,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash 581382862, now seen corresponding path program 1 times [2024-11-27 23:32:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:45,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74817309] [2024-11-27 23:32:45,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:45,603 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 [2024-11-27 23:32:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:45,604 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:45,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Waiting until timeout for monitored process [2024-11-27 23:32:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:46,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:32:46,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-27 23:32:46,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:32:46,184 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:46,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74817309] [2024-11-27 23:32:46,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74817309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:46,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:46,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:32:46,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244186323] [2024-11-27 23:32:46,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:46,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:46,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:46,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:46,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:46,186 INFO L87 Difference]: Start difference. First operand 643 states and 839 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:32:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:46,492 INFO L93 Difference]: Finished difference Result 1277 states and 1666 transitions. [2024-11-27 23:32:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:32:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 140 [2024-11-27 23:32:46,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:46,496 INFO L225 Difference]: With dead ends: 1277 [2024-11-27 23:32:46,496 INFO L226 Difference]: Without dead ends: 633 [2024-11-27 23:32:46,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:46,500 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:46,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 663 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:32:46,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-27 23:32:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 628. [2024-11-27 23:32:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 562 states have (on average 1.2793594306049823) internal successors, (719), 566 states have internal predecessors, (719), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-27 23:32:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 817 transitions. [2024-11-27 23:32:46,613 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 817 transitions. Word has length 140 [2024-11-27 23:32:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:46,613 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 817 transitions. [2024-11-27 23:32:46,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:32:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 817 transitions. [2024-11-27 23:32:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:32:46,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:46,616 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:46,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-27 23:32:46,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:46,816 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:46,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 864229421, now seen corresponding path program 1 times [2024-11-27 23:32:46,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:46,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535501797] [2024-11-27 23:32:46,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:46,819 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:32:46,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:32:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:47,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:32:47,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:48,020 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 [2024-11-27 23:32:48,191 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 [2024-11-27 23:32:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:32:49,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:50,562 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 [2024-11-27 23:32:51,820 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:32:51,820 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 20 treesize of output 19 [2024-11-27 23:32:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:32:52,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:52,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535501797] [2024-11-27 23:32:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535501797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:32:52,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:32:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2024-11-27 23:32:52,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803530713] [2024-11-27 23:32:52,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:32:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:32:52,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:32:52,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:32:52,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:32:52,013 INFO L87 Difference]: Start difference. First operand 628 states and 817 transitions. Second operand has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:33:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:08,640 INFO L93 Difference]: Finished difference Result 1570 states and 2047 transitions. [2024-11-27 23:33:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:33:08,641 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-27 23:33:08,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:08,644 INFO L225 Difference]: With dead ends: 1570 [2024-11-27 23:33:08,644 INFO L226 Difference]: Without dead ends: 945 [2024-11-27 23:33:08,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:33:08,645 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 345 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:08,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1365 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2024-11-27 23:33:08,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-11-27 23:33:08,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 688. [2024-11-27 23:33:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 622 states have (on average 1.2909967845659165) internal successors, (803), 626 states have internal predecessors, (803), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-27 23:33:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 901 transitions. [2024-11-27 23:33:08,738 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 901 transitions. Word has length 140 [2024-11-27 23:33:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:08,739 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 901 transitions. [2024-11-27 23:33:08,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:33:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 901 transitions. [2024-11-27 23:33:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:33:08,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:08,741 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:08,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:08,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:08,942 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:08,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash 46580971, now seen corresponding path program 1 times [2024-11-27 23:33:08,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996227433] [2024-11-27 23:33:08,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:08,943 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 [2024-11-27 23:33:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:08,944 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:08,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:09,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 23:33:09,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:11,411 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 50 treesize of output 38 [2024-11-27 23:33:11,419 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 41 [2024-11-27 23:33:11,425 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 36 treesize of output 24 [2024-11-27 23:33:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:33:20,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:33:27,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:27,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996227433] [2024-11-27 23:33:27,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996227433] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:27,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:33:27,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-27 23:33:27,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835443969] [2024-11-27 23:33:27,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:33:27,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:33:27,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:27,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:33:27,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:33:27,164 INFO L87 Difference]: Start difference. First operand 688 states and 901 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:33:32,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:32,395 INFO L93 Difference]: Finished difference Result 1783 states and 2311 transitions. [2024-11-27 23:33:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:33:32,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:33:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:32,400 INFO L225 Difference]: With dead ends: 1783 [2024-11-27 23:33:32,400 INFO L226 Difference]: Without dead ends: 1082 [2024-11-27 23:33:32,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:33:32,402 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 354 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:32,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1196 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 23:33:32,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-27 23:33:32,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 696. [2024-11-27 23:33:32,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 630 states have (on average 1.2809523809523808) internal successors, (807), 634 states have internal predecessors, (807), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-27 23:33:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 905 transitions. [2024-11-27 23:33:32,498 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 905 transitions. Word has length 140 [2024-11-27 23:33:32,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:32,499 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 905 transitions. [2024-11-27 23:33:32,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:33:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 905 transitions. [2024-11-27 23:33:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:33:32,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:32,501 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:32,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:32,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:32,705 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:32,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:32,705 INFO L85 PathProgramCache]: Analyzing trace with hash 730215915, now seen corresponding path program 1 times [2024-11-27 23:33:32,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:32,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756410590] [2024-11-27 23:33:32,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:32,706 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 [2024-11-27 23:33:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:32,708 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:33,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:33:33,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:34,349 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 [2024-11-27 23:33:34,360 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 [2024-11-27 23:33:34,365 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 [2024-11-27 