./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC --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 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:55:58,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:55:58,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:55:58,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:55:58,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:55:58,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:55:58,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:55:58,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:55:58,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:55:58,226 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:55:58,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:55:58,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:55:58,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:55:58,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:55:58,227 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:55:58,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:55:58,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:55:58,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:55:58,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:55:58,229 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:58,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:55:58,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:55:58,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:55:58,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:55:58,230 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC 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 -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-11-24 00:55:58,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:55:58,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:55:58,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:55:58,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:55:58,589 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:55:58,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:01,642 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/b5b3d473b/ce5db6809d1f46179bfc96ced54c99ff/FLAGd59cab3ad [2024-11-24 00:56:02,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:56:02,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:02,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/b5b3d473b/ce5db6809d1f46179bfc96ced54c99ff/FLAGd59cab3ad [2024-11-24 00:56:02,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/b5b3d473b/ce5db6809d1f46179bfc96ced54c99ff [2024-11-24 00:56:02,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:56:02,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:56:02,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:02,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:56:02,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:56:02,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664495ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02, skipping insertion in model container [2024-11-24 00:56:02,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:56:02,437 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-24 00:56:02,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:02,508 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:56:02,517 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-24 00:56:02,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:02,569 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:56:02,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02 WrapperNode [2024-11-24 00:56:02,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:02,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:02,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:56:02,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:56:02,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,632 INFO L138 Inliner]: procedures = 29, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-11-24 00:56:02,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:02,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:56:02,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:56:02,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:56:02,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,676 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-11-24 00:56:02,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:56:02,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:56:02,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:56:02,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:56:02,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (1/1) ... [2024-11-24 00:56:02,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:02,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:56:02,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:56:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:56:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 00:56:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 00:56:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 00:56:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 00:56:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 00:56:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 00:56:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-24 00:56:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-24 00:56:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:56:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:56:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:56:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:56:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:56:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:56:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:56:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 00:56:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 00:56:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 00:56:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 00:56:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 00:56:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 00:56:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:56:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 00:56:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:56:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:56:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:56:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:56:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:56:03,110 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:56:03,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:56:03,846 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-24 00:56:03,847 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:56:03,865 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:56:03,867 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:56:03,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:03 BoogieIcfgContainer [2024-11-24 00:56:03,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:56:03,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:56:03,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:56:03,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:56:03,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:56:02" (1/3) ... [2024-11-24 00:56:03,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acdc5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:03, skipping insertion in model container [2024-11-24 00:56:03,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:02" (2/3) ... [2024-11-24 00:56:03,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acdc5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:03, skipping insertion in model container [2024-11-24 00:56:03,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:03" (3/3) ... [2024-11-24 00:56:03,880 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:03,899 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:56:03,901 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:56:03,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:56:04,006 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;@5fd15405, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:56:04,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:56:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:04,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:04,058 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:04,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:04,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1099803334, now seen corresponding path program 1 times [2024-11-24 00:56:04,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:04,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389977858] [2024-11-24 00:56:04,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-24 00:56:04,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:04,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389977858] [2024-11-24 00:56:04,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389977858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:04,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356580056] [2024-11-24 00:56:04,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:04,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:56:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:04,540 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:56:04,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:56:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:04,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:56:04,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-24 