./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.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_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/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_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/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_4db0d3f7-dfe6-4709-91a0-053723661664/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 4522b5a66b3d4f8ef554f40c788320876b54a222975236df0306e3759009899d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:53:32,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:53:32,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:53:32,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:53:32,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:53:32,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:53:32,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:53:32,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:53:32,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:53:32,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:53:32,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:53:32,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:53:32,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:53:32,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:53:32,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:53:32,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:53:32,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:53:32,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:53:32,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:32,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:53:32,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:32,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:53:32,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:53:32,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:53:32,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:53:32,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:53:32,224 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_4db0d3f7-dfe6-4709-91a0-053723661664/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 -> 4522b5a66b3d4f8ef554f40c788320876b54a222975236df0306e3759009899d [2024-11-28 03:53:32,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:53:32,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:53:32,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:53:32,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:53:32,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:53:32,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:53:35,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/20a17a426/986d06902c224f3084c8c44a2fc68706/FLAGfeae5b1e2 [2024-11-28 03:53:35,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:53:35,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:53:35,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/20a17a426/986d06902c224f3084c8c44a2fc68706/FLAGfeae5b1e2 [2024-11-28 03:53:36,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/20a17a426/986d06902c224f3084c8c44a2fc68706 [2024-11-28 03:53:36,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:53:36,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:53:36,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:36,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:53:36,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:53:36,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703cb574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36, skipping insertion in model container [2024-11-28 03:53:36,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:53:36,273 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_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i[917,930] [2024-11-28 03:53:36,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:36,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:53:36,409 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_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i[917,930] [2024-11-28 03:53:36,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:36,467 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:53:36,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36 WrapperNode [2024-11-28 03:53:36,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:36,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:36,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:53:36,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:53:36,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,543 INFO L138 Inliner]: procedures = 29, calls = 131, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 423 [2024-11-28 03:53:36,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:36,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:53:36,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:53:36,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:53:36,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,602 INFO L175 MemorySlicer]: Split 103 memory accesses to 7 slices as follows [2, 13, 18, 8, 45, 11, 6]. 44 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 2, 1, 4, 1, 1]. The 15 writes are split as follows [0, 2, 2, 1, 5, 3, 2]. [2024-11-28 03:53:36,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,634 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:53:36,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:53:36,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:53:36,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:53:36,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (1/1) ... [2024-11-28 03:53:36,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:36,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:53:36,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:53:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 03:53:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 03:53:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 03:53:36,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:53:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:53:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:53:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:53:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:53:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:53:36,954 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:53:36,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:53:37,485 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-28 03:53:37,485 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:53:37,496 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:53:37,497 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:53:37,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:37 BoogieIcfgContainer [2024-11-28 03:53:37,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:53:37,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:53:37,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:53:37,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:53:37,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:53:36" (1/3) ... [2024-11-28 03:53:37,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672034ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:37, skipping insertion in model container [2024-11-28 03:53:37,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:36" (2/3) ... [2024-11-28 03:53:37,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@672034ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:37, skipping insertion in model container [2024-11-28 03:53:37,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:37" (3/3) ... [2024-11-28 03:53:37,508 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:53:37,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:53:37,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-79.i that has 2 procedures, 95 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:53:37,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:53:37,640 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;@7b53a29c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:53:37,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:53:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:53:37,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:37,659 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:37,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:37,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:37,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2025508539, now seen corresponding path program 1 times [2024-11-28 03:53:37,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:37,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173093890] [2024-11-28 03:53:37,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:37,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 03:53:38,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:38,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173093890] [2024-11-28 03:53:38,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173093890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:53:38,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11984941] [2024-11-28 03:53:38,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:38,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:38,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:53:38,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:53:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:38,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:53:38,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:53:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 03:53:38,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:53:38,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11984941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:38,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:53:38,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:53:38,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774770875] [2024-11-28 03:53:38,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:38,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:53:38,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:38,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:53:38,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:53:38,493 INFO L87 Difference]: Start difference. First operand has 95 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:38,533 INFO L93 Difference]: Finished difference Result 183 states and 281 transitions. [2024-11-28 03:53:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:53:38,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2024-11-28 03:53:38,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:38,545 INFO L225 Difference]: With dead ends: 183 [2024-11-28 03:53:38,545 INFO L226 Difference]: Without dead ends: 91 [2024-11-28 03:53:38,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:53:38,555 INFO L435 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:38,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-28 03:53:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-28 03:53:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2024-11-28 03:53:38,598 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 101 [2024-11-28 03:53:38,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:38,598 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2024-11-28 03:53:38,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2024-11-28 03:53:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:53:38,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:38,602 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:38,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:53:38,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:53:38,807 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:38,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:38,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1202698245, now seen corresponding path program 1 times [2024-11-28 03:53:38,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659596381] [2024-11-28 03:53:38,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:39,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:39,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659596381] [2024-11-28 03:53:39,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659596381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:39,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:39,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:53:39,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107814713] [2024-11-28 03:53:39,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:39,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:39,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:39,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:39,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:39,190 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:39,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:39,256 INFO L93 Difference]: Finished difference Result 181 states and 262 transitions. [2024-11-28 03:53:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:39,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2024-11-28 03:53:39,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:39,259 INFO L225 Difference]: With dead ends: 181 [2024-11-28 03:53:39,260 INFO L226 Difference]: Without dead ends: 93 [2024-11-28 03:53:39,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:39,262 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:39,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 376 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-28 03:53:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-28 03:53:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2024-11-28 03:53:39,278 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 101 [2024-11-28 03:53:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:39,279 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2024-11-28 03:53:39,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-28 03:53:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:53:39,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:39,282 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:39,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:53:39,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:39,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1213138105, now seen corresponding path program 1 times [2024-11-28 03:53:39,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:39,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285077003] [2024-11-28 03:53:39,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:39,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:53:39,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:39,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285077003] [2024-11-28 03:53:39,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285077003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:53:39,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069768482] [2024-11-28 03:53:39,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:39,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:39,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:39,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:53:39,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:53:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:40,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:53:40,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:53:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:40,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:53:40,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069768482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:40,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:53:40,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 03:53:40,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763050560] [2024-11-28 03:53:40,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:40,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:40,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:40,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:40,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:53:40,215 INFO L87 Difference]: Start difference. First operand 93 states and 133 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:40,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:40,285 INFO L93 Difference]: Finished difference Result 186 states and 267 transitions. [2024-11-28 03:53:40,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:40,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2024-11-28 03:53:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:40,287 INFO L225 Difference]: With dead ends: 186 [2024-11-28 03:53:40,288 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 03:53:40,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:53:40,295 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 1 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:40,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 375 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:40,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 03:53:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-28 03:53:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2024-11-28 03:53:40,315 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 135 transitions. Word has length 101 [2024-11-28 03:53:40,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:40,320 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 135 transitions. [2024-11-28 03:53:40,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2024-11-28 03:53:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:53:40,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:40,323 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:40,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:53:40,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:40,523 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:40,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1211291063, now seen corresponding path program 1 times [2024-11-28 03:53:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:40,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922082560] [2024-11-28 03:53:40,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:53:40,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:40,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922082560] [2024-11-28 03:53:40,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922082560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:53:40,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479430171] [2024-11-28 03:53:40,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:40,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:40,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:40,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:53:40,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:53:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:41,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:53:41,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:53:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:41,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:53:41,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479430171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:41,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:53:41,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 03:53:41,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683661161] [2024-11-28 03:53:41,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:41,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:41,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:41,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:41,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:53:41,336 INFO L87 Difference]: Start difference. First operand 95 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:41,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:41,379 INFO L93 Difference]: Finished difference Result 189 states and 270 transitions. [2024-11-28 03:53:41,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:41,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2024-11-28 03:53:41,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:41,385 INFO L225 Difference]: With dead ends: 189 [2024-11-28 03:53:41,385 INFO L226 Difference]: Without dead ends: 97 [2024-11-28 03:53:41,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:53:41,390 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:41,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 376 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:41,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-28 03:53:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-28 03:53:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2024-11-28 03:53:41,407 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 101 [2024-11-28 03:53:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:41,407 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2024-11-28 03:53:41,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-28 03:53:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:53:41,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:41,411 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:41,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:53:41,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:41,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:41,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:41,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2064880860, now seen corresponding path program 1 times [2024-11-28 03:53:41,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:41,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848726505] [2024-11-28 03:53:41,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:41,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:42,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:42,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848726505] [2024-11-28 03:53:42,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848726505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:42,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:42,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:42,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627612371] [2024-11-28 03:53:42,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:42,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:42,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:42,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:42,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:42,197 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:42,317 INFO L93 Difference]: Finished difference Result 221 states and 310 transitions. [2024-11-28 03:53:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:42,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-28 03:53:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:42,319 INFO L225 Difference]: With dead ends: 221 [2024-11-28 03:53:42,322 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 03:53:42,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:42,324 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 35 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:42,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 545 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:53:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 03:53:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99. [2024-11-28 03:53:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 139 transitions. [2024-11-28 03:53:42,342 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 139 transitions. Word has length 103 [2024-11-28 03:53:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:42,342 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 139 transitions. [2024-11-28 03:53:42,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2024-11-28 03:53:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 03:53:42,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:42,346 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:42,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:53:42,346 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:42,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:42,347 INFO L85 PathProgramCache]: Analyzing trace with hash 261437402, now seen corresponding path program 1 times [2024-11-28 03:53:42,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:42,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752616681] [2024-11-28 03:53:42,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:44,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:44,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752616681] [2024-11-28 03:53:44,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752616681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:44,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:44,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:53:44,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638163524] [2024-11-28 03:53:44,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:44,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:53:44,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:44,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:53:44,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:53:44,099 INFO L87 Difference]: Start difference. First operand 99 states and 139 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:45,549 INFO L93 Difference]: Finished difference Result 626 states and 873 transitions. [2024-11-28 03:53:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 03:53:45,553 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2024-11-28 03:53:45,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:45,556 INFO L225 Difference]: With dead ends: 626 [2024-11-28 03:53:45,556 INFO L226 Difference]: Without dead ends: 530 [2024-11-28 03:53:45,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:53:45,561 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 831 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:45,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 1392 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:53:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-28 03:53:45,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 347. [2024-11-28 03:53:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 310 states have (on average 1.3838709677419354) internal successors, (429), 312 states have internal predecessors, (429), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 493 transitions. [2024-11-28 03:53:45,620 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 493 transitions. Word has length 104 [2024-11-28 03:53:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:45,620 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 493 transitions. [2024-11-28 03:53:45,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 493 transitions. [2024-11-28 03:53:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:53:45,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:45,622 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:45,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:53:45,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:45,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1039852224, now seen corresponding path program 1 times [2024-11-28 03:53:45,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:45,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876850522] [2024-11-28 03:53:45,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:45,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:47,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876850522] [2024-11-28 03:53:47,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876850522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:47,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:47,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:53:47,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974161432] [2024-11-28 03:53:47,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:47,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:53:47,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:47,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:53:47,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:53:47,014 INFO L87 Difference]: Start difference. First operand 347 states and 493 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:47,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:47,743 INFO L93 Difference]: Finished difference Result 951 states and 1344 transitions. [2024-11-28 03:53:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:53:47,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-28 03:53:47,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:47,759 INFO L225 Difference]: With dead ends: 951 [2024-11-28 03:53:47,759 INFO L226 Difference]: Without dead ends: 607 [2024-11-28 03:53:47,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:53:47,762 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 174 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:47,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 802 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:53:47,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-28 03:53:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 347. [2024-11-28 03:53:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 310 states have (on average 1.3838709677419354) internal successors, (429), 312 states have internal predecessors, (429), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 493 transitions. [2024-11-28 03:53:47,850 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 493 transitions. Word has length 105 [2024-11-28 