23:33:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:33:34,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:34,917 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 27 [2024-11-27 23:33:35,184 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 [2024-11-27 23:33:40,115 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:33:40,115 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 20 treesize of output 19 [2024-11-27 23:33:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:33:40,378 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:33:40,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756410590] [2024-11-27 23:33:40,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756410590] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:33:40,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:33:40,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-27 23:33:40,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398451555] [2024-11-27 23:33:40,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:40,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:33:40,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:40,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:33:40,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:33:40,380 INFO L87 Difference]: Start difference. First operand 696 states and 905 transitions. Second operand has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:33:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:48,851 INFO L93 Difference]: Finished difference Result 1903 states and 2438 transitions. [2024-11-27 23:33:48,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 23:33:48,852 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-27 23:33:48,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:33:48,856 INFO L225 Difference]: With dead ends: 1903 [2024-11-27 23:33:48,857 INFO L226 Difference]: Without dead ends: 1202 [2024-11-27 23:33:48,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=291, Invalid=1191, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 23:33:48,858 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 755 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:33:48,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 1689 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-27 23:33:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-11-27 23:33:48,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 988. [2024-11-27 23:33:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 904 states have (on average 1.252212389380531) internal successors, (1132), 911 states have internal predecessors, (1132), 61 states have call successors, (61), 22 states have call predecessors, (61), 22 states have return successors, (61), 54 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-27 23:33:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1254 transitions. [2024-11-27 23:33:49,000 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1254 transitions. Word has length 140 [2024-11-27 23:33:49,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:33:49,001 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1254 transitions. [2024-11-27 23:33:49,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:33:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1254 transitions. [2024-11-27 23:33:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:33:49,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:33:49,003 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:49,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:49,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:49,204 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:33:49,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:49,205 INFO L85 PathProgramCache]: Analyzing trace with hash -87432535, now seen corresponding path program 1 times [2024-11-27 23:33:49,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:33:49,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689516621] [2024-11-27 23:33:49,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:49,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:33:49,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:33:49,207 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:33:49,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:33:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:49,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:33:49,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:51,351 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 43 [2024-11-27 23:33:51,358 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 55 treesize of output 39 [2024-11-27 23:33:51,363 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 50 treesize of output 34 [2024-11-27 23:34:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:34:01,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:34:08,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:34:08,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689516621] [2024-11-27 23:34:08,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689516621] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:08,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:08,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-27 23:34:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547444579] [2024-11-27 23:34:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:08,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:34:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:34:08,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:34:08,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:34:08,375 INFO L87 Difference]: Start difference. First operand 988 states and 1254 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:15,354 INFO L93 Difference]: Finished difference Result 2496 states and 3167 transitions. [2024-11-27 23:34:15,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:34:15,355 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:34:15,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:15,360 INFO L225 Difference]: With dead ends: 2496 [2024-11-27 23:34:15,361 INFO L226 Difference]: Without dead ends: 1489 [2024-11-27 23:34:15,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2024-11-27 23:34:15,363 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 300 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:15,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1348 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-27 23:34:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2024-11-27 23:34:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 950. [2024-11-27 23:34:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 866 states have (on average 1.254041570438799) internal successors, (1086), 873 states have internal predecessors, (1086), 61 states have call successors, (61), 22 states have call predecessors, (61), 22 states have return successors, (61), 54 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-27 23:34:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1208 transitions. [2024-11-27 23:34:15,519 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1208 transitions. Word has length 140 [2024-11-27 23:34:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:15,520 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1208 transitions. [2024-11-27 23:34:15,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1208 transitions. [2024-11-27 23:34:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:34:15,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:15,523 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:15,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:34:15,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:34:15,723 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:15,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:15,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1304089937, now seen corresponding path program 1 times [2024-11-27 23:34:15,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:34:15,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607153411] [2024-11-27 23:34:15,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:15,724 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 [2024-11-27 23:34:15,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:34:15,726 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:34:15,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:34:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:16,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-27 23:34:16,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:17,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-27 23:34:18,692 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 64 treesize of output 48 [2024-11-27 23:34:18,702 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 20 treesize of output 12 [2024-11-27 23:34:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:34:18,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:34:20,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:34:20,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607153411] [2024-11-27 23:34:20,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607153411] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:20,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:20,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 28 [2024-11-27 23:34:20,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293453201] [2024-11-27 23:34:20,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:20,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:34:20,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:34:20,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:34:20,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:34:20,937 INFO L87 Difference]: Start difference. First operand 950 states and 1208 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:26,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:26,514 INFO L93 Difference]: Finished difference Result 2428 states and 3090 transitions. [2024-11-27 23:34:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:34:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:34:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:26,519 INFO L225 Difference]: With dead ends: 2428 [2024-11-27 23:34:26,519 INFO L226 Difference]: Without dead ends: 1475 [2024-11-27 23:34:26,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=248, Invalid=1084, Unknown=0, NotChecked=0, Total=1332 [2024-11-27 23:34:26,520 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 223 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:26,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 1801 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 23:34:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-27 23:34:26,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 950. [2024-11-27 23:34:26,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 866 states have (on average 1.251732101616628) internal successors, (1084), 873 states have internal predecessors, (1084), 61 states have call successors, (61), 22 states have call predecessors, (61), 22 states have return successors, (61), 54 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-27 23:34:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1206 transitions. [2024-11-27 23:34:26,658 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1206 transitions. Word has length 140 [2024-11-27 23:34:26,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:26,659 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1206 transitions. [2024-11-27 23:34:26,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1206 transitions. [2024-11-27 23:34:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:34:26,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:26,662 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:26,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-27 23:34:26,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:34:26,862 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:26,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1969809005, now seen corresponding path program 1 times [2024-11-27 23:34:26,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:34:26,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97383277] [2024-11-27 23:34:26,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:26,863 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 [2024-11-27 23:34:26,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:34:26,865 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:34:26,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:34:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:27,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:34:27,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:27,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-27 