00:56:04,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:04,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356580056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:56:04,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:56:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113352573] [2024-11-24 00:56:04,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:04,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:56:04,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:05,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:56:05,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:56:05,021 INFO L87 Difference]: Start difference. First operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:05,063 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-11-24 00:56:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:56:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-24 00:56:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:05,075 INFO L225 Difference]: With dead ends: 207 [2024-11-24 00:56:05,075 INFO L226 Difference]: Without dead ends: 103 [2024-11-24 00:56:05,082 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 [2024-11-24 00:56:05,089 INFO L435 NwaCegarLoop]: 151 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, 151 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 [2024-11-24 00:56:05,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-24 00:56:05,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-24 00:56:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:05,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-11-24 00:56:05,143 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-11-24 00:56:05,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:05,144 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-11-24 00:56:05,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-11-24 00:56:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:05,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:05,148 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:05,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:56:05,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:56:05,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:05,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:05,350 INFO L85 PathProgramCache]: Analyzing trace with hash -990224056, now seen corresponding path program 1 times [2024-11-24 00:56:05,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848799653] [2024-11-24 00:56:05,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:05,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:05,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848799653] [2024-11-24 00:56:05,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848799653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:05,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:05,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:05,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862763292] [2024-11-24 00:56:05,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:05,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:05,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:05,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:05,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:05,945 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:06,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:06,001 INFO L93 Difference]: Finished difference Result 205 states and 302 transitions. [2024-11-24 00:56:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:06,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-24 00:56:06,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:06,007 INFO L225 Difference]: With dead ends: 205 [2024-11-24 00:56:06,007 INFO L226 Difference]: Without dead ends: 105 [2024-11-24 00:56:06,008 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 [2024-11-24 00:56:06,009 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 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 [2024-11-24 00:56:06,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:06,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-24 00:56:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-24 00:56:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 94 states have internal predecessors, (135), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-11-24 00:56:06,029 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-11-24 00:56:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:06,031 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-11-24 00:56:06,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-11-24 00:56:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:06,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:06,033 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:06,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:56:06,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:06,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:06,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1038362054, now seen corresponding path program 1 times [2024-11-24 00:56:06,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:06,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92685911] [2024-11-24 00:56:06,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:06,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:06,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92685911] [2024-11-24 00:56:06,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92685911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:06,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:06,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:06,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280222369] [2024-11-24 00:56:06,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:06,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:06,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:06,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:06,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:06,391 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:06,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:06,449 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-11-24 00:56:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:06,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:56:06,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:06,452 INFO L225 Difference]: With dead ends: 210 [2024-11-24 00:56:06,452 INFO L226 Difference]: Without dead ends: 108 [2024-11-24 00:56:06,452 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 [2024-11-24 00:56:06,453 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:06,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:06,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-24 00:56:06,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-24 00:56:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-24 00:56:06,473 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-11-24 00:56:06,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:06,473 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-24 00:56:06,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-24 00:56:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:06,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:06,475 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:06,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:56:06,476 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:06,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:06,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1481597880, now seen corresponding path program 1 times [2024-11-24 00:56:06,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:06,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466481831] [2024-11-24 00:56:06,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:06,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:06,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:06,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466481831] [2024-11-24 00:56:06,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466481831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:06,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:06,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:06,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185318542] [2024-11-24 00:56:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:06,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:06,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:06,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:06,739 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:06,779 INFO L93 Difference]: Finished difference Result 214 states and 311 transitions. [2024-11-24 00:56:06,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:06,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:56:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:06,784 INFO L225 Difference]: With dead ends: 214 [2024-11-24 00:56:06,784 INFO L226 Difference]: Without dead ends: 110 [2024-11-24 00:56:06,785 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 [2024-11-24 00:56:06,789 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:06,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:06,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-24 00:56:06,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-24 00:56:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 98 states have (on average 1.4183673469387754) internal successors, (139), 98 states have internal predecessors, (139), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-24 00:56:06,804 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 98 [2024-11-24 00:56:06,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:06,808 