03:53:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:47,851 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 493 transitions. [2024-11-28 03:53:47,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 493 transitions. [2024-11-28 03:53:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:53:47,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:47,854 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:47,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:53:47,854 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:47,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:47,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1245149780, now seen corresponding path program 1 times [2024-11-28 03:53:47,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:47,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161900987] [2024-11-28 03:53:47,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:47,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:48,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:48,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161900987] [2024-11-28 03:53:48,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161900987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:48,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:48,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:53:48,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743415263] [2024-11-28 03:53:48,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:48,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:53:48,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:48,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:53:48,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:48,331 INFO L87 Difference]: Start difference. First operand 347 states and 493 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:48,635 INFO L93 Difference]: Finished difference Result 967 states and 1367 transitions. [2024-11-28 03:53:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:48,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-28 03:53:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:48,643 INFO L225 Difference]: With dead ends: 967 [2024-11-28 03:53:48,644 INFO L226 Difference]: Without dead ends: 623 [2024-11-28 03:53:48,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:53:48,646 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 80 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:48,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 727 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:53:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-28 03:53:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 387. [2024-11-28 03:53:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 350 states have (on average 1.3828571428571428) internal successors, (484), 352 states have internal predecessors, (484), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 548 transitions. [2024-11-28 03:53:48,698 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 548 transitions. Word has length 106 [2024-11-28 03:53:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:48,699 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 548 transitions. [2024-11-28 03:53:48,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 548 transitions. [2024-11-28 03:53:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:53:48,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:48,701 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:48,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:53:48,702 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:48,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:48,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1694498068, now seen corresponding path program 1 times [2024-11-28 03:53:48,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:48,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91101666] [2024-11-28 03:53:48,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:48,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:48,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:48,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91101666] [2024-11-28 03:53:48,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91101666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:48,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:48,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:48,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995433247] [2024-11-28 03:53:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:48,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:48,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:48,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:48,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:48,945 INFO L87 Difference]: Start difference. First operand 387 states and 548 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:49,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:49,046 INFO L93 Difference]: Finished difference Result 869 states and 1222 transitions. [2024-11-28 03:53:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:49,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-28 03:53:49,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:49,050 INFO L225 Difference]: With dead ends: 869 [2024-11-28 03:53:49,050 INFO L226 Difference]: Without dead ends: 485 [2024-11-28 03:53:49,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:49,052 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 44 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:49,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 534 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:49,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-28 03:53:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 379. [2024-11-28 03:53:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 342 states have (on average 1.3625730994152048) internal successors, (466), 344 states have internal predecessors, (466), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 530 transitions. [2024-11-28 03:53:49,107 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 530 transitions. Word has length 106 [2024-11-28 03:53:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:49,108 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 530 transitions. [2024-11-28 03:53:49,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 530 transitions. [2024-11-28 03:53:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 03:53:49,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:49,111 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:49,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:53:49,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:49,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1144390814, now seen corresponding path program 1 times [2024-11-28 03:53:49,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:49,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208043828] [2024-11-28 03:53:49,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:49,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:49,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208043828] [2024-11-28 03:53:49,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208043828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:49,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:49,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:53:49,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229638887] [2024-11-28 03:53:49,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:49,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:49,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:49,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:49,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:49,378 INFO L87 Difference]: Start difference. First operand 379 states and 530 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:49,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:49,447 INFO L93 Difference]: Finished difference Result 723 states and 1013 transitions. [2024-11-28 03:53:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:53:49,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2024-11-28 03:53:49,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:49,451 INFO L225 Difference]: With dead ends: 723 [2024-11-28 03:53:49,452 INFO L226 Difference]: Without dead ends: 347 [2024-11-28 03:53:49,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:49,455 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:49,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:49,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-28 03:53:49,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 338. [2024-11-28 03:53:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 301 states have (on average 1.345514950166113) internal successors, (405), 303 states have internal predecessors, (405), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 469 transitions. [2024-11-28 03:53:49,515 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 469 transitions. Word has length 106 [2024-11-28 03:53:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:49,515 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 469 transitions. [2024-11-28 03:53:49,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 469 transitions. [2024-11-28 03:53:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:53:49,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:49,520 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:49,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:53:49,520 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:49,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1000204766, now seen corresponding path program 1 times [2024-11-28 03:53:49,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:49,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925997970] [2024-11-28 03:53:49,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:49,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925997970] [2024-11-28 03:53:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925997970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:50,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:53:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108230489] [2024-11-28 03:53:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:50,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:53:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:50,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:53:50,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:53:50,139 INFO L87 Difference]: Start difference. First operand 338 states and 469 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:50,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:50,681 INFO L93 Difference]: Finished difference Result 805 states and 1114 transitions. [2024-11-28 03:53:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:53:50,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2024-11-28 03:53:50,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:50,688 INFO L225 Difference]: With dead ends: 805 [2024-11-28 03:53:50,688 INFO L226 Difference]: Without dead ends: 470 [2024-11-28 03:53:50,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:53:50,690 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 306 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:50,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 706 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:53:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-28 03:53:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 348. [2024-11-28 03:53:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 311 states have (on average 1.3408360128617363) internal successors, (417), 313 states have internal predecessors, (417), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 481 transitions. [2024-11-28 03:53:50,761 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 481 transitions. Word has length 107 [2024-11-28 03:53:50,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:50,762 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 481 transitions. [2024-11-28 03:53:50,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 481 transitions. [2024-11-28 03:53:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:53:50,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:50,765 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:50,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:53:50,765 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:50,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1335213979, now seen corresponding path program 1 times [2024-11-28 03:53:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:50,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064339902] [2024-11-28 03:53:50,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:50,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:50,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064339902] [2024-11-28 03:53:50,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064339902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:50,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:50,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:50,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125883784] [2024-11-28 03:53:50,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:50,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:50,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:50,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:50,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:50,994 INFO L87 Difference]: Start difference. First operand 348 states and 481 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:51,289 INFO L93 Difference]: Finished difference Result 868 states and 1197 transitions. [2024-11-28 03:53:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:51,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-28 03:53:51,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:51,293 INFO L225 Difference]: With dead ends: 868 [2024-11-28 03:53:51,293 INFO L226 Difference]: Without dead ends: 523 [2024-11-28 03:53:51,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:51,298 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 38 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:51,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 362 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:53:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-28 03:53:51,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 415. [2024-11-28 03:53:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 378 states have (on average 1.3386243386243386) internal successors, (506), 380 states have internal predecessors, (506), 32 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 03:53:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 570 transitions. [2024-11-28 03:53:51,373 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 570 transitions. Word has length 107 [2024-11-28 03:53:51,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:51,374 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 570 transitions. [2024-11-28 03:53:51,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 570 transitions. [2024-11-28 03:53:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:53:51,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:51,377 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:51,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:53:51,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:51,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1922019993, now seen corresponding path program 1 times [2024-11-28 03:53:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:51,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75581971] [2024-11-28 03:53:51,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:53:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75581971] [2024-11-28 03:53:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75581971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:53:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26513290] [2024-11-28 03:53:52,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:52,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:52,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:53:52,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:53:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:52,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:53:52,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:53:52,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:53:53,745 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 [2024-11-28 03:53:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:53:53,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:53:54,303 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 27 [2024-11-28 03:53:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:53:54,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26513290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:53:54,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:53:54,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 21 [2024-11-28 03:53:54,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530368202] [2024-11-28 03:53:54,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:53:54,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 03:53:54,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:54,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 03:53:54,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:53:54,377 INFO L87 Difference]: Start difference. First operand 415 states and 570 transitions. Second operand has 21 states, 18 states have (on average 7.666666666666667) internal successors, (138), 20 states have internal predecessors, (138), 9 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 6 states have call predecessors, (33), 9 states have call successors, (33) [2024-11-28 03:53:55,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:55,051 INFO L93 Difference]: Finished difference Result 693 states and 955 transitions. [2024-11-28 03:53:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:53:55,052 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.666666666666667) internal successors, (138), 20 states have internal predecessors, (138), 9 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 6 states have call predecessors, (33), 9 states have call successors, (33) Word has length 107 [2024-11-28 03:53:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:55,055 INFO L225 Difference]: With dead ends: 693 [2024-11-28 03:53:55,055 INFO L226 Difference]: Without dead ends: 281 [2024-11-28 03:53:55,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2024-11-28 03:53:55,057 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 405 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:55,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 656 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:53:55,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-28 03:53:55,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 119. [2024-11-28 03:53:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 104 states have internal predecessors, (135), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 157 transitions. [2024-11-28 03:53:55,083 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 157 transitions. Word has length 107 [2024-11-28 03:53:55,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:55,084 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 157 transitions. [2024-11-28 03:53:55,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.666666666666667) internal successors, (138), 20 states have internal predecessors, (138), 9 states have call successors, (33), 4 states have call predecessors, (33), 6 states have return successors, (33), 6 states have call predecessors, (33), 9 states have call successors, (33) [2024-11-28 03:53:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 157 transitions. [2024-11-28 03:53:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:53:55,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:55,086 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:55,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:53:55,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:53:55,290 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:55,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1681660435, now seen corresponding path program 1 times [2024-11-28 03:53:55,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:55,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073289268] [2024-11-28 03:53:55,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:56,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:56,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073289268] [2024-11-28 03:53:56,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073289268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:56,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:56,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:53:56,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690346932] [2024-11-28 03:53:56,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:56,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:53:56,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:56,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:53:56,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:53:56,104 INFO L87 Difference]: Start difference. First operand 119 states and 157 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:56,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:56,588 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2024-11-28 03:53:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:53:56,589 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-28 03:53:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:56,591 INFO L225 Difference]: With dead ends: 297 [2024-11-28 03:53:56,592 INFO L226 Difference]: Without dead ends: 181 [2024-11-28 03:53:56,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:53:56,593 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 225 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:56,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 297 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:53:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-28 03:53:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2024-11-28 03:53:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 135 states have internal predecessors, (175), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 197 transitions. [2024-11-28 03:53:56,632 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 197 transitions. Word has length 108 [2024-11-28 03:53:56,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:56,632 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 197 transitions. [2024-11-28 03:53:56,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:53:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2024-11-28 03:53:56,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:53:56,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:56,635 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:56,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:53:56,635 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:56,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:56,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2026500847, now seen corresponding path program 1 times [2024-11-28 03:53:56,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:56,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272254156] [2024-11-28 03:53:56,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:56,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:53:56,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272254156] [2024-11-28 03:53:56,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272254156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:56,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:56,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:53:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543632315] [2024-11-28 03:53:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:56,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:53:56,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:56,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:53:56,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:53:56,895 INFO L87 Difference]: Start difference. First operand 150 states and 197 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:56,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:53:56,971 INFO L93 Difference]: Finished difference Result 297 states and 391 transitions. [2024-11-28 03:53:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:56,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-28 03:53:56,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:53:56,975 INFO L225 Difference]: With dead ends: 297 [2024-11-28 03:53:56,975 INFO L226 Difference]: Without dead ends: 150 [2024-11-28 03:53:56,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:53:56,976 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 39 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:53:56,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 414 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:53:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-28 03:53:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-28 03:53:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 135 states have (on average 1.2666666666666666) internal successors, (171), 135 states have internal predecessors, (171), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:53:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 193 transitions. [2024-11-28 03:53:57,005 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 193 transitions. Word has length 108 [2024-11-28 03:53:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:53:57,006 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 193 transitions. [2024-11-28 03:53:57,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:53:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 193 transitions. [2024-11-28 03:53:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:53:57,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:53:57,008 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:57,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:53:57,008 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:53:57,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:57,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2122612556, now seen corresponding path program 1 times [2024-11-28 03:53:57,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:57,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057337455] [2024-11-28 03:53:57,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:53:57,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458273833] [2024-11-28 03:53:57,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:57,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:53:57,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:57,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:53:57,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:53:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:57,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 03:53:57,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:53:58,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:53:58,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:53:58,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:53:58,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-28 03:53:58,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-28 03:53:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:53:58,911 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:53:59,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:59,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057337455] [2024-11-28 03:53:59,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:53:59,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458273833] [2024-11-28 03:53:59,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458273833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:53:59,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:53:59,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:53:59,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490920305] [2024-11-28 03:53:59,562 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:53:59,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:53:59,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:59,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:53:59,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:53:59,564 INFO L87 Difference]: Start difference. First operand 150 states and 193 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:00,401 INFO L93 Difference]: Finished difference Result 358 states and 461 transitions. [2024-11-28 03:54:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:54:00,402 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-11-28 03:54:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:00,404 INFO L225 Difference]: With dead ends: 358 [2024-11-28 03:54:00,404 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 03:54:00,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:54:00,405 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 167 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:00,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 668 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:54:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 03:54:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 183. [2024-11-28 03:54:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 