23:34:28,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-27 23:34:28,034 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 [2024-11-27 23:34:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:34:28,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:34:28,486 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:34:28,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97383277] [2024-11-27 23:34:28,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97383277] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:34:28,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:34:28,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-27 23:34:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733868445] [2024-11-27 23:34:28,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:34:28,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:34:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:34:28,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:34:28,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:34:28,488 INFO L87 Difference]: Start difference. First operand 950 states and 1206 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:29,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:34:29,627 INFO L93 Difference]: Finished difference Result 2330 states and 2950 transitions. [2024-11-27 23:34:29,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:34:29,628 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:34:29,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:34:29,633 INFO L225 Difference]: With dead ends: 2330 [2024-11-27 23:34:29,633 INFO L226 Difference]: Without dead ends: 1355 [2024-11-27 23:34:29,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:34:29,635 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 94 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:34:29,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1419 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:34:29,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-11-27 23:34:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1306. [2024-11-27 23:34:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1177 states have (on average 1.2497875955819882) internal successors, (1471), 1190 states have internal predecessors, (1471), 91 states have call successors, (91), 37 states have call predecessors, (91), 37 states have return successors, (91), 78 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-27 23:34:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1653 transitions. [2024-11-27 23:34:29,796 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1653 transitions. Word has length 140 [2024-11-27 23:34:29,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:34:29,797 INFO L471 AbstractCegarLoop]: Abstraction has 1306 states and 1653 transitions. [2024-11-27 23:34:29,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:34:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1653 transitions. [2024-11-27 23:34:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:34:29,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:34:29,800 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:34:29,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:34:30,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:34:30,000 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:34:30,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:34:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash -620454993, now seen corresponding path program 1 times [2024-11-27 23:34:30,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:34:30,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608290117] [2024-11-27 23:34:30,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:34:30,002 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 [2024-11-27 23:34:30,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:34:30,003 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:34:30,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:34:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:34:30,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:34:30,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:34:31,533 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 46 treesize of output 34 [2024-11-27 23:34:31,647 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 [2024-11-27 23:34:38,233 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 [2024-11-27 23:34:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:34:47,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:34:56,635 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 27 [2024-11-27 23:34:56,639 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 39 treesize of output 31 [2024-11-27 23:35:02,302 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:35:02,302 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 20 treesize of output 19 [2024-11-27 23:35:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:35:02,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:35:02,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608290117] [2024-11-27 23:35:02,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608290117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:35:02,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:35:02,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-27 23:35:02,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749085167] [2024-11-27 23:35:02,525 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:35:02,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:35:02,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:35:02,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:35:02,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:35:02,527 INFO L87 Difference]: Start difference. First operand 1306 states and 1653 transitions. Second operand has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:36:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:11,426 INFO L93 Difference]: Finished difference Result 2798 states and 3544 transitions. [2024-11-27 23:36:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-27 23:36:11,428 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-27 23:36:11,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:11,434 INFO L225 Difference]: With dead ends: 2798 [2024-11-27 23:36:11,435 INFO L226 Difference]: Without dead ends: 1495 [2024-11-27 23:36:11,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 60.2s TimeCoverageRelationStatistics Valid=381, Invalid=1511, Unknown=0, NotChecked=0, Total=1892 [2024-11-27 23:36:11,438 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 691 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:11,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1721 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 38.8s Time] [2024-11-27 23:36:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-27 23:36:11,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1290. [2024-11-27 23:36:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1161 states have (on average 1.248062015503876) internal successors, (1449), 1174 states have internal predecessors, (1449), 91 states have call successors, (91), 37 states have call predecessors, (91), 37 states have return successors, (91), 78 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-27 23:36:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1631 transitions. [2024-11-27 23:36:11,654 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1631 transitions. Word has length 140 [2024-11-27 23:36:11,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:11,655 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1631 transitions. [2024-11-27 23:36:11,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 23:36:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1631 transitions. [2024-11-27 23:36:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:36:11,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:11,657 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:11,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:11,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:36:11,858 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:36:11,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:11,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1438103443, now seen corresponding path program 1 times [2024-11-27 23:36:11,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:36:11,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424751025] [2024-11-27 23:36:11,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:11,859 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 [2024-11-27 23:36:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:36:11,861 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:36:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:12,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:36:12,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:14,220 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 60 treesize of output 44 [2024-11-27 23:36:14,229 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 46 treesize of output 34 [2024-11-27 23:36:14,235 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 [2024-11-27 23:36:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:36:25,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:36:33,589 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:36:33,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424751025] [2024-11-27 23:36:33,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424751025] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:33,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:33,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2024-11-27 23:36:33,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126643762] [2024-11-27 23:36:33,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:33,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:36:33,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:36:33,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:36:33,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:36:33,591 INFO L87 Difference]: Start difference. First operand 1290 states and 1631 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:40,163 INFO L93 Difference]: Finished difference Result 2573 states and 3254 transitions. [2024-11-27 23:36:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:36:40,164 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:36:40,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:40,168 INFO L225 Difference]: With dead ends: 2573 [2024-11-27 23:36:40,168 INFO L226 Difference]: Without dead ends: 1258 [2024-11-27 23:36:40,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:36:40,169 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 377 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:40,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1040 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:36:40,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2024-11-27 23:36:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1234. [2024-11-27 23:36:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1105 states have (on average 1.2497737556561086) internal successors, (1381), 1118 states have internal predecessors, (1381), 91 states have call successors, (91), 37 states have call predecessors, (91), 37 states have return successors, (91), 78 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-27 23:36:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1563 transitions. [2024-11-27 23:36:40,316 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1563 transitions. Word has length 140 [2024-11-27 23:36:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:40,316 INFO L471 AbstractCegarLoop]: Abstraction has 1234 states and 1563 transitions. [2024-11-27 23:36:40,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:40,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1563 transitions. [2024-11-27 23:36:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:36:40,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:40,318 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:40,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:40,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:36:40,518 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:36:40,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:40,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1778907241, now seen corresponding path program 1 times [2024-11-27 23:36:40,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:36:40,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232124695] [2024-11-27 23:36:40,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:40,519 