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-24 00:56:06,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-24 00:56:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:06,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:06,811 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:06,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:56:06,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:06,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1479750838, now seen corresponding path program 1 times [2024-11-24 00:56:06,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:06,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937279526] [2024-11-24 00:56:06,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:56:07,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:07,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937279526] [2024-11-24 00:56:07,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937279526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:07,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477092604] [2024-11-24 00:56:07,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:07,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:56:07,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:07,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:56:07,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:56:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:08,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:56:08,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:08,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:56:08,333 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 [2024-11-24 00:56:08,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:56:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:56:08,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:56:09,336 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 32 treesize of output 28 [2024-11-24 00:56:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:56:09,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477092604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:56:09,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:56:09,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-11-24 00:56:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136199251] [2024-11-24 00:56:09,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:56:09,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 00:56:09,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:09,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 00:56:09,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:56:09,471 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-24 00:56:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:10,406 INFO L93 Difference]: Finished difference Result 330 states and 473 transitions. [2024-11-24 00:56:10,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:56:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) Word has length 98 [2024-11-24 00:56:10,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:10,409 INFO L225 Difference]: With dead ends: 330 [2024-11-24 00:56:10,409 INFO L226 Difference]: Without dead ends: 224 [2024-11-24 00:56:10,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:56:10,412 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 521 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:10,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1727 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:56:10,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-24 00:56:10,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 156. [2024-11-24 00:56:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 134 states have (on average 1.373134328358209) internal successors, (184), 134 states have internal predecessors, (184), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:56:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2024-11-24 00:56:10,434 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 98 [2024-11-24 00:56:10,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:10,434 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2024-11-24 00:56:10,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-24 00:56:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2024-11-24 00:56:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:10,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:10,437 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:10,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:56:10,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:56:10,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:10,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:10,642 INFO L85 PathProgramCache]: Analyzing trace with hash -93547444, now seen corresponding path program 1 times [2024-11-24 00:56:10,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:10,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338708875] [2024-11-24 00:56:10,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:10,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:12,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:12,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338708875] [2024-11-24 00:56:12,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338708875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:12,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:12,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:56:12,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579495873] [2024-11-24 00:56:12,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:12,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:56:12,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:12,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:56:12,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:12,741 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:13,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:13,181 INFO L93 Difference]: Finished difference Result 476 states and 685 transitions. [2024-11-24 00:56:13,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:56:13,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:56:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:13,186 INFO L225 Difference]: With dead ends: 476 [2024-11-24 00:56:13,186 INFO L226 Difference]: Without dead ends: 370 [2024-11-24 00:56:13,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:56:13,192 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 250 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:13,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 993 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:56:13,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-24 00:56:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 279. [2024-11-24 00:56:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2024-11-24 00:56:13,225 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 98 [2024-11-24 00:56:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:13,226 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2024-11-24 00:56:13,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2024-11-24 00:56:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:13,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:13,228 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:13,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:56:13,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:13,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:13,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1186316234, now seen corresponding path program 1 times [2024-11-24 00:56:13,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:13,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80768084] [2024-11-24 00:56:13,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:13,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80768084] [2024-11-24 00:56:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80768084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:13,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:13,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:56:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849962360] [2024-11-24 00:56:13,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:13,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:56:13,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:13,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:56:13,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:56:13,625 INFO L87 Difference]: Start difference. First operand 279 states and 402 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:13,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:13,880 INFO L93 Difference]: Finished difference Result 516 states and 749 transitions. [2024-11-24 00:56:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:56:13,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:56:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:13,883 INFO L225 Difference]: With dead ends: 516 [2024-11-24 00:56:13,883 INFO L226 Difference]: Without dead ends: 287 [2024-11-24 00:56:13,886 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:13,887 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 141 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:13,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 662 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-24 00:56:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-24 00:56:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.3992094861660078) internal successors, (354), 253 states have internal predecessors, (354), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 