168 states have (on average 1.2619047619047619) internal successors, (212), 168 states have internal predecessors, (212), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-28 03:54:00,427 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 110 [2024-11-28 03:54:00,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:00,428 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-28 03:54:00,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-28 03:54:00,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:54:00,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:00,430 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:00,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:54:00,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 03:54:00,634 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:00,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:00,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1372957360, now seen corresponding path program 1 times [2024-11-28 03:54:00,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:00,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841725874] [2024-11-28 03:54:00,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:00,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:00,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204087257] [2024-11-28 03:54:00,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:00,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:00,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:00,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:00,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:54:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:01,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-28 03:54:01,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:01,063 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 7 treesize of output 3 [2024-11-28 03:54:02,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:02,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:02,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:02,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-28 03:54:02,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:02,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:02,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:54:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:54:03,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:03,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:03,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841725874] [2024-11-28 03:54:03,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:03,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204087257] [2024-11-28 03:54:03,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204087257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:03,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:03,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:54:03,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560861416] [2024-11-28 03:54:03,801 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:03,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:54:03,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:03,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:54:03,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:54:03,803 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:05,091 INFO L93 Difference]: Finished difference Result 432 states and 557 transitions. [2024-11-28 03:54:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:54:05,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-11-28 03:54:05,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:05,096 INFO L225 Difference]: With dead ends: 432 [2024-11-28 03:54:05,096 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 03:54:05,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=142, Invalid=560, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:54:05,098 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 210 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:05,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 677 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 539 Invalid, 11 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:54:05,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 03:54:05,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 211. [2024-11-28 03:54:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 196 states have (on average 1.2653061224489797) internal successors, (248), 196 states have internal predecessors, (248), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 270 transitions. [2024-11-28 03:54:05,123 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 270 transitions. Word has length 110 [2024-11-28 03:54:05,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:05,124 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 270 transitions. [2024-11-28 03:54:05,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 270 transitions. [2024-11-28 03:54:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:54:05,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:05,127 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:05,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:54:05,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:54:05,328 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:05,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:05,328 INFO L85 PathProgramCache]: Analyzing trace with hash 786151346, now seen corresponding path program 1 times [2024-11-28 03:54:05,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:05,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720850678] [2024-11-28 03:54:05,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720850678] [2024-11-28 03:54:06,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720850678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:06,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:06,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 03:54:06,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413703635] [2024-11-28 03:54:06,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:06,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:54:06,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:06,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:54:06,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:54:06,233 INFO L87 Difference]: Start difference. First operand 211 states and 270 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 03:54:06,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:06,734 INFO L93 Difference]: Finished difference Result 455 states and 584 transitions. [2024-11-28 03:54:06,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:54:06,734 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 110 [2024-11-28 03:54:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:06,736 INFO L225 Difference]: With dead ends: 455 [2024-11-28 03:54:06,736 INFO L226 Difference]: Without dead ends: 247 [2024-11-28 03:54:06,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:54:06,737 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 245 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:06,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 542 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:06,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-28 03:54:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 211. [2024-11-28 03:54:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 196 states have (on average 1.2448979591836735) internal successors, (244), 196 states have internal predecessors, (244), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 266 transitions. [2024-11-28 03:54:06,761 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 266 transitions. Word has length 110 [2024-11-28 03:54:06,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:06,762 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 266 transitions. [2024-11-28 03:54:06,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 03:54:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 266 transitions. [2024-11-28 03:54:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:06,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:06,767 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:06,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:54:06,767 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:06,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:06,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2042884438, now seen corresponding path program 1 times [2024-11-28 03:54:06,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:06,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122554007] [2024-11-28 03:54:06,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:06,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886385551] [2024-11-28 03:54:06,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:06,838 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:06,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:54:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:07,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:54:07,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:07,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:07,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:08,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-28 03:54:08,361 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 [2024-11-28 03:54:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:54:08,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:08,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:08,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122554007] [2024-11-28 03:54:08,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886385551] [2024-11-28 03:54:08,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886385551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:08,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:08,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:54:08,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884893974] [2024-11-28 03:54:08,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:08,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:54:08,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:08,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:54:08,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:54:08,917 INFO L87 Difference]: Start difference. First operand 211 states and 266 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:09,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:09,889 INFO L93 Difference]: Finished difference Result 460 states and 580 transitions. [2024-11-28 03:54:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:54:09,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-28 03:54:09,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:09,891 INFO L225 Difference]: With dead ends: 460 [2024-11-28 03:54:09,892 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 03:54:09,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:54:09,894 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 238 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:09,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 574 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:54:09,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 03:54:09,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 227. [2024-11-28 03:54:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 212 states have (on average 1.240566037735849) internal successors, (263), 212 states have internal predecessors, (263), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 285 transitions. [2024-11-28 03:54:09,924 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 285 transitions. Word has length 111 [2024-11-28 03:54:09,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:09,925 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 285 transitions. [2024-11-28 03:54:09,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 285 transitions. [2024-11-28 03:54:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:09,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:09,928 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:09,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:54:10,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:10,129 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:10,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash -820772203, now seen corresponding path program 1 times [2024-11-28 03:54:10,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:10,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700721351] [2024-11-28 03:54:10,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:10,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:10,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700721351] [2024-11-28 03:54:10,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700721351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:10,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:10,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:54:10,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478795257] [2024-11-28 03:54:10,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:10,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:54:10,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:10,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:54:10,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:10,907 INFO L87 Difference]: Start difference. First operand 227 states and 285 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:11,175 INFO L93 Difference]: Finished difference Result 232 states and 290 transitions. [2024-11-28 03:54:11,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:54:11,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-28 03:54:11,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:11,177 INFO L225 Difference]: With dead ends: 232 [2024-11-28 03:54:11,177 INFO L226 Difference]: Without dead ends: 230 [2024-11-28 03:54:11,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:54:11,179 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:11,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 579 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:54:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-28 03:54:11,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-28 03:54:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 215 states have (on average 1.2372093023255815) internal successors, (266), 215 states have internal predecessors, (266), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 288 transitions. [2024-11-28 03:54:11,206 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 288 transitions. Word has length 111 [2024-11-28 03:54:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:11,207 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 288 transitions. [2024-11-28 03:54:11,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 288 transitions. [2024-11-28 03:54:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:11,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:11,209 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:11,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:54:11,210 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:11,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:11,210 INFO L85 PathProgramCache]: Analyzing trace with hash -818925161, now seen corresponding path program 1 times [2024-11-28 03:54:11,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:11,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398027228] [2024-11-28 03:54:11,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:11,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:54:11,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:11,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398027228] [2024-11-28 03:54:11,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398027228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:11,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917906979] [2024-11-28 03:54:11,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:11,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:11,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:11,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:11,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:54:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:11,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:54:11,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:11,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:11,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917906979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:11,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:11,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-28 03:54:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857986473] [2024-11-28 03:54:11,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:11,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:11,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:11,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:11,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:11,753 INFO L87 Difference]: Start difference. First operand 230 states and 288 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:11,804 INFO L93 Difference]: Finished difference Result 460 states and 577 transitions. [2024-11-28 03:54:11,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:54:11,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-28 03:54:11,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:11,806 INFO L225 Difference]: With dead ends: 460 [2024-11-28 03:54:11,806 INFO L226 Difference]: Without dead ends: 233 [2024-11-28 03:54:11,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:54:11,809 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:11,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-28 03:54:11,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-28 03:54:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 218 states have (on average 1.2339449541284404) internal successors, (269), 218 states have internal predecessors, (269), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 291 transitions. [2024-11-28 03:54:11,834 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 291 transitions. Word has length 111 [2024-11-28 03:54:11,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:11,834 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 291 transitions. [2024-11-28 03:54:11,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 291 transitions. [2024-11-28 03:54:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:11,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:11,836 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:11,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:54:12,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:12,037 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:12,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash -873593326, now seen corresponding path program 1 times [2024-11-28 03:54:12,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:12,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804268582] [2024-11-28 03:54:12,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:12,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:12,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:12,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804268582] [2024-11-28 03:54:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804268582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:12,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:12,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:54:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745484807] [2024-11-28 03:54:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:12,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:54:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:12,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:54:12,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:12,487 INFO L87 Difference]: Start difference. First operand 233 states and 291 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:12,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:12,959 INFO L93 Difference]: Finished difference Result 508 states and 633 transitions. [2024-11-28 03:54:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:12,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-28 03:54:12,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:12,962 INFO L225 Difference]: With dead ends: 508 [2024-11-28 03:54:12,962 INFO L226 Difference]: Without dead ends: 278 [2024-11-28 03:54:12,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:54:12,968 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 170 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:12,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 371 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:12,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-28 03:54:13,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 220. [2024-11-28 03:54:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 205 states have (on average 1.224390243902439) internal successors, (251), 205 states have internal predecessors, (251), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 273 transitions. [2024-11-28 03:54:13,003 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 273 transitions. Word has length 111 [2024-11-28 03:54:13,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:13,004 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 273 transitions. [2024-11-28 03:54:13,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 273 transitions. [2024-11-28 03:54:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:13,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:13,006 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:13,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:54:13,006 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:13,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:13,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1801929114, now seen corresponding path program 1 times [2024-11-28 03:54:13,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:13,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005506564] [2024-11-28 03:54:13,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:13,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:13,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:13,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005506564] [2024-11-28 03:54:13,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005506564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:13,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:13,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:54:13,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708898992] [2024-11-28 03:54:13,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:13,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:54:13,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:13,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:54:13,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:54:13,388 INFO L87 Difference]: Start difference. First operand 220 states and 273 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:13,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:13,841 INFO L93 Difference]: Finished difference Result 467 states and 579 transitions. [2024-11-28 03:54:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:54:13,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-28 03:54:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:13,843 INFO L225 Difference]: With dead ends: 467 [2024-11-28 03:54:13,843 INFO L226 Difference]: Without dead ends: 250 [2024-11-28 03:54:13,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:54:13,845 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 165 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:13,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 466 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-28 03:54:13,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 220. [2024-11-28 03:54:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 205 states have internal predecessors, (249), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 271 transitions. [2024-11-28 03:54:13,873 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 271 transitions. Word has length 111 [2024-11-28 03:54:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:13,873 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 271 transitions. [2024-11-28 03:54:13,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 271 transitions. [2024-11-28 03:54:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:54:13,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:13,875 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:13,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:54:13,876 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:13,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash -785653014, now seen corresponding path program 1 times [2024-11-28 03:54:13,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:13,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442146216] [2024-11-28 03:54:13,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:13,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064106816] [2024-11-28 03:54:13,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:13,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:13,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:13,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:13,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:54:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:14,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 03:54:14,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:15,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:15,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:16,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:16,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-28 03:54:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:54:16,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:16,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2024-11-28 03:54:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:54:16,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:17,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:54:17,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442146216] [2024-11-28 03:54:17,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:54:17,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064106816] [2024-11-28 03:54:17,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064106816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:17,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:17,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:54:17,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126015910] [2024-11-28 03:54:17,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:17,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:54:17,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:54:17,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:54:17,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:54:17,248 INFO L87 Difference]: Start difference. First operand 220 states and 271 transitions. Second operand has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:18,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:18,534 INFO L93 Difference]: Finished difference Result 460 states and 566 transitions. [2024-11-28 03:54:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:54:18,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-28 03:54:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:18,536 INFO L225 Difference]: With dead ends: 460 [2024-11-28 03:54:18,536 INFO L226 Difference]: Without dead ends: 243 [2024-11-28 03:54:18,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=142, Invalid=560, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:54:18,537 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 114 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:18,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 803 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 566 Invalid, 8 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:54:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-28 03:54:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 218. [2024-11-28 03:54:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 203 states have (on average 1.2167487684729064) internal successors, (247), 203 states have internal predecessors, (247), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 269 transitions. [2024-11-28 03:54:18,577 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 269 transitions. Word has length 111 [2024-11-28 03:54:18,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:18,577 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 269 transitions. [2024-11-28 03:54:18,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 11 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 269 transitions. [2024-11-28 03:54:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 03:54:18,578 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:18,579 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:18,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 03:54:18,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:18,783 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:18,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1636201285, now seen corresponding path program 1 times [2024-11-28 03:54:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:54:18,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903871735] [2024-11-28 03:54:18,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:18,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:54:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:54:18,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402180003] [2024-11-28 03:54:18,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:18,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:18,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:54:18,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 03:54:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:54:19,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:54:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:54:19,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:54:19,443 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:54:19,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:54:19,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:19,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:54:19,652 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:19,841 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:54:19,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:54:19 BoogieIcfgContainer [2024-11-28 03:54:19,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:54:19,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:54:19,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:54:19,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:54:19,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:37" (3/4) ... [2024-11-28 03:54:19,855 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:54:19,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:54:19,857 INFO L158 Benchmark]: Toolchain (without parser) took 43805.68ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 118.1MB in the beginning and 514.3MB in the end (delta: -396.2MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-11-28 03:54:19,857 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.99ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 103.