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 [2024-11-27 23:36:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:36:40,521 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:36:40,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:41,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:36:41,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:43,566 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 61 [2024-11-27 23:36:43,573 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 49 treesize of output 25 [2024-11-27 23:36:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:36:43,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:44,282 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 81 treesize of output 57 [2024-11-27 23:36:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:36:44,393 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:36:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232124695] [2024-11-27 23:36:44,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232124695] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:44,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:44,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-27 23:36:44,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163264561] [2024-11-27 23:36:44,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:44,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:36:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:36:44,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:36:44,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:36:44,395 INFO L87 Difference]: Start difference. First operand 1234 states and 1563 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:45,109 INFO L93 Difference]: Finished difference Result 2688 states and 3413 transitions. [2024-11-27 23:36:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:36:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:36:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:45,116 INFO L225 Difference]: With dead ends: 2688 [2024-11-27 23:36:45,116 INFO L226 Difference]: Without dead ends: 1457 [2024-11-27 23:36:45,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:36:45,118 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 168 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:45,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 414 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:36:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-27 23:36:45,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1238. [2024-11-27 23:36:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1109 states have (on average 1.2452660054102795) internal successors, (1381), 1122 states have internal predecessors, (1381), 91 states have call successors, (91), 37 states have call predecessors, (91), 37 states have return successors, (91), 78 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-27 23:36:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1563 transitions. [2024-11-27 23:36:45,313 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1563 transitions. Word has length 140 [2024-11-27 23:36:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:45,314 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1563 transitions. [2024-11-27 23:36:45,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1563 transitions. [2024-11-27 23:36:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:36:45,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:45,316 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:45,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:45,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:36:45,517 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:36:45,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2037072679, now seen corresponding path program 1 times [2024-11-27 23:36:45,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:36:45,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657929062] [2024-11-27 23:36:45,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:45,518 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 [2024-11-27 23:36:45,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:36:45,520 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:36:45,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:46,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:36:46,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:48,238 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 [2024-11-27 23:36:48,602 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 61 treesize of output 37 [2024-11-27 23:36:48,699 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 97 treesize of output 49 [2024-11-27 23:36:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:36:48,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:36:49,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:36:49,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657929062] [2024-11-27 23:36:49,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657929062] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:49,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:49,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 20 [2024-11-27 23:36:49,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855674527] [2024-11-27 23:36:49,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:49,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:36:49,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:36:49,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:36:49,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:36:49,619 INFO L87 Difference]: Start difference. First operand 1238 states and 1563 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:51,115 INFO L93 Difference]: Finished difference Result 2762 states and 3490 transitions. [2024-11-27 23:36:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:36:51,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:36:51,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:51,121 INFO L225 Difference]: With dead ends: 2762 [2024-11-27 23:36:51,121 INFO L226 Difference]: Without dead ends: 1527 [2024-11-27 23:36:51,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:36:51,123 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 202 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:51,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1328 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:36:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2024-11-27 23:36:51,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 897. [2024-11-27 23:36:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 808 states have (on average 1.2413366336633664) internal successors, (1003), 815 states have internal predecessors, (1003), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 23:36:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1127 transitions. [2024-11-27 23:36:51,279 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1127 transitions. Word has length 140 [2024-11-27 23:36:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:51,279 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1127 transitions. [2024-11-27 23:36:51,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1127 transitions. [2024-11-27 23:36:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:36:51,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:51,280 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:51,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:36:51,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:36:51,480 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:36:51,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:51,481 INFO L85 PathProgramCache]: Analyzing trace with hash 95540527, now seen corresponding path program 1 times [2024-11-27 23:36:51,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:36:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455856897] [2024-11-27 23:36:51,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:51,481 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 [2024-11-27 23:36:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:36:51,483 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:36:51,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:52,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:36:52,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:52,169 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 [2024-11-27 23:36:52,396 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 61 treesize of output 37 [2024-11-27 23:36:52,470 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 70 treesize of output 34 [2024-11-27 23:36:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:36:52,669 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:52,669 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:36:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455856897] [2024-11-27 23:36:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455856897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:36:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:36:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145885498] [2024-11-27 23:36:52,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:36:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:36:52,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:36:52,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:36:52,670 INFO L87 Difference]: Start difference. First operand 897 states and 1127 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:54,105 INFO L93 Difference]: Finished difference Result 2133 states and 2685 transitions. [2024-11-27 23:36:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:36:54,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:36:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:54,110 INFO L225 Difference]: With dead ends: 2133 [2024-11-27 23:36:54,110 INFO L226 Difference]: Without dead ends: 1239 [2024-11-27 23:36:54,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:36:54,113 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 96 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:54,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1750 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:36:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-11-27 23:36:54,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1008. [2024-11-27 23:36:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 919 states have (on average 1.2393906420021763) internal successors, (1139), 926 states have internal predecessors, (1139), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 23:36:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1263 transitions. [2024-11-27 23:36:54,259 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1263 transitions. Word has length 140 [2024-11-27 23:36:54,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:54,260 INFO L471 AbstractCegarLoop]: Abstraction has 1008 states and 1263 transitions. [2024-11-27 23:36:54,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:36:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1263 transitions. [2024-11-27 23:36:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:36:54,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:54,261 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:54,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-27 23:36:54,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:36:54,462 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:36:54,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash 353705965, now seen corresponding path program 1 times [2024-11-27 23:36:54,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:36:54,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300931319] [2024-11-27 23:36:54,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:54,462 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 [2024-11-27 23:36:54,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:36:54,464 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:36:54,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:36:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:55,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:36:55,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:59,148 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 85 treesize of output 49 [2024-11-27 23:36:59,155 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 73 treesize of output 37 [2024-11-27 23:36:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-27 23:36:59,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:36:59,960 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:36:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300931319] [2024-11-27 