408 transitions. [2024-11-24 00:56:13,918 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 408 transitions. Word has length 98 [2024-11-24 00:56:13,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:13,919 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 408 transitions. [2024-11-24 00:56:13,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 408 transitions. [2024-11-24 00:56:13,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:56:13,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:13,921 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:13,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:56:13,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:13,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:13,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1711890890, now seen corresponding path program 1 times [2024-11-24 00:56:13,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:13,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275367954] [2024-11-24 00:56:13,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:14,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:14,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275367954] [2024-11-24 00:56:14,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275367954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:14,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:14,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:14,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81577988] [2024-11-24 00:56:14,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:14,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:14,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:14,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:14,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:14,247 INFO L87 Difference]: Start difference. First operand 285 states and 408 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:14,487 INFO L93 Difference]: Finished difference Result 526 states and 758 transitions. [2024-11-24 00:56:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:14,488 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:56:14,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:14,491 INFO L225 Difference]: With dead ends: 526 [2024-11-24 00:56:14,491 INFO L226 Difference]: Without dead ends: 291 [2024-11-24 00:56:14,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:14,493 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 144 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:14,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 528 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-24 00:56:14,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 289. [2024-11-24 00:56:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 257 states have (on average 1.3929961089494163) internal successors, (358), 257 states have internal predecessors, (358), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 412 transitions. [2024-11-24 00:56:14,525 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 412 transitions. Word has length 98 [2024-11-24 00:56:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:14,525 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 412 transitions. [2024-11-24 00:56:14,525 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 412 transitions. [2024-11-24 00:56:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-24 00:56:14,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:14,527 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:14,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:56:14,528 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:14,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:14,528 INFO L85 PathProgramCache]: Analyzing trace with hash 981494475, now seen corresponding path program 1 times [2024-11-24 00:56:14,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:14,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165119066] [2024-11-24 00:56:14,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:14,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:14,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:14,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165119066] [2024-11-24 00:56:14,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165119066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:14,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:14,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767179706] [2024-11-24 00:56:14,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:14,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:14,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:14,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:14,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:14,673 INFO L87 Difference]: Start difference. First operand 289 states and 412 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:14,895 INFO L93 Difference]: Finished difference Result 722 states and 1034 transitions. [2024-11-24 00:56:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:14,896 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-24 00:56:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:14,900 INFO L225 Difference]: With dead ends: 722 [2024-11-24 00:56:14,900 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:56:14,901 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 [2024-11-24 00:56:14,902 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 126 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:14,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 809 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:14,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:56:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-11-24 00:56:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3964912280701753) internal successors, (398), 285 states have internal predecessors, (398), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 452 transitions. [2024-11-24 00:56:14,937 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 452 transitions. Word has length 99 [2024-11-24 00:56:14,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:14,938 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 452 transitions. [2024-11-24 00:56:14,938 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 452 transitions. [2024-11-24 00:56:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-24 00:56:14,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:14,940 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:14,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:56:14,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:14,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2102007732, now seen corresponding path program 1 times [2024-11-24 00:56:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:14,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439808014] [2024-11-24 00:56:14,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:15,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:15,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439808014] [2024-11-24 00:56:15,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439808014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:15,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:15,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167725724] [2024-11-24 00:56:15,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:15,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:15,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:15,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:15,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:15,073 INFO L87 Difference]: Start difference. First operand 317 states and 452 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:15,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:15,298 INFO L93 Difference]: Finished difference Result 750 states and 1072 transitions. [2024-11-24 00:56:15,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:56:15,299 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-24 00:56:15,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:15,303 INFO L225 Difference]: With dead ends: 750 [2024-11-24 00:56:15,304 INFO L226 Difference]: Without dead ends: 483 [2024-11-24 00:56:15,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:15,306 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 142 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:15,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 676 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:56:15,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-24 00:56:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-11-24 00:56:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3859649122807018) internal successors, (395), 285 states have internal predecessors, (395), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 449 transitions. [2024-11-24 00:56:15,371 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 449 transitions. Word has length 99 [2024-11-24 00:56:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:15,372 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 449 transitions. [2024-11-24 00:56:15,372 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 449 transitions. [2024-11-24 00:56:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:56:15,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:15,374 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:15,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:56:15,374 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:15,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:15,375 INFO L85 PathProgramCache]: Analyzing trace with hash 