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.10ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: Boogie Preprocessor took 116.38ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: RCFGBuilder took 836.75ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 65.8MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: TraceAbstraction took 42348.10ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 65.1MB in the beginning and 514.4MB in the end (delta: -449.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-28 03:54:19,858 INFO L158 Benchmark]: Witness Printer took 7.90ms. Allocated memory is still 629.1MB. Free memory was 514.4MB in the beginning and 514.3MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:54:19,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.99ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 103.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.10ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.38ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 836.75ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 65.8MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 42348.10ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 65.1MB in the beginning and 514.4MB in the end (delta: -449.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Witness Printer took 7.90ms. Allocated memory is still 629.1MB. Free memory was 514.4MB in the beginning and 514.3MB in the end (delta: 85.8kB). 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 91, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer = &(BOOL_unsigned_char_Array_0[0]); [L26] unsigned char* BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer = &(BOOL_unsigned_char_Array_0[1]); [L27-L29] double double_Array_0[2] = { 1.6, 32.5 }; [L27-L29] double double_Array_0[2] = { 1.6, 32.5 }; [L27-L29] double double_Array_0[2] = { 1.6, 32.5 }; [L30] double* double_Array_0_arraydouble_Array_0arrayVar0_Pointer = &(double_Array_0[0]); [L31] double* double_Array_0_arraydouble_Array_0arrayVar1_Pointer = &(double_Array_0[1]); [L32-L34] float float_Array_0[1] = { 15.5 }; [L32-L34] float float_Array_0[1] = { 15.5 }; [L35] float* float_Array_0_arrayfloat_Array_0arrayVar0_Pointer = &(float_Array_0[0]); [L36-L38] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L36-L38] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L36-L38] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L36-L38] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L36-L38] signed char signed_char_Array_0[2][2] = { {64, 0}, {64, -16} }; [L39] signed char* signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer = &(signed_char_Array_0[0][0]); [L40] signed char* signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer = &(signed_char_Array_0[1][0]); [L41] signed char* signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer = &(signed_char_Array_0[0][1]); [L42] signed char* signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer = &(signed_char_Array_0[1][1]); [L43-L45] signed long int signed_long_int_Array_0[1] = { -64 }; [L43-L45] signed long int signed_long_int_Array_0[1] = { -64 }; [L46] signed long int* signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer = &(signed_long_int_Array_0[0]); [L47-L49] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L47-L49] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L50] unsigned short int* unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer = &(unsigned_short_int_Array_0[0]); [L51] unsigned short int last_1_unsigned_short_int_Array_0_0_ = 32; VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=0, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L103] EXPR unsigned_short_int_Array_0[0] [L103] last_1_unsigned_short_int_Array_0_0_ = unsigned_short_int_Array_0[0] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L83] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L84] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L84] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L84] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L85] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L85] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L85] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L86] double_Array_0[0] = __VERIFIER_nondet_double() [L87] EXPR double_Array_0[0] [L87] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L87] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L87] EXPR double_Array_0[0] [L87] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L87] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L87] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L87] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L87] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L88] double_Array_0[1] = __VERIFIER_nondet_double() [L89] EXPR double_Array_0[1] [L89] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L89] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L89] EXPR double_Array_0[1] [L89] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L89] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L89] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L89] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L89] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L90] float_Array_0[0] = __VERIFIER_nondet_float() [L91] EXPR float_Array_0[0] [L91] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L91] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L91] EXPR float_Array_0[0] [L91] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L91] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L91] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L91] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L91] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L92] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L93] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L93] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L93] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L94] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L94] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L94] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L95] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L96] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L96] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L96] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L97] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L97] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L97] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L98] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L99] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L99] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L99] RET assume_abort_if_not(signed_char_Array_0[0][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L100] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L100] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, \old(cond)=1, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L100] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L114] RET updateVariables() [L115] CALL step() [L55] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L55] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_) [L55] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L55] signed long int stepLocal_0 = ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_)); [L56] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer) [L56] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L56] EXPR last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, stepLocal_0=32, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L56] COND TRUE stepLocal_0 <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)))) [L57] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L57] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L57] COND FALSE !((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) [L60] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L60] (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) = (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) [L65] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) [L65] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L65] signed long int stepLocal_1 = (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)); [L66] EXPR \read(*float_Array_0_arrayfloat_Array_0arrayVar0_Pointer) [L66] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L66] COND FALSE !((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) [L73] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer) [L73] (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) = (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)) [L74] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L74] COND TRUE ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) [L75] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L75] COND TRUE ! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) [L76] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L76] (*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) = ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1 [L106] EXPR \read(*BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16)))))) [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer) [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) [L106] EXPR (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16)))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_) [L106] EXPR (((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer) [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) [L106] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar1_Pointer) [L106] EXPR \read(*double_Array_0_arraydouble_Array_0arrayVar0_Pointer) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) [L106] EXPR \read(*signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer) [L106] EXPR \read(*signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer) [L106] EXPR ((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))))) && (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) <= (~ ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) % -32))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR (((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))))) && (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) <= (~ ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) % -32))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))))) && (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) <= (~ ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) % -32))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1)) && ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106] EXPR ((((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))))) && (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) <= (~ ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) % -32))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1)) && ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)))) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L106-L107] return ((((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((! (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer))) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer)) + -32))) : ((*(signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer)) == ((signed char) ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) - (((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) < (16)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (16))))))) : 1) && (((((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) > (last_1_unsigned_short_int_Array_0_0_)) ? ((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))) : (last_1_unsigned_short_int_Array_0_0_))) <= ((*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)) * (last_1_unsigned_short_int_Array_0_0_ >> (*(signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer))))) ? (((- (*(double_Array_0_arraydouble_Array_0arrayVar1_Pointer))) >= (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer)))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) == ((signed long int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))))) && (((*(float_Array_0_arrayfloat_Array_0arrayVar0_Pointer)) < (*(double_Array_0_arraydouble_Array_0arrayVar0_Pointer))) ? ((((*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)) + (*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer))) <= (~ ((*(signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer)) % -32))) ? ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer)))) : ((*(unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer)) == ((unsigned short int) (*(signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer))))) : 1)) && ((*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer)) == ((unsigned char) (*(BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer)))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer={4:0}, BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer={4:1}, double_Array_0={5:0}, double_Array_0_arraydouble_Array_0arrayVar0_Pointer={5:0}, double_Array_0_arraydouble_Array_0arrayVar1_Pointer={5:8}, float_Array_0={6:0}, float_Array_0_arrayfloat_Array_0arrayVar0_Pointer={6:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0_=32, signed_char_Array_0={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer={7:0}, signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer={7:2}, signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer={7:1}, signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer={7:3}, signed_long_int_Array_0={8:0}, signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer={8:0}, unsigned_short_int_Array_0={9:0}, unsigned_short_int_Array_0_arrayunsigned_short_int_Array_0Var0_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.1s, OverallIterations: 25, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 3594 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3593 mSDsluCounter, 13173 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10137 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4763 IncrementalHoareTripleChecker+Invalid, 5014 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 3036 mSDtfsCounter, 4763 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1437 GetRequests, 1156 SyntacticMatches, 4 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=415occurred in iteration=12, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 1489 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 3754 NumberOfCodeBlocks, 3754 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 3165 ConstructedInterpolants, 2 QuantifiedInterpolants, 18195 SizeOfPredicates, 46 NumberOfNonLiveVariables, 3965 ConjunctsInSsa, 172 ConjunctsInUnsatCore, 30 InterpolantComputations, 19 PerfectInterpolantSequences, 6081/6600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:54:19,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/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_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/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_4db0d3f7-dfe6-4709-91a0-053723661664/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 4522b5a66b3d4f8ef554f40c788320876b54a222975236df0306e3759009899d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:54:22,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:54:22,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:54:22,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:54:22,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:54:22,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:54:22,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:54:22,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:54:22,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:54:22,699 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:54:22,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:54:22,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:54:22,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:54:22,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:54:22,701 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:54:22,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:54:22,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:54:22,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:54:22,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:54:22,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:54:22,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:54:22,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:22,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:54:22,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:22,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:54:22,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:54:22,705 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_4db0d3f7-dfe6-4709-91a0-053723661664/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 -> 4522b5a66b3d4f8ef554f40c788320876b54a222975236df0306e3759009899d [2024-11-28 03:54:23,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:54:23,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:54:23,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:54:23,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:54:23,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:54:23,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:54:26,059 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/062500fff/7e0a01a9fdf84cd29522cb6ac8107cec/FLAG54f95e529 [2024-11-28 03:54:26,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:54:26,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:54:26,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/062500fff/7e0a01a9fdf84cd29522cb6ac8107cec/FLAG54f95e529 [2024-11-28 03:54:26,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/data/062500fff/7e0a01a9fdf84cd29522cb6ac8107cec [2024-11-28 03:54:26,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:54:26,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:54:26,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:26,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:54:26,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:54:26,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:26,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41710372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26, skipping insertion in model container [2024-11-28 03:54:26,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:26,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:54:26,815 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_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i[917,930] [2024-11-28 03:54:26,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:26,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:54:26,911 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_4db0d3f7-dfe6-4709-91a0-053723661664/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-79.i[917,930] [2024-11-28 03:54:26,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:54:26,979 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:54:26,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26 WrapperNode [2024-11-28 03:54:26,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:54:26,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:26,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:54:26,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:54:26,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,053 INFO L138 Inliner]: procedures = 39, calls = 131, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2024-11-28 03:54:27,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:54:27,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:54:27,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:54:27,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:54:27,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,072 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,108 INFO L175 MemorySlicer]: Split 103 memory accesses to 7 slices as follows [2, 13, 18, 8, 45, 11, 6]. 44 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 2, 2, 1, 4, 1, 1]. The 15 writes are split as follows [0, 2, 2, 1, 5, 3, 2]. [2024-11-28 03:54:27,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:54:27,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:54:27,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:54:27,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:54:27,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (1/1) ... [2024-11-28 03:54:27,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:54:27,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:54:27,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:54:27,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:54:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:54:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 03:54:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 03:54:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 03:54:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 03:54:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 03:54:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 03:54:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 03:54:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 03:54:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 03:54:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 03:54:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 03:54:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 03:54:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 03:54:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 03:54:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 03:54:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 03:54:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 03:54:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 03:54:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 03:54:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 03:54:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 03:54:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 03:54:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 03:54:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 03:54:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 03:54:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:54:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:54:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 03:54:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 03:54:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 03:54:27,568 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:54:27,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:54:28,749 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-28 03:54:28,749 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:54:28,763 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:54:28,763 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:54:28,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:28 BoogieIcfgContainer [2024-11-28 03:54:28,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:54:28,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:54:28,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:54:28,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:54:28,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:54:26" (1/3) ... [2024-11-28 03:54:28,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1f575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:28, skipping insertion in model container [2024-11-28 03:54:28,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:54:26" (2/3) ... [2024-11-28 03:54:28,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1f575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:54:28, skipping insertion in model container [2024-11-28 03:54:28,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:54:28" (3/3) ... [2024-11-28 03:54:28,777 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-79.i [2024-11-28 03:54:28,796 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:54:28,798 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-79.