23:36:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300931319] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:59,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-27 23:36:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86219956] [2024-11-27 23:36:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:59,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:36:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:36:59,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:36:59,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:36:59,962 INFO L87 Difference]: Start difference. First operand 1008 states and 1263 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:00,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:00,623 INFO L93 Difference]: Finished difference Result 2224 states and 2793 transitions. [2024-11-27 23:37:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:37:00,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:37:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:00,630 INFO L225 Difference]: With dead ends: 2224 [2024-11-27 23:37:00,630 INFO L226 Difference]: Without dead ends: 1219 [2024-11-27 23:37:00,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:37:00,632 INFO L435 NwaCegarLoop]: 251 mSDtfsCounter, 162 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:00,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 624 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:37:00,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-11-27 23:37:00,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1008. [2024-11-27 23:37:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 919 states have (on average 1.2350380848748639) internal successors, (1135), 926 states have internal predecessors, (1135), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 23:37:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1259 transitions. [2024-11-27 23:37:00,782 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1259 transitions. Word has length 140 [2024-11-27 23:37:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:00,782 INFO L471 AbstractCegarLoop]: Abstraction has 1008 states and 1259 transitions. [2024-11-27 23:37:00,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1259 transitions. [2024-11-27 23:37:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:37:00,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:00,783 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:00,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-27 23:37:00,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:37:00,984 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:37:00,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash 118172781, now seen corresponding path program 1 times [2024-11-27 23:37:00,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:37:00,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113289823] [2024-11-27 23:37:00,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:00,985 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 [2024-11-27 23:37:00,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:37:00,987 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:37:00,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:01,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:37:01,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:04,474 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 66 [2024-11-27 23:37:04,480 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 126 treesize of output 66 [2024-11-27 23:37:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:37:04,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:37:05,241 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:37:05,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113289823] [2024-11-27 23:37:05,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113289823] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:05,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:37:05,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-27 23:37:05,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313407895] [2024-11-27 23:37:05,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:05,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:37:05,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:37:05,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:37:05,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:37:05,243 INFO L87 Difference]: Start difference. First operand 1008 states and 1259 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:05,938 INFO L93 Difference]: Finished difference Result 2224 states and 2785 transitions. [2024-11-27 23:37:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:37:05,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:37:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:05,944 INFO L225 Difference]: With dead ends: 2224 [2024-11-27 23:37:05,944 INFO L226 Difference]: Without dead ends: 1219 [2024-11-27 23:37:05,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:37:05,946 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 172 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:05,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 416 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:37:05,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-11-27 23:37:06,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1008. [2024-11-27 23:37:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 919 states have (on average 1.2263329706202395) internal successors, (1127), 926 states have internal predecessors, (1127), 62 states have call successors, (62), 26 states have call predecessors, (62), 26 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 23:37:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1251 transitions. [2024-11-27 23:37:06,106 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1251 transitions. Word has length 140 [2024-11-27 23:37:06,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:06,107 INFO L471 AbstractCegarLoop]: Abstraction has 1008 states and 1251 transitions. [2024-11-27 23:37:06,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1251 transitions. [2024-11-27 23:37:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:37:06,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:06,109 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:06,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-27 23:37:06,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:37:06,310 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:37:06,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:06,310 INFO L85 PathProgramCache]: Analyzing trace with hash 376338219, now seen corresponding path program 1 times [2024-11-27 23:37:06,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:37:06,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230565089] [2024-11-27 23:37:06,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:06,311 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 [2024-11-27 23:37:06,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:37:06,313 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:37:06,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:07,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 23:37:07,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:08,888 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 [2024-11-27 23:37:09,627 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 61 treesize of output 37 [2024-11-27 23:37:09,743 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 97 treesize of output 49 [2024-11-27 23:37:10,024 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:37:10,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:37:11,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:37:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230565089] [2024-11-27 23:37:11,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230565089] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:11,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:37:11,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 23 [2024-11-27 23:37:11,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668361961] [2024-11-27 23:37:11,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:11,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:37:11,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:37:11,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:37:11,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:37:11,357 INFO L87 Difference]: Start difference. First operand 1008 states and 1251 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:14,986 INFO L93 Difference]: Finished difference Result 2307 states and 2887 transitions. [2024-11-27 23:37:14,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:37:14,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-27 23:37:14,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:14,991 INFO L225 Difference]: With dead ends: 2307 [2024-11-27 23:37:14,991 INFO L226 Difference]: Without dead ends: 1302 [2024-11-27 23:37:14,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2024-11-27 23:37:14,993 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 203 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:14,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 2060 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:37:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-11-27 23:37:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 747. [2024-11-27 23:37:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 691 states have (on average 1.2141823444283646) internal successors, (839), 694 states have internal predecessors, (839), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:37:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 917 transitions. [2024-11-27 23:37:15,104 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 917 transitions. Word has length 140 [2024-11-27 23:37:15,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:15,105 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 917 transitions. [2024-11-27 23:37:15,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:37:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 917 transitions. [2024-11-27 23:37:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 23:37:15,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:15,107 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:15,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Ended with exit code 0 [2024-11-27 23:37:15,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:37:15,307 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:37:15,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:15,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2000338994, now seen corresponding path program 1 times [2024-11-27 23:37:15,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:37:15,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812376409] [2024-11-27 23:37:15,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:15,309 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 [2024-11-27 23:37:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:37:15,311 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:37:15,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:16,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:37:16,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:37:16,089 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:37:16,089 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:37:16,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812376409] [2024-11-27 23:37:16,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812376409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:16,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:16,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:37:16,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739032258] [2024-11-27 23:37:16,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:16,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:37:16,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:37:16,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:37:16,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:37:16,091 INFO L87 Difference]: Start difference. First operand 747 states and 917 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:37:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:16,244 INFO L93 Difference]: Finished difference Result 1491 states and 1831 transitions. [2024-11-27 23:37:16,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:37:16,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 140 [2024-11-27 23:37:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:16,248 INFO L225 Difference]: With dead