291706119, now seen corresponding path program 1 times [2024-11-24 00:56:15,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:15,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864703548] [2024-11-24 00:56:15,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:15,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864703548] [2024-11-24 00:56:15,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864703548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:15,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:15,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:15,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554517877] [2024-11-24 00:56:15,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:15,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:15,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:15,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:15,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:15,585 INFO L87 Difference]: Start difference. First operand 317 states and 449 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:15,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:15,671 INFO L93 Difference]: Finished difference Result 666 states and 949 transitions. [2024-11-24 00:56:15,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:15,672 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-24 00:56:15,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:15,674 INFO L225 Difference]: With dead ends: 666 [2024-11-24 00:56:15,674 INFO L226 Difference]: Without dead ends: 399 [2024-11-24 00:56:15,675 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 [2024-11-24 00:56:15,676 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 75 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:15,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 569 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-24 00:56:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 365. [2024-11-24 00:56:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 333 states have (on average 1.3933933933933933) internal successors, (464), 333 states have internal predecessors, (464), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:15,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 518 transitions. [2024-11-24 00:56:15,723 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 518 transitions. Word has length 100 [2024-11-24 00:56:15,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:15,724 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 518 transitions. [2024-11-24 00:56:15,724 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 518 transitions. [2024-11-24 00:56:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:56:15,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:15,726 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:15,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:56:15,726 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:15,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:15,727 INFO L85 PathProgramCache]: Analyzing trace with hash -719411131, now seen corresponding path program 1 times [2024-11-24 00:56:15,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:15,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377022525] [2024-11-24 00:56:15,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:15,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:56:15,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:15,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377022525] [2024-11-24 00:56:15,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377022525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:15,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050828770] [2024-11-24 00:56:15,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:56:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:15,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:56:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:56:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:16,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:56:16,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:16,300 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:16,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050828770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:56:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 00:56:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328707759] [2024-11-24 00:56:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:16,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:16,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:16,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:16,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:16,302 INFO L87 Difference]: Start difference. First operand 365 states and 518 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:16,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:16,353 INFO L93 Difference]: Finished difference Result 685 states and 977 transitions. [2024-11-24 00:56:16,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:16,354 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-24 00:56:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:16,356 INFO L225 Difference]: With dead ends: 685 [2024-11-24 00:56:16,356 INFO L226 Difference]: Without dead ends: 370 [2024-11-24 00:56:16,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:16,359 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:16,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-24 00:56:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-11-24 00:56:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 338 states have (on average 1.3875739644970415) internal successors, (469), 338 states have internal predecessors, (469), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:16,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 523 transitions. [2024-11-24 00:56:16,396 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 523 transitions. Word has length 100 [2024-11-24 00:56:16,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:16,398 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 523 transitions. [2024-11-24 00:56:16,398 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 523 transitions. [2024-11-24 00:56:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:56:16,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:16,400 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:16,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:56:16,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 00:56:16,601 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:16,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:16,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245815, now seen corresponding path program 1 times [2024-11-24 00:56:16,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:16,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083051456] [2024-11-24 00:56:16,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:17,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083051456] [2024-11-24 00:56:17,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083051456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:17,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:56:17,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657779064] [2024-11-24 00:56:17,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:17,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:56:17,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:17,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:56:17,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:56:17,103 INFO L87 Difference]: Start difference. First operand 370 states and 523 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:18,450 INFO L93 Difference]: Finished difference Result 1157 states and 1643 transitions. [2024-11-24 00:56:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:56:18,451 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-24 00:56:18,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:18,456 INFO L225 Difference]: With dead ends: 1157 [2024-11-24 00:56:18,456 INFO L226 Difference]: Without dead ends: 837 [2024-11-24 00:56:18,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:56:18,458 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 378 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:18,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2777 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:56:18,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-24 00:56:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 415. [2024-11-24 00:56:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 383 states have (on average 1.412532637075718) internal successors, (541), 383 states have internal predecessors, (541), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:18,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 595 transitions. [2024-11-24 00:56:18,505 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 595 transitions. Word has length 100 [2024-11-24 00:56:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:18,506 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 595 transitions. [2024-11-24 00:56:18,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 595 transitions. [2024-11-24 00:56:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:56:18,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:18,510 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:18,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:56:18,510 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:18,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:18,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1863871309, now