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:54:28,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:54:28,884 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;@7dd4a1ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:54:28,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:54:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 03:54:28,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:28,909 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:28,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:28,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 503815468, now seen corresponding path program 1 times [2024-11-28 03:54:28,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:28,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128820847] [2024-11-28 03:54:28,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:28,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:28,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:28,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:28,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:54:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:29,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:54:29,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-28 03:54:29,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:29,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:29,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128820847] [2024-11-28 03:54:29,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128820847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:29,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:29,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:54:29,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996280698] [2024-11-28 03:54:29,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:29,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:54:29,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:29,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:54:29,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:29,671 INFO L87 Difference]: Start difference. First operand has 91 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 78 states have internal predecessors, (110), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:29,707 INFO L93 Difference]: Finished difference Result 175 states and 269 transitions. [2024-11-28 03:54:29,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:54:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-28 03:54:29,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:29,719 INFO L225 Difference]: With dead ends: 175 [2024-11-28 03:54:29,719 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 03:54:29,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:54:29,727 INFO L435 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:29,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:54:29,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 03:54:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-28 03:54:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 125 transitions. [2024-11-28 03:54:29,777 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 125 transitions. Word has length 100 [2024-11-28 03:54:29,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:29,778 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 125 transitions. [2024-11-28 03:54:29,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2024-11-28 03:54:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 03:54:29,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:29,783 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:29,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:54:29,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:29,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:29,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2139841186, now seen corresponding path program 1 times [2024-11-28 03:54:29,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:29,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68563058] [2024-11-28 03:54:29,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:29,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:29,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:29,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:29,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:54:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:30,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:54:30,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:54:30,535 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:30,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:30,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68563058] [2024-11-28 03:54:30,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68563058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:30,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:30,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:54:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141835688] [2024-11-28 03:54:30,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:30,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:54:30,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:30,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:54:30,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:30,539 INFO L87 Difference]: Start difference. First operand 87 states and 125 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:30,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:30,620 INFO L93 Difference]: Finished difference Result 173 states and 250 transitions. [2024-11-28 03:54:30,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:54:30,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-28 03:54:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:30,622 INFO L225 Difference]: With dead ends: 173 [2024-11-28 03:54:30,623 INFO L226 Difference]: Without dead ends: 89 [2024-11-28 03:54:30,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:54:30,625 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:30,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-28 03:54:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-28 03:54:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-28 03:54:30,636 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 100 [2024-11-28 03:54:30,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:30,637 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-28 03:54:30,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 03:54:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-28 03:54:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 03:54:30,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:30,642 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:30,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 03:54:30,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:30,843 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:30,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash 814984992, now seen corresponding path program 1 times [2024-11-28 03:54:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:30,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501889553] [2024-11-28 03:54:30,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:30,845 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:30,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:30,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:30,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:54:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:31,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:54:31,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:31,853 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 [2024-11-28 03:54:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:54:31,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:32,433 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-28 03:54:32,434 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 22 treesize of output 21 [2024-11-28 03:54:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:54:32,532 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:32,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501889553] [2024-11-28 03:54:32,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501889553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:54:32,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:54:32,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-28 03:54:32,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68264880] [2024-11-28 03:54:32,533 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:32,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:54:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:32,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:54:32,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:54:32,535 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:33,379 INFO L93 Difference]: Finished difference Result 181 states and 256 transitions. [2024-11-28 03:54:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:54:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 100 [2024-11-28 03:54:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:33,382 INFO L225 Difference]: With dead ends: 181 [2024-11-28 03:54:33,382 INFO L226 Difference]: Without dead ends: 95 [2024-11-28 03:54:33,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:54:33,383 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 166 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:33,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 490 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:54:33,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-28 03:54:33,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-28 03:54:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 79 states have internal predecessors, (107), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 129 transitions. [2024-11-28 03:54:33,399 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 129 transitions. Word has length 100 [2024-11-28 03:54:33,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:33,402 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 129 transitions. [2024-11-28 03:54:33,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-11-28 03:54:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 03:54:33,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:33,404 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:33,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 03:54:33,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:33,605 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:33,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:33,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1041802097, now seen corresponding path program 1 times [2024-11-28 03:54:33,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:33,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284431623] [2024-11-28 03:54:33,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:33,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:33,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:33,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:33,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 03:54:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:34,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:54:34,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:34,753 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-28 03:54:34,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-28 03:54:34,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 03:54:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:54:34,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:35,654 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-28 03:54:35,654 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 22 treesize of output 21 [2024-11-28 03:54:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:54:35,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:35,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284431623] [2024-11-28 03:54:35,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284431623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:54:35,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:54:35,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 03:54:35,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237482589] [2024-11-28 03:54:35,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:35,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:54:35,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:35,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:54:35,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:54:35,776 INFO L87 Difference]: Start difference. First operand 93 states and 129 transitions. Second operand has 14 states, 12 states have (on average 5.583333333333333) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:37,068 INFO L93 Difference]: Finished difference Result 185 states and 257 transitions. [2024-11-28 03:54:37,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:54:37,071 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.583333333333333) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 101 [2024-11-28 03:54:37,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:37,073 INFO L225 Difference]: With dead ends: 185 [2024-11-28 03:54:37,073 INFO L226 Difference]: Without dead ends: 95 [2024-11-28 03:54:37,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:54:37,079 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 416 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:37,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 585 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:54:37,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-28 03:54:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-28 03:54:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 128 transitions. [2024-11-28 03:54:37,097 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 128 transitions. Word has length 101 [2024-11-28 03:54:37,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:37,098 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 128 transitions. [2024-11-28 03:54:37,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.583333333333333) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 128 transitions. [2024-11-28 03:54:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:54:37,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:37,100 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:37,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 03:54:37,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:37,301 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:37,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:37,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1690934070, now seen corresponding path program 1 times [2024-11-28 03:54:37,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:37,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545332455] [2024-11-28 03:54:37,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:37,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:37,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:37,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:37,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 03:54:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:37,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:54:37,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:54:37,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:54:37,724 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:37,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545332455] [2024-11-28 03:54:37,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545332455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:54:37,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:54:37,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:54:37,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494753655] [2024-11-28 03:54:37,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:37,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:54:37,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:37,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:54:37,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:37,727 INFO L87 Difference]: Start difference. First operand 93 states and 128 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:37,804 INFO L93 Difference]: Finished difference Result 188 states and 260 transitions. [2024-11-28 03:54:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:54:37,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-28 03:54:37,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:37,807 INFO L225 Difference]: With dead ends: 188 [2024-11-28 03:54:37,807 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 03:54:37,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:54:37,808 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:37,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 459 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:54:37,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 03:54:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-28 03:54:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3253012048192772) internal successors, (110), 83 states have internal predecessors, (110), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 03:54:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions. [2024-11-28 03:54:37,825 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 103 [2024-11-28 03:54:37,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:37,825 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 132 transitions. [2024-11-28 03:54:37,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:54:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions. [2024-11-28 03:54:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 03:54:37,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:37,831 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:37,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 03:54:38,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:38,032 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:38,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:38,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1689087028, now seen corresponding path program 1 times [2024-11-28 03:54:38,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:38,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388334677] [2024-11-28 03:54:38,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:38,034 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 [2024-11-28 03:54:38,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:38,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 03:54:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:38,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:54:38,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:40,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 03:54:42,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2024-11-28 03:54:42,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:42,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 47 [2024-11-28 03:54:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 36 proven. 40 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:54:42,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:44,319 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 346 treesize of output 314 [2024-11-28 03:54:44,515 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 58 [2024-11-28 03:54:44,582 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 74 treesize of output 58 [2024-11-28 03:54:44,658 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 58 [2024-11-28 03:54:44,748 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 58 [2024-11-28 03:54:44,830 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 74 treesize of output 58 [2024-11-28 03:54:44,888 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 58 [2024-11-28 03:54:44,959 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 58 [2024-11-28 03:54:45,021 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 58 [2024-11-28 03:54:45,083 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 58 [2024-11-28 03:54:45,137 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 58 [2024-11-28 03:54:45,185 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 58 [2024-11-28 03:54:45,237 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 58 [2024-11-28 03:54:45,294 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 74 treesize of output 58 [2024-11-28 03:54:45,362 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 58 [2024-11-28 03:54:45,430 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 58 [2024-11-28 03:54:45,481 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 58 [2024-11-28 03:54:45,555 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 58 [2024-11-28 03:54:45,611 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 58 [2024-11-28 03:54:45,662 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 58 [2024-11-28 03:54:45,702 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 74 treesize of output 58 [2024-11-28 03:54:45,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2024-11-28 03:54:45,798 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 58 [2024-11-28 03:54:45,858 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 58 [2024-11-28 03:54:45,911 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 58 [2024-11-28 03:54:45,967 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 58 [2024-11-28 03:54:46,020 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 74 treesize of output 58 [2024-11-28 03:54:46,081 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 58 [2024-11-28 03:54:46,134 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 74 treesize of output 58 [2024-11-28 03:54:46,179 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 58 [2024-11-28 03:54:46,240 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 58 [2024-11-28 03:54:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-28 03:54:46,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:46,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388334677] [2024-11-28 03:54:46,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388334677] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:46,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:54:46,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 28 [2024-11-28 03:54:46,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707343841] [2024-11-28 03:54:46,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:54:46,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:54:46,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:46,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:54:46,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:54:46,293 INFO L87 Difference]: Start difference. First operand 97 states and 132 transitions. Second operand has 14 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:54:47,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:47,656 INFO L93 Difference]: Finished difference Result 263 states and 356 transitions. [2024-11-28 03:54:47,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:54:47,657 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-11-28 03:54:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:47,658 INFO L225 Difference]: With dead ends: 263 [2024-11-28 03:54:47,658 INFO L226 Difference]: Without dead ends: 169 [2024-11-28 03:54:47,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 147 SyntacticMatches, 31 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1141 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=227, Invalid=703, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:54:47,662 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 594 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:47,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 588 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 03:54:47,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-28 03:54:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166. [2024-11-28 03:54:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 145 states have (on average 1.3241379310344827) internal successors, (192), 146 states have internal predecessors, (192), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:54:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 224 transitions. [2024-11-28 03:54:47,697 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 224 transitions. Word has length 103 [2024-11-28 03:54:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:47,698 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 224 transitions. [2024-11-28 03:54:47,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:54:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2024-11-28 03:54:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:54:47,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:47,700 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:47,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:54:47,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:47,901 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:47,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:47,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1223090714, now seen corresponding path program 1 times [2024-11-28 03:54:47,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:47,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461464146] [2024-11-28 03:54:47,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:47,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:47,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:47,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:47,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 03:54:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:48,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:54:48,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:48,507 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-28 03:54:48,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-28 03:54:48,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 03:54:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:54:48,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:48,926 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-28 03:54:48,926 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 22 treesize of output 21 [2024-11-28 03:54:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:54:48,980 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:48,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461464146] [2024-11-28 03:54:48,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461464146] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:54:48,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:54:48,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 03:54:48,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372942837] [2024-11-28 03:54:48,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:48,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:54:48,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:48,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:54:48,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:54:48,982 INFO L87 Difference]: Start difference. First operand 166 states and 224 transitions. Second operand has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:49,597 INFO L93 Difference]: Finished difference Result 324 states and 437 transitions. [2024-11-28 03:54:49,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:54:49,599 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-11-28 03:54:49,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:49,602 INFO L225 Difference]: With dead ends: 324 [2024-11-28 03:54:49,602 INFO L226 Difference]: Without dead ends: 161 [2024-11-28 03:54:49,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:54:49,603 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 301 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:49,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 510 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:54:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-28 03:54:49,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2024-11-28 03:54:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 136 states have (on average 1.3088235294117647) internal successors, (178), 137 states have internal predecessors, (178), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:54:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 210 transitions. [2024-11-28 03:54:49,622 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 210 transitions. Word has length 105 [2024-11-28 03:54:49,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:49,623 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 210 transitions. [2024-11-28 03:54:49,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:49,623 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2024-11-28 03:54:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 03:54:49,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:49,624 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:49,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 03:54:49,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:49,825 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:49,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash -752129614, now seen corresponding path program 1 times [2024-11-28 03:54:49,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:49,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052979268] [2024-11-28 03:54:49,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:49,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:49,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:49,828 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:49,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-28 03:54:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:50,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:54:50,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:50,550 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-28 03:54:50,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-28 03:54:50,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 03:54:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:54:50,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:50,973 INFO L349 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2024-11-28 03:54:50,974 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 22 treesize of output 21 [2024-11-28 03:54:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 03:54:51,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:51,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052979268] [2024-11-28 03:54:51,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052979268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:54:51,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:54:51,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-28 03:54:51,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281190773] [2024-11-28 03:54:51,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:54:51,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:54:51,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:54:51,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:54:51,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:54:51,031 INFO L87 Difference]: Start difference. First operand 157 states and 210 transitions. Second operand has 14 states, 12 states have (on average 5.75) internal successors, (69), 14 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:51,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:54:51,684 INFO L93 Difference]: Finished difference Result 285 states and 381 transitions. [2024-11-28 03:54:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:54:51,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.75) internal successors, (69), 14 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-11-28 03:54:51,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:54:51,689 INFO L225 Difference]: With dead ends: 285 [2024-11-28 03:54:51,689 INFO L226 Difference]: Without dead ends: 131 [2024-11-28 03:54:51,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:54:51,691 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 222 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:54:51,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 486 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:54:51,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-28 03:54:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2024-11-28 03:54:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 107 states have internal predecessors, (137), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 03:54:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions. [2024-11-28 03:54:51,708 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 169 transitions. Word has length 105 [2024-11-28 03:54:51,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:54:51,708 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 169 transitions. [2024-11-28 03:54:51,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.75) internal successors, (69), 14 states have internal predecessors, (69), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 03:54:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2024-11-28 03:54:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 03:54:51,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:54:51,710 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:54:51,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-28 03:54:51,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:51,910 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:54:51,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:54:51,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1310795771, now seen corresponding path program 1 times [2024-11-28 03:54:51,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:54:51,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650036189] [2024-11-28 03:54:51,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:51,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:54:51,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:54:51,913 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:54:51,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 03:54:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:52,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 03:54:52,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:53,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 03:54:53,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-28 03:54:53,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-28 03:54:54,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 03:54:54,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:54:54,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 32 [2024-11-28 03:54:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 72 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:54:54,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:54:54,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:54:54,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650036189] [2024-11-28 03:54:54,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650036189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:54:54,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [216018454] [2024-11-28 03:54:54,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:54:54,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:54:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:54:54,783 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:54:54,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-28 03:54:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:54:56,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 03:54:56,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:54:56,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:54:57,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:54:57,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-28 03:54:58,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-28 03:54:59,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2024-11-28 03:54:59,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2024-11-28 03:54:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 86 proven. 