ends: 1491 [2024-11-27 23:37:16,248 INFO L226 Difference]: Without dead ends: 747 [2024-11-27 23:37:16,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:37:16,250 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:16,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:37:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-27 23:37:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2024-11-27 23:37:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 691 states have (on average 1.2127351664254704) internal successors, (838), 694 states have internal predecessors, (838), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:37:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 916 transitions. [2024-11-27 23:37:16,363 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 916 transitions. Word has length 140 [2024-11-27 23:37:16,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:16,364 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 916 transitions. [2024-11-27 23:37:16,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 23:37:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 916 transitions. [2024-11-27 23:37:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 23:37:16,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:16,366 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:16,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:16,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:37:16,570 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:37:16,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash -490870448, now seen corresponding path program 1 times [2024-11-27 23:37:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:37:16,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416131165] [2024-11-27 23:37:16,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:16,571 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 [2024-11-27 23:37:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:37:16,574 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:37:16,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:17,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:37:17,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-27 23:37:17,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:37:17,373 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:37:17,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416131165] [2024-11-27 23:37:17,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416131165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:37:17,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:37:17,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:37:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860608207] [2024-11-27 23:37:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:37:17,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:37:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:37:17,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:37:17,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:37:17,374 INFO L87 Difference]: Start difference. First operand 747 states and 916 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:37:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:37:17,705 INFO L93 Difference]: Finished difference Result 1493 states and 1832 transitions. [2024-11-27 23:37:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:37:17,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 142 [2024-11-27 23:37:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:37:17,709 INFO L225 Difference]: With dead ends: 1493 [2024-11-27 23:37:17,709 INFO L226 Difference]: Without dead ends: 747 [2024-11-27 23:37:17,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:37:17,715 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:37:17,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 650 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:37:17,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-27 23:37:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2024-11-27 23:37:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 691 states have (on average 1.211287988422576) internal successors, (837), 694 states have internal predecessors, (837), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:37:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 915 transitions. [2024-11-27 23:37:17,880 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 915 transitions. Word has length 142 [2024-11-27 23:37:17,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:37:17,881 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 915 transitions. [2024-11-27 23:37:17,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:37:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 915 transitions. [2024-11-27 23:37:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-27 23:37:17,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:37:17,883 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:37:17,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:18,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:37:18,084 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:37:18,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:37:18,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1586466450, now seen corresponding path program 1 times [2024-11-27 23:37:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:37:18,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212782656] [2024-11-27 23:37:18,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:18,085 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 [2024-11-27 23:37:18,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:37:18,089 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:37:18,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:37:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:18,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:37:18,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:20,623 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 [2024-11-27 23:37:20,920 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 61 treesize of output 37 [2024-11-27 23:37:21,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 47 [2024-11-27 23:37:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 4 proven. 192 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:37:21,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:21,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:37:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212782656] [2024-11-27 23:37:21,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212782656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:21,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1874952272] [2024-11-27 23:37:21,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:37:21,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:37:21,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:37:21,974 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:37:21,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-27 23:37:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:37:25,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-27 23:37:25,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:37:29,076 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 [2024-11-27 23:37:31,770 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 [2024-11-27 23:37:35,476 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 68 treesize of output 32 [2024-11-27 23:37:36,153 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 [2024-11-27 23:37:37,128 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 61 treesize of output 37 [2024-11-27 23:37:37,454 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 100 treesize of output 52 [2024-11-27 23:37:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 4 proven. 224 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:37:37,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:37:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1874952272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:37:38,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:37:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 24] total 35 [2024-11-27 23:37:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946472903] [2024-11-27 23:37:38,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:37:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-27 23:37:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:37:38,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-27 23:37:38,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1613, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 23:37:38,283 INFO L87 Difference]: Start difference. First operand 747 states and 915 transitions. Second operand has 36 states, 33 states have (on average 4.575757575757576) internal successors, (151), 32 states have internal predecessors, (151), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-27 23:38:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:12,468 INFO L93 Difference]: Finished difference Result 3040 states and 3747 transitions. [2024-11-27 23:38:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-27 23:38:12,469 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 4.575757575757576) internal successors, (151), 32 states have internal predecessors, (151), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) Word has length 142 [2024-11-27 23:38:12,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:12,476 INFO L225 Difference]: With dead ends: 3040 [2024-11-27 23:38:12,477 INFO L226 Difference]: Without dead ends: 2296 [2024-11-27 23:38:12,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 307 SyntacticMatches, 4 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2800 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=1145, Invalid=8557, Unknown=0, NotChecked=0, Total=9702 [2024-11-27 23:38:12,481 INFO L435 NwaCegarLoop]: 264 mSDtfsCounter, 1004 mSDsluCounter, 5487 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 5751 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:12,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 5751 Invalid, 3856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [185 Valid, 3671 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2024-11-27 23:38:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2296 states. [2024-11-27 23:38:12,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2296 to 621. [2024-11-27 23:38:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 564 states have (on average 1.2109929078014185) internal successors, (683), 568 states have internal predecessors, (683), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:38:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 761 transitions. [2024-11-27 23:38:12,630 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 761 transitions. Word has length 142 [2024-11-27 23:38:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:12,630 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 761 transitions. [2024-11-27 23:38:12,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 4.575757575757576) internal successors, (151), 32 states have internal predecessors, (151), 7 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 5 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-27 23:38:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 761 transitions. [2024-11-27 23:38:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 23:38:12,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:12,632 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:12,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-27 23:38:12,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-27 23:38:13,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:13,033 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash 249786525, now seen corresponding path program 1 times [2024-11-27 23:38:13,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:13,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357434794] [2024-11-27 23:38:13,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:13,034 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 [2024-11-27 23:38:13,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:13,035 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:13,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-27 23:38:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:13,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:38:13,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:14,397 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 14 [2024-11-27 23:38:14,712 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 [2024-11-27 23:38:14,716 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 55 treesize of output 