seen corresponding path program 1 times [2024-11-24 00:56:18,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:18,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829584377] [2024-11-24 00:56:18,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:19,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:19,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829584377] [2024-11-24 00:56:19,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829584377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:19,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:19,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:56:19,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354739699] [2024-11-24 00:56:19,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:19,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:56:19,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:19,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:56:19,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:56:19,030 INFO L87 Difference]: Start difference. First operand 415 states and 595 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:20,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:20,257 INFO L93 Difference]: Finished difference Result 1231 states and 1768 transitions. [2024-11-24 00:56:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:56:20,258 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-24 00:56:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:20,263 INFO L225 Difference]: With dead ends: 1231 [2024-11-24 00:56:20,263 INFO L226 Difference]: Without dead ends: 866 [2024-11-24 00:56:20,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:56:20,266 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 470 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:20,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1906 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:56:20,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-24 00:56:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 463. [2024-11-24 00:56:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 431 states have (on average 1.4222737819025522) internal successors, (613), 431 states have internal predecessors, (613), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 667 transitions. [2024-11-24 00:56:20,311 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 667 transitions. Word has length 100 [2024-11-24 00:56:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:20,311 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 667 transitions. [2024-11-24 00:56:20,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 667 transitions. [2024-11-24 00:56:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:56:20,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:20,314 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:20,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:56:20,315 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:20,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:20,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1151232309, now seen corresponding path program 1 times [2024-11-24 00:56:20,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:20,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572547381] [2024-11-24 00:56:20,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:20,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:20,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:20,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572547381] [2024-11-24 00:56:20,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572547381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:20,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:20,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:20,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316690691] [2024-11-24 00:56:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:20,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:20,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:20,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:20,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:20,519 INFO L87 Difference]: Start difference. First operand 463 states and 667 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:20,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:20,630 INFO L93 Difference]: Finished difference Result 1132 states and 1631 transitions. [2024-11-24 00:56:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:20,630 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-24 00:56:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:20,634 INFO L225 Difference]: With dead ends: 1132 [2024-11-24 00:56:20,634 INFO L226 Difference]: Without dead ends: 719 [2024-11-24 00:56:20,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:20,636 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 139 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:20,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 997 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:20,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-24 00:56:20,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 501. [2024-11-24 00:56:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 469 states have (on average 1.4264392324093818) internal successors, (669), 469 states have internal predecessors, (669), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 723 transitions. [2024-11-24 00:56:20,677 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 723 transitions. Word has length 100 [2024-11-24 00:56:20,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:20,677 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 723 transitions. [2024-11-24 00:56:20,677 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 723 transitions. [2024-11-24 00:56:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:56:20,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:20,679 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:20,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:56:20,679 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:20,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:20,680 INFO L85 PathProgramCache]: Analyzing trace with hash -54842628, now seen corresponding path program 1 times [2024-11-24 00:56:20,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:20,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415953041] [2024-11-24 00:56:20,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:20,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:21,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:21,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415953041] [2024-11-24 00:56:21,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415953041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:21,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:21,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:56:21,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182730169] [2024-11-24 00:56:21,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:21,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:56:21,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:21,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:56:21,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:21,075 INFO L87 Difference]: Start difference. First operand 501 states and 723 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:22,062 INFO L93 Difference]: Finished difference Result 1611 states and 2322 transitions. [2024-11-24 00:56:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:56:22,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:56:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:22,070 INFO L225 Difference]: With dead ends: 1611 [2024-11-24 00:56:22,070 INFO L226 Difference]: Without dead ends: 1160 [2024-11-24 00:56:22,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:56:22,072 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 425 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:22,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1710 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:56:22,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-24 00:56:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 579. [2024-11-24 00:56:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 547 states have (on average 1.453382084095064) internal successors, (795), 547 states have internal predecessors, (795), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 849 transitions. [2024-11-24 00:56:22,126 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 849 transitions. Word has length 101 [2024-11-24 00:56:22,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:22,127 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 849 transitions. [2024-11-24 00:56:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 849 transitions. [2024-11-24 00:56:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:56:22,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:22,128 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:22,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:56:22,129 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:22,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1475254916, now seen corresponding path program 1 times [2024-11-24 00:56:22,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:22,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413402970] [2024-11-24 00:56:22,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:22,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:22,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413402970] [2024-11-24 