81 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 03:54:59,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:55:00,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [216018454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:00,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:55:00,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-11-28 03:55:00,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970269895] [2024-11-28 03:55:00,241 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:55:00,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:55:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:00,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:55:00,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2024-11-28 03:55:00,243 INFO L87 Difference]: Start difference. First operand 127 states and 169 transitions. Second operand has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-28 03:55:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:12,619 INFO L93 Difference]: Finished difference Result 759 states and 976 transitions. [2024-11-28 03:55:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-28 03:55:12,620 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) Word has length 107 [2024-11-28 03:55:12,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:12,624 INFO L225 Difference]: With dead ends: 759 [2024-11-28 03:55:12,624 INFO L226 Difference]: Without dead ends: 667 [2024-11-28 03:55:12,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1545 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=1317, Invalid=5163, Unknown=0, NotChecked=0, Total=6480 [2024-11-28 03:55:12,627 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 1814 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:12,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 1909 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1309 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 03:55:12,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-28 03:55:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 308. [2024-11-28 03:55:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 271 states have (on average 1.2398523985239853) internal successors, (336), 272 states have internal predecessors, (336), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 03:55:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 390 transitions. [2024-11-28 03:55:12,677 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 390 transitions. Word has length 107 [2024-11-28 03:55:12,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:12,677 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 390 transitions. [2024-11-28 03:55:12,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-28 03:55:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 390 transitions. [2024-11-28 03:55:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:55:12,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:12,680 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:12,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-28 03:55:12,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:13,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:55:13,081 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:13,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:13,081 INFO L85 PathProgramCache]: Analyzing trace with hash -505976015, now seen corresponding path program 1 times [2024-11-28 03:55:13,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:13,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321432232] [2024-11-28 03:55:13,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:55:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:13,083 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:55:13,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-28 03:55:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:13,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:55:13,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:13,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:55:15,098 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 8 treesize of output 1 [2024-11-28 03:55:15,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 03:55:16,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2024-11-28 03:55:17,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:17,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27 [2024-11-28 03:55:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:55:17,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:55:22,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:55:22,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321432232] [2024-11-28 03:55:22,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321432232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:22,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [180438970] [2024-11-28 03:55:22,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:22,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:55:22,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:55:22,300 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:55:22,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-28 03:55:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:23,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 03:55:23,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:23,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:55:26,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 03:55:26,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-28 03:55:29,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 36 [2024-11-28 03:55:30,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2024-11-28 03:55:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 56 proven. 72 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-28 03:55:30,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:55:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [180438970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:55:35,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:55:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2024-11-28 03:55:35,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730633504] [2024-11-28 03:55:35,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:55:35,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 03:55:35,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:55:35,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 03:55:35,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:55:35,589 INFO L87 Difference]: Start difference. First operand 308 states and 390 transitions. Second operand has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-28 03:55:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:55:44,995 INFO L93 Difference]: Finished difference Result 755 states and 943 transitions. [2024-11-28 03:55:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:55:44,996 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 108 [2024-11-28 03:55:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:55:45,000 INFO L225 Difference]: With dead ends: 755 [2024-11-28 03:55:45,000 INFO L226 Difference]: Without dead ends: 482 [2024-11-28 03:55:45,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 247 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 03:55:45,002 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 1047 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:55:45,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1052 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-28 03:55:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-28 03:55:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 345. [2024-11-28 03:55:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 303 states have (on average 1.2343234323432344) internal successors, (374), 304 states have internal predecessors, (374), 29 states have call successors, (29), 12 states have call predecessors, (29), 12 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 03:55:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 432 transitions. [2024-11-28 03:55:45,094 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 432 transitions. Word has length 108 [2024-11-28 03:55:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:55:45,094 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 432 transitions. [2024-11-28 03:55:45,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.55) internal successors, (111), 19 states have internal predecessors, (111), 5 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-28 03:55:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 432 transitions. [2024-11-28 03:55:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:55:45,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:55:45,097 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:55:45,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:55:45,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-28 03:55:45,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:55:45,498 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:55:45,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:55:45,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1607597809, now seen corresponding path program 1 times [2024-11-28 03:55:45,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:55:45,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217810786] [2024-11-28 03:55:45,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:55:45,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:55:45,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:55:45,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:55:45,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-28 03:55:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:55:46,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 03:55:46,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:55:46,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:55:48,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:55:49,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 03:55:50,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 03:55:52,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2024-11-28 03:55:53,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:55:53,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2024-11-28 03:56:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 81 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-28 03:56:01,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:10,612 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:56:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217810786] [2024-11-28 03:56:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217810786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359692915] [2024-11-28 03:56:10,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:10,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:56:10,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:56:10,614 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:56:10,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-28 03:56:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:12,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-28 03:56:12,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:56:12,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:56:15,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 03:56:27,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2024-11-28 03:56:29,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-28 03:56:38,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 55 [2024-11-28 03:56:43,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 43 [2024-11-28 03:56:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 84 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 03:56:47,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:56:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359692915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:56:56,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:56:56,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 36 [2024-11-28 03:56:56,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220796205] [2024-11-28 03:56:56,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:56:56,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-28 03:56:56,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:56:56,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-28 03:56:56,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=1869, Unknown=1, NotChecked=0, Total=2162 [2024-11-28 03:56:56,249 INFO L87 Difference]: Start difference. First operand 345 states and 432 transitions. Second operand has 37 states, 34 states have (on average 3.6470588235294117) internal successors, (124), 33 states have internal predecessors, (124), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-28 03:57:39,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:41,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:42,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:43,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:44,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:47,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:51,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:57:52,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:12,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:13,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:14,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:16,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:17,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:18,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:37,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:39,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 03:58:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:48,754 INFO L93 Difference]: Finished difference Result 890 states and 1113 transitions. [2024-11-28 03:58:48,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 03:58:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 34 states have (on average 3.6470588235294117) internal successors, (124), 33 states have internal predecessors, (124), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) Word has length 108 [2024-11-28 03:58:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:48,759 INFO L225 Difference]: With dead ends: 890 [2024-11-28 03:58:48,759 INFO L226 Difference]: Without dead ends: 548 [2024-11-28 03:58:48,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1537 ImplicationChecksByTransitivity, 79.0s TimeCoverageRelationStatistics Valid=965, Invalid=4584, Unknown=1, NotChecked=0, Total=5550 [2024-11-28 03:58:48,763 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 778 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:48,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1880 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 82.3s Time] [2024-11-28 03:58:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-28 03:58:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 293. [2024-11-28 03:58:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 261 states have (on average 1.210727969348659) internal successors, (316), 261 states have internal predecessors, (316), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:58:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 360 transitions. [2024-11-28 03:58:48,815 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 360 transitions. Word has length 108 [2024-11-28 03:58:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:48,815 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 360 transitions. [2024-11-28 03:58:48,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 34 states have (on average 3.6470588235294117) internal successors, (124), 33 states have internal predecessors, (124), 9 states have call successors, (22), 8 states have call predecessors, (22), 9 states have return successors, (22), 8 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-28 03:58:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 360 transitions. [2024-11-28 03:58:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:58:48,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:48,818 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:48,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-28 03:58:49,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-28 03:58:49,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 03:58:49,219 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:49,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:49,219 INFO L85 PathProgramCache]: Analyzing trace with hash 694939198, now seen corresponding path program 1 times [2024-11-28 03:58:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:49,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772296063] [2024-11-28 03:58:49,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:49,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:58:49,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:49,222 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:58:49,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-28 03:58:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:49,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:58:49,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:49,897 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 [2024-11-28 03:58:52,451 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 8 treesize of output 1 [2024-11-28 03:58:53,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:58:54,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-11-28 03:58:54,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:58:54,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2024-11-28 03:58:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 03:58:55,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:01,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:01,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772296063] [2024-11-28 03:59:01,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772296063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:01,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1676325984] [2024-11-28 03:59:01,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:01,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:59:01,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:59:01,052 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:59:01,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-28 03:59:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:02,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:59:02,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:02,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:59:05,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:59:06,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-28 03:59:08,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 38 [2024-11-28 03:59:10,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2024-11-28 03:59:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 50 proven. 75 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-28 03:59:10,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:16,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1676325984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:16,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:59:16,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2024-11-28 03:59:16,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419219103] [2024-11-28 03:59:16,257 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:59:16,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:59:16,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:59:16,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:59:16,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:59:16,259 INFO L87 Difference]: Start difference. First operand 293 states and 360 transitions. Second operand has 24 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (22), 5 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 03:59:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:29,663 INFO L93 Difference]: Finished difference Result 713 states and 873 transitions. [2024-11-28 03:59:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:59:29,665 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (22), 5 states have call predecessors, (22), 6 states have call successors, (22) Word has length 109 [2024-11-28 03:59:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:29,667 INFO L225 Difference]: With dead ends: 713 [2024-11-28 03:59:29,667 INFO L226 Difference]: Without dead ends: 423 [2024-11-28 03:59:29,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=573, Invalid=2397, Unknown=0, NotChecked=0, Total=2970 [2024-11-28 03:59:29,669 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1021 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:29,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 1418 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-28 03:59:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-11-28 03:59:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 301. [2024-11-28 03:59:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 268 states have (on average 1.205223880597015) internal successors, (323), 268 states have internal predecessors, (323), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:59:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 367 transitions. [2024-11-28 03:59:29,736 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 367 transitions. Word has length 109 [2024-11-28 03:59:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:29,736 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 367 transitions. [2024-11-28 03:59:29,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.0) internal successors, (115), 23 states have internal predecessors, (115), 6 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (22), 5 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 03:59:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 367 transitions. [2024-11-28 03:59:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:59:29,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:29,739 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:29,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-28 03:59:29,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-28 03:59:30,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:59:30,140 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:59:30,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1917051433, now seen corresponding path program 1 times [2024-11-28 03:59:30,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:59:30,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925317664] [2024-11-28 03:59:30,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:59:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:59:30,144 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:59:30,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-28 03:59:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:30,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:59:30,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:32,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-28 03:59:33,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:59:33,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 32 [2024-11-28 03:59:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:59:33,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:59:33,972 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:33,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925317664] [2024-11-28 03:59:33,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925317664] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:33,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:59:33,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-28 03:59:33,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150369085] [2024-11-28 03:59:33,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:33,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:59:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:59:33,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:59:33,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:59:33,974 INFO L87 Difference]: Start difference. First operand 301 states and 367 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:59:34,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:34,259 INFO L93 Difference]: Finished difference Result 309 states and 376 transitions. [2024-11-28 03:59:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:59:34,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-28 03:59:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:34,262 INFO L225 Difference]: With dead ends: 309 [2024-11-28 03:59:34,262 INFO L226 Difference]: Without dead ends: 307 [2024-11-28 03:59:34,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:59:34,263 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 24 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:34,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 492 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:59:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-28 03:59:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-28 03:59:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 274 states have (on average 1.2007299270072993) internal successors, (329), 274 states have internal predecessors, (329), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:59:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 373 transitions. [2024-11-28 03:59:34,321 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 373 transitions. Word has length 109 [2024-11-28 03:59:34,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:34,321 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 373 transitions. [2024-11-28 03:59:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:59:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 373 transitions. [2024-11-28 03:59:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:59:34,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:34,323 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:34,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-28 03:59:34,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:59:34,523 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:59:34,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:34,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1918898475, now seen corresponding path program 1 times [2024-11-28 03:59:34,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:59:34,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288933555] [2024-11-28 03:59:34,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:34,524 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 [2024-11-28 03:59:34,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:59:34,525 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:59:34,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-28 03:59:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:34,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:59:34,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:59:34,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:59:34,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:34,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288933555] [2024-11-28 03:59:34,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288933555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:59:34,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:59:34,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:59:34,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211481445] [2024-11-28 03:59:34,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:59:34,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:59:34,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:59:34,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:59:34,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:59:34,868 INFO L87 Difference]: Start difference. First operand 307 states and 373 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:59:34,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:59:34,950 INFO L93 Difference]: Finished difference Result 617 states and 751 transitions. [2024-11-28 03:59:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:59:34,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-28 03:59:34,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:59:34,953 INFO L225 Difference]: With dead ends: 617 [2024-11-28 03:59:34,953 INFO L226 Difference]: Without dead ends: 313 [2024-11-28 03:59:34,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:59:34,954 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:59:34,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:59:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-28 03:59:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-28 03:59:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 280 states have (on average 1.1964285714285714) internal successors, (335), 280 states have internal predecessors, (335), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 03:59:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 379 transitions. [2024-11-28 03:59:35,014 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 379 transitions. Word has length 109 [2024-11-28 03:59:35,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:59:35,015 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 379 transitions. [2024-11-28 03:59:35,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 03:59:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 379 transitions. [2024-11-28 03:59:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 03:59:35,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:59:35,016 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:59:35,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-28 03:59:35,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:59:35,217 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:59:35,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:59:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2079437758, now seen corresponding path program 1 times [2024-11-28 03:59:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:59:35,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651425440] [2024-11-28 03:59:35,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:35,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:59:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:59:35,219 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:59:35,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-28 03:59:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:35,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-28 03:59:35,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:35,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 03:59:38,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 03:59:39,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 03:59:40,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-28 03:59:42,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 03:59:43,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2024-11-28 03:59:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 89 proven. 