35 [2024-11-27 23:38:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:38:14,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:15,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357434794] [2024-11-27 23:38:15,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357434794] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:15,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:15,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:38:15,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732951134] [2024-11-27 23:38:15,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:15,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:15,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:15,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:15,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:38:15,110 INFO L87 Difference]: Start difference. First operand 621 states and 761 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:16,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:16,002 INFO L93 Difference]: Finished difference Result 1267 states and 1556 transitions. [2024-11-27 23:38:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:16,003 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-27 23:38:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:16,004 INFO L225 Difference]: With dead ends: 1267 [2024-11-27 23:38:16,004 INFO L226 Difference]: Without dead ends: 649 [2024-11-27 23:38:16,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:16,005 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 64 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:16,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 542 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:38:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-27 23:38:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 629. [2024-11-27 23:38:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 572 states have (on average 1.2080419580419581) internal successors, (691), 576 states have internal predecessors, (691), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:38:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 769 transitions. [2024-11-27 23:38:16,091 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 769 transitions. Word has length 145 [2024-11-27 23:38:16,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:16,092 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 769 transitions. [2024-11-27 23:38:16,092 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 769 transitions. [2024-11-27 23:38:16,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 23:38:16,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:16,093 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:16,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Ended with exit code 0 [2024-11-27 23:38:16,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:16,299 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:16,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash 247939483, now seen corresponding path program 1 times [2024-11-27 23:38:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:16,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558097602] [2024-11-27 23:38:16,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:16,300 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 [2024-11-27 23:38:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:16,303 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:16,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-11-27 23:38:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:17,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:38:17,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:17,704 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 28 treesize of output 20 [2024-11-27 23:38:17,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:38:18,019 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 [2024-11-27 23:38:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:38:18,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:18,241 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:18,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558097602] [2024-11-27 23:38:18,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558097602] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:18,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:18,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-27 23:38:18,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269480569] [2024-11-27 23:38:18,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:18,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:38:18,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:18,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:38:18,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:18,242 INFO L87 Difference]: Start difference. First operand 629 states and 769 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:18,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:18,350 INFO L93 Difference]: Finished difference Result 1255 states and 1535 transitions. [2024-11-27 23:38:18,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:38:18,351 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-27 23:38:18,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:18,354 INFO L225 Difference]: With dead ends: 1255 [2024-11-27 23:38:18,354 INFO L226 Difference]: Without dead ends: 629 [2024-11-27 23:38:18,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:38:18,355 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:18,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:18,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-27 23:38:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2024-11-27 23:38:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 572 states have (on average 1.201048951048951) internal successors, (687), 576 states have internal predecessors, (687), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:38:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 765 transitions. [2024-11-27 23:38:18,455 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 765 transitions. Word has length 145 [2024-11-27 23:38:18,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:18,456 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 765 transitions. [2024-11-27 23:38:18,456 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 765 transitions. [2024-11-27 23:38:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 23:38:18,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:18,457 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:18,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Ended with exit code 0 [2024-11-27 23:38:18,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:18,657 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:18,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:18,657 INFO L85 PathProgramCache]: Analyzing trace with hash 949004061, now seen corresponding path program 1 times [2024-11-27 23:38:18,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:18,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752760918] [2024-11-27 23:38:18,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:18,658 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 [2024-11-27 23:38:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:18,660 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:18,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-11-27 23:38:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:19,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:38:19,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:20,097 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 14 [2024-11-27 23:38:20,431 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 [2024-11-27 23:38:20,435 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 55 treesize of output 35 [2024-11-27 23:38:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:38:20,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:21,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:21,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752760918] [2024-11-27 23:38:21,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752760918] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:21,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:21,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-27 23:38:21,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679660520] [2024-11-27 23:38:21,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:21,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:38:21,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:21,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:38:21,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:38:21,021 INFO L87 Difference]: Start difference. First operand 629 states and 765 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:21,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:21,806 INFO L93 Difference]: Finished difference Result 675 states and 819 transitions. [2024-11-27 23:38:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:21,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-27 23:38:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:21,811 INFO L225 Difference]: With dead ends: 675 [2024-11-27 23:38:21,811 INFO L226 Difference]: Without dead ends: 673 [2024-11-27 23:38:21,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:38:21,812 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 68 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:21,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 704 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:38:21,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-27 23:38:21,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 488. [2024-11-27 23:38:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 436 states have (on average 1.2224770642201834) internal successors, (533), 439 states have internal predecessors, (533), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:38:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 603 transitions. [2024-11-27 23:38:21,933 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 603 transitions. Word has length 145 [2024-11-27 23:38:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:21,933 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 603 transitions. [2024-11-27 23:38:21,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 603 transitions. [2024-11-27 23:38:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 23:38:21,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:21,934 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:21,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Ended with exit code 0 [2024-11-27 23:38:22,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:22,135 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:22,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:22,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1569108831, now seen corresponding path program 1 times [2024-11-27 23:38:22,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:22,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412551722] [2024-11-27 23:38:22,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:22,136 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 [2024-11-27 23:38:22,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:22,138 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:22,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2024-11-27 23:38:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:22,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 23:38:22,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:23,510 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 14 [2024-11-27 23:38:23,718 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 33 treesize of output 29 [2024-11-27 23:38:24,089 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 61 treesize of output 45 [2024-11-27 23:38:24,096 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 [2024-11-27 23:38:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:38:24,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:25,105 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:25,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412551722] [2024-11-27 23:38:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412551722] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 22 [2024-11-27 23:38:25,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731093499] [2024-11-27 23:38:25,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:25,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:38:25,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:25,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:38:25,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:38:25,107 