00:56:22,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413402970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:22,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:22,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:56:22,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089337047] [2024-11-24 00:56:22,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:22,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:56:22,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:22,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:56:22,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:22,598 INFO L87 Difference]: Start difference. First operand 579 states and 849 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:23,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:23,574 INFO L93 Difference]: Finished difference Result 1568 states and 2276 transitions. [2024-11-24 00:56:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:56:23,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-24 00:56:23,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:23,579 INFO L225 Difference]: With dead ends: 1568 [2024-11-24 00:56:23,580 INFO L226 Difference]: Without dead ends: 1033 [2024-11-24 00:56:23,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:56:23,582 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 346 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:23,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 2293 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:56:23,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-24 00:56:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 603. [2024-11-24 00:56:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 571 states have (on average 1.4553415061295971) internal successors, (831), 571 states have internal predecessors, (831), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 885 transitions. [2024-11-24 00:56:23,637 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 885 transitions. Word has length 101 [2024-11-24 00:56:23,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:23,638 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 885 transitions. [2024-11-24 00:56:23,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:23,638 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 885 transitions. [2024-11-24 00:56:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:56:23,640 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:23,640 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:23,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:56:23,640 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:23,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:23,641 INFO L85 PathProgramCache]: Analyzing trace with hash 418921356, now seen corresponding path program 1 times [2024-11-24 00:56:23,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:23,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006709026] [2024-11-24 00:56:23,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:23,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:24,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:24,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006709026] [2024-11-24 00:56:24,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006709026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:24,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:24,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:56:24,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797461764] [2024-11-24 00:56:24,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:24,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:56:24,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:24,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:56:24,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:56:24,124 INFO L87 Difference]: Start difference. First operand 603 states and 885 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:25,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:25,110 INFO L93 Difference]: Finished difference Result 2021 states and 2936 transitions. [2024-11-24 00:56:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:56:25,111 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:56:25,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:25,117 INFO L225 Difference]: With dead ends: 2021 [2024-11-24 00:56:25,117 INFO L226 Difference]: Without dead ends: 1462 [2024-11-24 00:56:25,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:56:25,119 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 426 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:25,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2823 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:56:25,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-11-24 00:56:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 692. [2024-11-24 00:56:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 660 states have (on average 1.4621212121212122) internal successors, (965), 660 states have internal predecessors, (965), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1019 transitions. [2024-11-24 00:56:25,191 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1019 transitions. Word has length 102 [2024-11-24 00:56:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:25,192 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1019 transitions. [2024-11-24 00:56:25,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1019 transitions. [2024-11-24 00:56:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:56:25,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:25,194 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:25,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:56:25,194 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:25,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:25,195 INFO L85 PathProgramCache]: Analyzing trace with hash 67003244, now seen corresponding path program 1 times [2024-11-24 00:56:25,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:25,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528450141] [2024-11-24 00:56:25,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:25,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:25,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528450141] [2024-11-24 00:56:25,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528450141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:25,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:25,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:56:25,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824743857] [2024-11-24 00:56:25,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:25,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:56:25,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:25,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:56:25,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:56:25,444 INFO L87 Difference]: Start difference. First operand 692 states and 1019 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:25,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:25,885 INFO L93 Difference]: Finished difference Result 1650 states and 2431 transitions. [2024-11-24 00:56:25,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:56:25,886 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:56:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:25,890 INFO L225 Difference]: With dead ends: 1650 [2024-11-24 00:56:25,890 INFO L226 Difference]: Without dead ends: 1008 [2024-11-24 00:56:25,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:25,892 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 132 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:25,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1723 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:56:25,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-11-24 00:56:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 716. [2024-11-24 00:56:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 684 states have (on average 1.4678362573099415) internal successors, (1004), 684 states have internal predecessors, (1004), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1058 transitions. [2024-11-24 00:56:25,944 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1058 transitions. Word has length 102 [2024-11-24 00:56:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:25,944 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1058 transitions. [2024-11-24 00:56:25,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1058 transitions. [2024-11-24 00:56:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:56:25,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:25,946 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:25,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:56:25,947 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:25,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash -922981936, now seen corresponding path program 1 times [2024-11-24 00:56:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:25,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060231931] [2024-11-24 00:56:25,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:25,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:26,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:26,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060231931] [2024-11-24 00:56:26,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060231931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:26,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:26,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:56:26,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307901903] [2024-11-24 