81 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-28 03:59:46,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:59:57,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:59:57,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651425440] [2024-11-28 03:59:57,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651425440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:59:57,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1408958558] [2024-11-28 03:59:57,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:59:57,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:59:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:59:57,694 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:59:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-28 03:59:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:59:59,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-28 03:59:59,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:59:59,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 04:00:03,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 04:00:05,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-28 04:00:09,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-28 04:00:13,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:00:15,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 70 [2024-11-28 04:00:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 98 proven. 72 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-28 04:00:20,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:00:45,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1408958558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:00:45,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:00:45,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 40 [2024-11-28 04:00:45,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322257684] [2024-11-28 04:00:45,792 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:00:45,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-28 04:00:45,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:00:45,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-28 04:00:45,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=3631, Unknown=3, NotChecked=0, Total=4032 [2024-11-28 04:00:45,795 INFO L87 Difference]: Start difference. First operand 313 states and 379 transitions. Second operand has 41 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 38 states have internal predecessors, (130), 11 states have call successors, (22), 8 states have call predecessors, (22), 11 states have return successors, (22), 9 states have call predecessors, (22), 11 states have call successors, (22) [2024-11-28 04:01:15,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:15,394 INFO L93 Difference]: Finished difference Result 751 states and 908 transitions. [2024-11-28 04:01:15,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 04:01:15,395 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 38 states have internal predecessors, (130), 11 states have call successors, (22), 8 states have call predecessors, (22), 11 states have return successors, (22), 9 states have call predecessors, (22), 11 states have call successors, (22) Word has length 109 [2024-11-28 04:01:15,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:15,398 INFO L225 Difference]: With dead ends: 751 [2024-11-28 04:01:15,398 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:01:15,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2562 ImplicationChecksByTransitivity, 58.8s TimeCoverageRelationStatistics Valid=1324, Invalid=8179, Unknown=3, NotChecked=0, Total=9506 [2024-11-28 04:01:15,402 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 958 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:15,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 2806 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-28 04:01:15,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:01:15,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 322. [2024-11-28 04:01:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 289 states have (on average 1.1868512110726643) internal successors, (343), 289 states have internal predecessors, (343), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 04:01:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 387 transitions. [2024-11-28 04:01:15,474 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 387 transitions. Word has length 109 [2024-11-28 04:01:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:15,474 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 387 transitions. [2024-11-28 04:01:15,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 38 states have internal predecessors, (130), 11 states have call successors, (22), 8 states have call predecessors, (22), 11 states have return successors, (22), 9 states have call predecessors, (22), 11 states have call successors, (22) [2024-11-28 04:01:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 387 transitions. [2024-11-28 04:01:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:01:15,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:15,475 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:15,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-28 04:01:15,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-28 04:01:15,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:01:15,876 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:15,877 INFO L85 PathProgramCache]: Analyzing trace with hash -454907722, now seen corresponding path program 1 times [2024-11-28 04:01:15,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040596334] [2024-11-28 04:01:15,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:15,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:15,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:15,879 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:01:15,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-28 04:01:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:16,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 04:01:16,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:17,987 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 8 treesize of output 1 [2024-11-28 04:01:18,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 04:01:18,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:01:19,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:19,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 28 [2024-11-28 04:01:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 04:01:19,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:20,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:20,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040596334] [2024-11-28 04:01:20,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040596334] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:20,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1246478396] [2024-11-28 04:01:20,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:20,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:01:20,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:01:20,004 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:01:20,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-28 04:01:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:21,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:01:21,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:23,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:01:23,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:01:24,355 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 17 treesize of output 13 [2024-11-28 04:01:24,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-28 04:01:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 04:01:24,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:25,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1246478396] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:25,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:25,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-28 04:01:25,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225808391] [2024-11-28 04:01:25,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:25,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:01:25,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:25,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:01:25,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:01:25,329 INFO L87 Difference]: Start difference. First operand 322 states and 387 transitions. Second operand has 14 states, 14 states have (on average 8.0) internal successors, (112), 13 states have internal predecessors, (112), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:01:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:28,205 INFO L93 Difference]: Finished difference Result 841 states and 1013 transitions. [2024-11-28 04:01:28,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:01:28,208 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 13 states have internal predecessors, (112), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 110 [2024-11-28 04:01:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:28,210 INFO L225 Difference]: With dead ends: 841 [2024-11-28 04:01:28,211 INFO L226 Difference]: Without dead ends: 522 [2024-11-28 04:01:28,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:01:28,212 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 442 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:28,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 911 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:01:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-28 04:01:28,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 445. [2024-11-28 04:01:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 402 states have (on average 1.1840796019900497) internal successors, (476), 403 states have internal predecessors, (476), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:01:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 534 transitions. [2024-11-28 04:01:28,286 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 534 transitions. Word has length 110 [2024-11-28 04:01:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:28,286 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 534 transitions. [2024-11-28 04:01:28,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.0) internal successors, (112), 13 states have internal predecessors, (112), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:01:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 534 transitions. [2024-11-28 04:01:28,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:01:28,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:28,287 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:28,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-28 04:01:28,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-28 04:01:28,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:28,688 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:28,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash 246156856, now seen corresponding path program 1 times [2024-11-28 04:01:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:28,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564401977] [2024-11-28 04:01:28,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:28,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:28,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:28,690 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:01:28,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-28 04:01:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:29,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:01:29,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:29,445 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:29,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 179 treesize of output 111 [2024-11-28 04:01:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:01:29,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:29,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:29,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564401977] [2024-11-28 04:01:29,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564401977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:29,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:29,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:01:29,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558033395] [2024-11-28 04:01:29,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:29,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:01:29,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:29,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:01:29,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:01:29,642 INFO L87 Difference]: Start difference. First operand 445 states and 534 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:01:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:30,516 INFO L93 Difference]: Finished difference Result 917 states and 1099 transitions. [2024-11-28 04:01:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:01:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 04:01:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:30,523 INFO L225 Difference]: With dead ends: 917 [2024-11-28 04:01:30,523 INFO L226 Difference]: Without dead ends: 475 [2024-11-28 04:01:30,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:01:30,525 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 37 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:30,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 538 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:01:30,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-28 04:01:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 444. [2024-11-28 04:01:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 401 states have (on average 1.1795511221945136) internal successors, (473), 402 states have internal predecessors, (473), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:01:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 531 transitions. [2024-11-28 04:01:30,613 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 531 transitions. Word has length 110 [2024-11-28 04:01:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:30,613 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 531 transitions. [2024-11-28 04:01:30,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:01:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 531 transitions. [2024-11-28 04:01:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:01:30,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:30,615 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:30,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-28 04:01:30,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:30,815 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:30,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:30,816 INFO L85 PathProgramCache]: Analyzing trace with hash -392868108, now seen corresponding path program 1 times [2024-11-28 04:01:30,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:30,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968358406] [2024-11-28 04:01:30,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:30,816 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:30,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:30,818 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:01:30,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-28 04:01:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:31,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:01:31,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:31,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:31,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 180 treesize of output 112 [2024-11-28 04:01:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:01:31,754 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:01:31,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968358406] [2024-11-28 04:01:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968358406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:01:31,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:01:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:01:31,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651663119] [2024-11-28 04:01:31,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:01:31,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:01:31,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:31,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:01:31,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:01:31,756 INFO L87 Difference]: Start difference. First operand 444 states and 531 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:01:32,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:01:32,438 INFO L93 Difference]: Finished difference Result 964 states and 1153 transitions. [2024-11-28 04:01:32,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:01:32,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 04:01:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:01:32,441 INFO L225 Difference]: With dead ends: 964 [2024-11-28 04:01:32,441 INFO L226 Difference]: Without dead ends: 523 [2024-11-28 04:01:32,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:01:32,442 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 39 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:01:32,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 496 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:01:32,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-28 04:01:32,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 460. [2024-11-28 04:01:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 417 states have (on average 1.1798561151079137) internal successors, (492), 418 states have internal predecessors, (492), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:01:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 550 transitions. [2024-11-28 04:01:32,512 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 550 transitions. Word has length 110 [2024-11-28 04:01:32,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:01:32,512 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 550 transitions. [2024-11-28 04:01:32,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:01:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 550 transitions. [2024-11-28 04:01:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 04:01:32,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:01:32,513 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:01:32,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-28 04:01:32,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:01:32,714 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:01:32,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:01:32,714 INFO L85 PathProgramCache]: Analyzing trace with hash 308196470, now seen corresponding path program 1 times [2024-11-28 04:01:32,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:01:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919812416] [2024-11-28 04:01:32,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:32,715 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 [2024-11-28 04:01:32,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:01:32,718 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:01:32,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-28 04:01:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:33,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:01:33,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:34,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-28 04:01:35,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-28 04:01:35,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-28 04:01:36,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:01:36,707 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:36,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 32 [2024-11-28 04:01:37,072 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 47 treesize of output 35 [2024-11-28 04:01:37,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:01:37,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 35 [2024-11-28 04:01:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 72 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 04:01:37,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:37,917 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:01:37,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919812416] [2024-11-28 04:01:37,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919812416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:37,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [81234477] [2024-11-28 04:01:37,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:01:37,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:01:37,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:01:37,920 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:01:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-28 04:01:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:01:39,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 04:01:39,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:01:40,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-28 04:01:42,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 59 [2024-11-28 04:01:47,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 121 [2024-11-28 04:01:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 04:01:48,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:01:55,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [81234477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:01:55,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:01:55,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 04:01:55,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188313559] [2024-11-28 04:01:55,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:01:55,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:01:55,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:01:55,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:01:55,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=952, Unknown=1, NotChecked=0, Total=1056 [2024-11-28 04:01:55,323 INFO L87 Difference]: Start difference. First operand 460 states and 550 transitions. Second operand has 22 states, 22 states have (on average 5.681818181818182) internal successors, (125), 21 states have internal predecessors, (125), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 04:02:25,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:02:25,232 INFO L93 Difference]: Finished difference Result 1864 states and 2227 transitions. [2024-11-28 04:02:25,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-28 04:02:25,234 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.681818181818182) internal successors, (125), 21 states have internal predecessors, (125), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 110 [2024-11-28 04:02:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:02:25,239 INFO L225 Difference]: With dead ends: 1864 [2024-11-28 04:02:25,239 INFO L226 Difference]: Without dead ends: 1407 [2024-11-28 04:02:25,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=751, Invalid=3804, Unknown=1, NotChecked=0, Total=4556 [2024-11-28 04:02:25,242 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 1619 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:02:25,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 1051 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 04:02:25,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2024-11-28 04:02:25,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 625. [2024-11-28 04:02:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 540 states have (on average 1.201851851851852) internal successors, (649), 545 states have internal predecessors, (649), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:02:25,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 765 transitions. [2024-11-28 04:02:25,461 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 765 transitions. Word has length 110 [2024-11-28 04:02:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:02:25,461 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 765 transitions. [2024-11-28 04:02:25,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.681818181818182) internal successors, (125), 21 states have internal predecessors, (125), 7 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 04:02:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 765 transitions. [2024-11-28 04:02:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 04:02:25,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:02:25,464 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:02:25,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-28 04:02:25,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-28 04:02:25,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:02:25,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:02:25,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:02:25,865 INFO L85 PathProgramCache]: Analyzing trace with hash -90570928, now seen corresponding path program 1 times [2024-11-28 04:02:25,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:02:25,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646242354] [2024-11-28 04:02:25,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:02:25,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:02:25,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:02:25,868 