INFO L87 Difference]: Start difference. First operand 488 states and 603 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:26,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:26,715 INFO L93 Difference]: Finished difference Result 1138 states and 1391 transitions. [2024-11-27 23:38:26,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:38:26,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-27 23:38:26,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:26,719 INFO L225 Difference]: With dead ends: 1138 [2024-11-27 23:38:26,719 INFO L226 Difference]: Without dead ends: 676 [2024-11-27 23:38:26,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:38:26,721 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 65 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:26,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1385 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 23:38:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-27 23:38:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 582. [2024-11-27 23:38:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 530 states have (on average 1.1962264150943396) internal successors, (634), 533 states have internal predecessors, (634), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:38:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 704 transitions. [2024-11-27 23:38:26,845 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 704 transitions. Word has length 145 [2024-11-27 23:38:26,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:26,846 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 704 transitions. [2024-11-27 23:38:26,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 704 transitions. [2024-11-27 23:38:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:38:26,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:26,848 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:26,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2024-11-27 23:38:27,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:27,048 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:27,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash 128501005, now seen corresponding path program 1 times [2024-11-27 23:38:27,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:27,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317593941] [2024-11-27 23:38:27,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:27,051 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 [2024-11-27 23:38:27,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:27,053 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:27,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2024-11-27 23:38:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:28,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:38:28,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:29,046 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 [2024-11-27 23:38:29,126 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 23 treesize of output 15 [2024-11-27 23:38:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:38:30,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:32,787 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 [2024-11-27 23:38:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:33,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:33,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317593941] [2024-11-27 23:38:33,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317593941] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:33,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:33,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-27 23:38:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74021352] [2024-11-27 23:38:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:33,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:38:33,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:33,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:38:33,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:38:33,359 INFO L87 Difference]: Start difference. First operand 582 states and 704 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:36,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:36,413 INFO L93 Difference]: Finished difference Result 1303 states and 1565 transitions. [2024-11-27 23:38:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:38:36,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 147 [2024-11-27 23:38:36,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:36,416 INFO L225 Difference]: With dead ends: 1303 [2024-11-27 23:38:36,416 INFO L226 Difference]: Without dead ends: 747 [2024-11-27 23:38:36,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:38:36,417 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 175 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:36,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 961 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:38:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-27 23:38:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 663. [2024-11-27 23:38:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 611 states have (on average 1.1734860883797054) internal successors, (717), 614 states have internal predecessors, (717), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:38:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 787 transitions. [2024-11-27 23:38:36,511 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 787 transitions. Word has length 147 [2024-11-27 23:38:36,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:36,511 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 787 transitions. [2024-11-27 23:38:36,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 787 transitions. [2024-11-27 23:38:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:38:36,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:36,513 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:36,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Ended with exit code 0 [2024-11-27 23:38:36,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:36,714 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:36,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:36,714 INFO L85 PathProgramCache]: Analyzing trace with hash -458305009, now seen corresponding path program 1 times [2024-11-27 23:38:36,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:36,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966388248] [2024-11-27 23:38:36,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,715 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 [2024-11-27 23:38:36,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:36,718 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:36,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-11-27 23:38:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:37,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 23:38:37,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:38,744 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 [2024-11-27 23:38:38,753 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 20 treesize of output 12 [2024-11-27 23:38:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-27 23:38:40,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 23:38:42,483 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:42,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966388248] [2024-11-27 23:38:42,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966388248] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:42,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:42,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-27 23:38:42,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858478208] [2024-11-27 23:38:42,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:42,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:42,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:42,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:42,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:38:42,485 INFO L87 Difference]: Start difference. First operand 663 states and 787 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:44,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:44,405 INFO L93 Difference]: Finished difference Result 1553 states and 1839 transitions. [2024-11-27 23:38:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:38:44,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 147 [2024-11-27 23:38:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:44,410 INFO L225 Difference]: With dead ends: 1553 [2024-11-27 23:38:44,410 INFO L226 Difference]: Without dead ends: 916 [2024-11-27 23:38:44,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:38:44,411 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 200 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:44,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 679 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:38:44,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-11-27 23:38:44,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 663. [2024-11-27 23:38:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 611 states have (on average 1.1702127659574468) internal successors, (715), 614 states have internal predecessors, (715), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:38:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 785 transitions. [2024-11-27 23:38:44,497 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 785 transitions. Word has length 147 [2024-11-27 23:38:44,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:44,498 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 785 transitions. [2024-11-27 23:38:44,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 23:38:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 785 transitions. [2024-11-27 23:38:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 23:38:44,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:44,499 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:44,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-11-27 23:38:44,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:38:44,699 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:44,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash -177279669, now seen corresponding path program 1 times [2024-11-27 23:38:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:38:44,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281877122] [2024-11-27 23:38:44,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:44,700 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 [2024-11-27 23:38:44,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:38:44,702 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-27 23:38:44,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e248196d-b425-455d-ac8b-558e29f6edae/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2024-11-27 23:38:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:45,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 23:38:45,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:46,173 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 [2024-11-27 23:38:46,852 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 [2024-11-27 23:38:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-27 23:38:48,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:49,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-27 23:38:51,456 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-27 23:38:51,456 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 20 treesize of output 19 [2024-11-27 23:38:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 23:38:51,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:38:51,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281877122] [2024-11-27 23:38:51,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281877122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:51,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:38:51,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2024-11-27 23:38:51,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287061606] [2024-11-27 23:38:51,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:51,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:38:51,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:38:51,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:38:51,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:38:51,701 INFO L87 Difference]: Start difference. First operand 663 states and 785 transitions. Second operand has 18 states, 16 states have (on average 6.1875) internal successors, (99), 18 states have internal predecessors, (99), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28)