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:02:25,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-28 04:02:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:02:26,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:02:26,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:02:36,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 88 [2024-11-28 04:02:36,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:02:36,188 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 100 treesize of output 40 [2024-11-28 04:02:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 04:02:37,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:02:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:02:53,055 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:02:53,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646242354] [2024-11-28 04:02:53,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646242354] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:02:53,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:02:53,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-28 04:02:53,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500491640] [2024-11-28 04:02:53,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:02:53,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:02:53,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:02:53,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:02:53,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:02:53,057 INFO L87 Difference]: Start difference. First operand 625 states and 765 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:10,987 INFO L93 Difference]: Finished difference Result 1341 states and 1632 transitions. [2024-11-28 04:03:10,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:03:10,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 111 [2024-11-28 04:03:10,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:11,002 INFO L225 Difference]: With dead ends: 1341 [2024-11-28 04:03:11,002 INFO L226 Difference]: Without dead ends: 719 [2024-11-28 04:03:11,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:03:11,005 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 56 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:11,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 291 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-28 04:03:11,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-28 04:03:11,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 673. [2024-11-28 04:03:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 588 states have (on average 1.1938775510204083) internal successors, (702), 593 states have internal predecessors, (702), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:03:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 818 transitions. [2024-11-28 04:03:11,275 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 818 transitions. Word has length 111 [2024-11-28 04:03:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:11,275 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 818 transitions. [2024-11-28 04:03:11,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 818 transitions. [2024-11-28 04:03:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:03:11,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:11,278 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:11,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-11-28 04:03:11,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:11,479 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:11,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:11,480 INFO L85 PathProgramCache]: Analyzing trace with hash 909567505, now seen corresponding path program 1 times [2024-11-28 04:03:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:03:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630425951] [2024-11-28 04:03:11,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:11,481 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 [2024-11-28 04:03:11,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:03:11,483 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:03:11,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-28 04:03:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:11,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 04:03:11,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:11,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:03:12,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-28 04:03:12,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 04:03:12,562 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 64 treesize of output 44 [2024-11-28 04:03:13,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-28 04:03:13,415 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 45 treesize of output 33 [2024-11-28 04:03:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:03:13,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:13,786 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:03:13,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630425951] [2024-11-28 04:03:13,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630425951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:13,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:13,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:03:13,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30996832] [2024-11-28 04:03:13,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:13,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:03:13,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:03:13,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:03:13,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:03:13,788 INFO L87 Difference]: Start difference. First operand 673 states and 818 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:20,561 INFO L93 Difference]: Finished difference Result 1326 states and 1646 transitions. [2024-11-28 04:03:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:03:20,563 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 04:03:20,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:20,565 INFO L225 Difference]: With dead ends: 1326 [2024-11-28 04:03:20,565 INFO L226 Difference]: Without dead ends: 971 [2024-11-28 04:03:20,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:03:20,567 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 244 mSDsluCounter, 1599 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:20,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1788 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-28 04:03:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-28 04:03:20,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 725. [2024-11-28 04:03:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 640 states have (on average 1.1875) internal successors, (760), 645 states have internal predecessors, (760), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:03:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 876 transitions. [2024-11-28 04:03:20,768 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 876 transitions. Word has length 112 [2024-11-28 04:03:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:20,769 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 876 transitions. [2024-11-28 04:03:20,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 876 transitions. [2024-11-28 04:03:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:03:20,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:20,770 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:20,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-28 04:03:20,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:20,971 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:20,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:20,971 INFO L85 PathProgramCache]: Analyzing trace with hash 971607119, now seen corresponding path program 1 times [2024-11-28 04:03:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:03:20,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611159694] [2024-11-28 04:03:20,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:03:20,974 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:03:20,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 04:03:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:21,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:03:21,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:21,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:03:21,360 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 29 treesize of output 21 [2024-11-28 04:03:22,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2024-11-28 04:03:22,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-28 04:03:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:03:22,552 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:22,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:03:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611159694] [2024-11-28 04:03:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611159694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:22,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:22,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:03:22,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066997823] [2024-11-28 04:03:22,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:22,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:03:22,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:03:22,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:03:22,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:03:22,554 INFO L87 Difference]: Start difference. First operand 725 states and 876 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:26,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:26,671 INFO L93 Difference]: Finished difference Result 1367 states and 1695 transitions. [2024-11-28 04:03:26,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:03:26,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 04:03:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:26,678 INFO L225 Difference]: With dead ends: 1367 [2024-11-28 04:03:26,679 INFO L226 Difference]: Without dead ends: 982 [2024-11-28 04:03:26,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:03:26,681 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 211 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:26,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1204 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-28 04:03:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-28 04:03:26,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 730. [2024-11-28 04:03:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 645 states have (on average 1.1875968992248063) internal successors, (766), 650 states have internal predecessors, (766), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:03:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 882 transitions. [2024-11-28 04:03:26,885 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 882 transitions. Word has length 112 [2024-11-28 04:03:26,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:26,885 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 882 transitions. [2024-11-28 04:03:26,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 882 transitions. [2024-11-28 04:03:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:03:26,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:26,887 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:26,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 04:03:27,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:27,088 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:27,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:27,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1651665489, now seen corresponding path program 1 times [2024-11-28 04:03:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:03:27,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656755981] [2024-11-28 04:03:27,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:27,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:27,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:03:27,091 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:03:27,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-28 04:03:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:27,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:03:27,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:28,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:03:28,977 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 71 treesize of output 55 [2024-11-28 04:03:29,067 INFO L349 Elim1Store]: treesize reduction 20, result has 42.9 percent of original size [2024-11-28 04:03:29,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2024-11-28 04:03:29,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 45 [2024-11-28 04:03:30,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-28 04:03:30,747 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 45 treesize of output 33 [2024-11-28 04:03:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:03:31,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:31,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:03:31,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656755981] [2024-11-28 04:03:31,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656755981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:31,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:31,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:03:31,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594740664] [2024-11-28 04:03:31,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:31,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:03:31,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:03:31,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:03:31,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:03:31,249 INFO L87 Difference]: Start difference. First operand 730 states and 882 transitions. Second operand has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:43,333 INFO L93 Difference]: Finished difference Result 1360 states and 1687 transitions. [2024-11-28 04:03:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 04:03:43,335 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 04:03:43,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:43,338 INFO L225 Difference]: With dead ends: 1360 [2024-11-28 04:03:43,338 INFO L226 Difference]: Without dead ends: 970 [2024-11-28 04:03:43,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 04:03:43,339 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 354 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:43,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1975 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-28 04:03:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-11-28 04:03:43,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 737. [2024-11-28 04:03:43,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 652 states have (on average 1.187116564417178) internal successors, (774), 657 states have internal predecessors, (774), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:03:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 890 transitions. [2024-11-28 04:03:43,615 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 890 transitions. Word has length 112 [2024-11-28 04:03:43,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:43,616 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 890 transitions. [2024-11-28 04:03:43,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 890 transitions. [2024-11-28 04:03:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 04:03:43,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:43,621 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:43,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-28 04:03:43,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:43,822 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:43,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1971133969, now seen corresponding path program 1 times [2024-11-28 04:03:43,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:03:43,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144176487] [2024-11-28 04:03:43,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:03:43,828 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:03:43,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-28 04:03:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:03:44,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 04:03:44,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:03:45,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:03:46,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-28 04:03:46,102 INFO L349 Elim1Store]: treesize reduction 20, result has 42.9 percent of original size [2024-11-28 04:03:46,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 34 [2024-11-28 04:03:46,781 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 [2024-11-28 04:03:47,610 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 66 treesize of output 50 [2024-11-28 04:03:47,618 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 45 treesize of output 33 [2024-11-28 04:03:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:03:48,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:03:48,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:03:48,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144176487] [2024-11-28 04:03:48,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144176487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:03:48,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:03:48,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:03:48,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393721142] [2024-11-28 04:03:48,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:03:48,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:03:48,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:03:48,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:03:48,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:03:48,035 INFO L87 Difference]: Start difference. First operand 737 states and 890 transitions. Second operand has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:03:59,485 INFO L93 Difference]: Finished difference Result 1392 states and 1732 transitions. [2024-11-28 04:03:59,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 04:03:59,486 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 04:03:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:03:59,491 INFO L225 Difference]: With dead ends: 1392 [2024-11-28 04:03:59,491 INFO L226 Difference]: Without dead ends: 1002 [2024-11-28 04:03:59,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 04:03:59,494 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 438 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:03:59,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1926 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-11-28 04:03:59,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2024-11-28 04:03:59,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 735. [2024-11-28 04:03:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 650 states have (on average 1.1876923076923076) internal successors, (772), 655 states have internal predecessors, (772), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:03:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 888 transitions. [2024-11-28 04:03:59,740 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 888 transitions. Word has length 112 [2024-11-28 04:03:59,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:03:59,740 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 888 transitions. [2024-11-28 04:03:59,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 17 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 04:03:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 888 transitions. [2024-11-28 04:03:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:03:59,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:03:59,742 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:03:59,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-28 04:03:59,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:03:59,943 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:03:59,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:03:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1074756446, now seen corresponding path program 1 times [2024-11-28 04:03:59,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:03:59,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101052644] [2024-11-28 04:03:59,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:03:59,944 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 [2024-11-28 04:03:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:03:59,946 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:03:59,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-28 04:04:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:00,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-28 04:04:00,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:03,926 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 8 treesize of output 1 [2024-11-28 04:04:05,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-28 04:04:07,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-28 04:04:09,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:04:10,252 INFO L349 Elim1Store]: treesize reduction 24, result has 38.5 percent of original size [2024-11-28 04:04:10,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 38 [2024-11-28 04:04:10,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 50 [2024-11-28 04:04:12,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-28 04:04:13,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-11-28 04:04:13,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:13,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 65 [2024-11-28 04:04:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 81 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-28 04:04:13,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:19,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:04:19,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101052644] [2024-11-28 04:04:19,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101052644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:04:19,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [411322198] [2024-11-28 04:04:19,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:04:19,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:04:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:04:19,173 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:04:19,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-28 04:04:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:04:20,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 04:04:20,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:04:21,126 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 17 treesize of output 9 [2024-11-28 04:04:22,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 04:04:24,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-28 04:04:25,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-28 04:04:27,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:04:29,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:04:29,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 70 [2024-11-28 04:04:30,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-28 04:04:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 86 proven. 81 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-28 04:04:35,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:04:49,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [411322198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:04:49,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:04:49,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 15] total 40 [2024-11-28 04:04:49,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357330863] [2024-11-28 04:04:49,341 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:04:49,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-28 04:04:49,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:04:49,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-28 04:04:49,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=3136, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 04:04:49,344 INFO L87 Difference]: Start difference. First operand 735 states and 888 transitions. Second operand has 41 states, 38 states have (on average 3.9210526315789473) internal successors, (149), 39 states have internal predecessors, (149), 11 states have call successors, (22), 9 states have call predecessors, (22), 11 states have return successors, (22), 8 states have call predecessors, (22), 11 states have call successors, (22) [2024-11-28 04:05:31,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:45,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:05:52,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:30,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:41,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:44,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:07:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:07:45,857 INFO L93 Difference]: Finished difference Result 1626 states and 2021 transitions. [2024-11-28 04:07:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-11-28 04:07:45,859 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 38 states have (on average 3.9210526315789473) internal successors, (149), 39 states have internal predecessors, (149), 11 states have call successors, (22), 9 states have call predecessors, (22), 11 states have return successors, (22), 8 states have call predecessors, (22), 11 states have call successors, (22) Word has length 115 [2024-11-28 04:07:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:07:45,863 INFO L225 Difference]: With dead ends: 1626 [2024-11-28 04:07:45,863 INFO L226 Difference]: Without dead ends: 1224 [2024-11-28 04:07:45,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3656 ImplicationChecksByTransitivity, 109.4s TimeCoverageRelationStatistics Valid=2056, Invalid=12705, Unknown=1, NotChecked=0, Total=14762 [2024-11-28 04:07:45,870 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 1426 mSDsluCounter, 5165 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 312 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1426 SdHoareTripleChecker+Valid, 5374 SdHoareTripleChecker+Invalid, 3648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:07:45,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1426 Valid, 5374 Invalid, 3648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [312 Valid, 3330 Invalid, 6 Unknown, 0 Unchecked, 99.1s Time] [2024-11-28 04:07:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-28 04:07:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 745. [2024-11-28 04:07:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 660 states have (on average 1.1848484848484848) internal successors, (782), 665 states have internal predecessors, (782), 58 states have call successors, (58), 26 states have call predecessors, (58), 26 states have return successors, (58), 53 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 04:07:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 898 transitions. [2024-11-28 04:07:46,226 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 898 transitions. Word has length 115 [2024-11-28 04:07:46,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:07:46,226 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 898 transitions. [2024-11-28 04:07:46,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 38 states have (on average 3.9210526315789473) internal successors, (149), 39 states have internal predecessors, (149), 11 states have call successors, (22), 9 states have call predecessors, (22), 11 states have return successors, (22), 8 states have call predecessors, (22), 11 states have call successors, (22) [2024-11-28 04:07:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 898 transitions. [2024-11-28 04:07:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:07:46,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:07:46,228 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:07:46,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-28 04:07:46,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-28 04:07:46,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 04:07:46,632 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:07:46,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:07:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1017917154, now seen corresponding path program 1 times [2024-11-28 04:07:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:07:46,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472394076] [2024-11-28 04:07:46,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:07:46,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:07:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:07:46,635 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:07:46,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4db0d3f7-dfe6-4709-91a0-053723661664/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-28 04:07:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:07:47,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:07:47,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:07:47,112 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 17 treesize of output 9 [2024-11-28 04:07:47,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 04:07:49,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 04:07:49,309 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 64 treesize of output 56