00:56:26,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:26,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:56:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:26,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:56:26,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:56:26,365 INFO L87 Difference]: Start difference. First operand 716 states and 1058 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:26,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:26,946 INFO L93 Difference]: Finished difference Result 1514 states and 2229 transitions. [2024-11-24 00:56:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:56:26,947 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:56:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:26,951 INFO L225 Difference]: With dead ends: 1514 [2024-11-24 00:56:26,951 INFO L226 Difference]: Without dead ends: 848 [2024-11-24 00:56:26,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:56:26,954 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 523 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:26,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 893 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:56:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-24 00:56:26,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 660. [2024-11-24 00:56:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 628 states have (on average 1.4378980891719746) internal successors, (903), 628 states have internal predecessors, (903), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 957 transitions. [2024-11-24 00:56:27,004 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 957 transitions. Word has length 102 [2024-11-24 00:56:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:27,004 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 957 transitions. [2024-11-24 00:56:27,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 957 transitions. [2024-11-24 00:56:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:56:27,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:27,006 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:27,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:56:27,006 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:27,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1274900048, now seen corresponding path program 1 times [2024-11-24 00:56:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:27,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528593341] [2024-11-24 00:56:27,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:27,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:27,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:27,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528593341] [2024-11-24 00:56:27,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528593341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:27,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:27,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:56:27,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489804988] [2024-11-24 00:56:27,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:27,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:56:27,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:27,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:56:27,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:56:27,256 INFO L87 Difference]: Start difference. First operand 660 states and 957 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:27,651 INFO L93 Difference]: Finished difference Result 1500 states and 2167 transitions. [2024-11-24 00:56:27,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:56:27,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:56:27,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:27,655 INFO L225 Difference]: With dead ends: 1500 [2024-11-24 00:56:27,655 INFO L226 Difference]: Without dead ends: 884 [2024-11-24 00:56:27,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:27,657 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 133 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:27,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1336 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:56:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-24 00:56:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 672. [2024-11-24 00:56:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 640 states have (on average 1.434375) internal successors, (918), 640 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 972 transitions. [2024-11-24 00:56:27,700 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 972 transitions. Word has length 102 [2024-11-24 00:56:27,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:27,701 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 972 transitions. [2024-11-24 00:56:27,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 972 transitions. [2024-11-24 00:56:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:56:27,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:27,703 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:27,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 00:56:27,703 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:27,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1720377663, now seen corresponding path program 1 times [2024-11-24 00:56:27,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:27,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127288779] [2024-11-24 00:56:27,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:28,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:28,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127288779] [2024-11-24 00:56:28,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127288779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:28,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:28,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:56:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968476710] [2024-11-24 00:56:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:28,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:56:28,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:28,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:56:28,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:28,109 INFO L87 Difference]: Start difference. First operand 672 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:29,061 INFO L93 Difference]: Finished difference Result 1853 states and 2663 transitions. [2024-11-24 00:56:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:56:29,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:56:29,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:29,066 INFO L225 Difference]: With dead ends: 1853 [2024-11-24 00:56:29,066 INFO L226 Difference]: Without dead ends: 1231 [2024-11-24 00:56:29,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:56:29,069 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 419 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:29,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1709 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:56:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2024-11-24 00:56:29,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 671. [2024-11-24 00:56:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 639 states have (on average 1.4366197183098592) internal successors, (918), 639 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 972 transitions. [2024-11-24 00:56:29,117 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 972 transitions. Word has length 103 [2024-11-24 00:56:29,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:29,118 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 972 transitions. [2024-11-24 00:56:29,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 972 transitions. [2024-11-24 00:56:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:56:29,119 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:29,120 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:29,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:56:29,120 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:29,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1482714049, now seen corresponding path program 1 times [2024-11-24 00:56:29,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621050386] [2024-11-24 00:56:29,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:29,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:29,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:29,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621050386] [2024-11-24 00:56:29,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621050386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:29,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:29,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:56:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611777215] [2024-11-24 00:56:29,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:29,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:56:29,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:29,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:56:29,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:29,499 INFO L87 Difference]: Start difference. First operand 671 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:30,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:30,471 INFO L93 Difference]: Finished difference Result 1693 states and 2429 transitions. [2024-11-24 00:56:30,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:56:30,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:56:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:30,477 INFO L225 Difference]: With dead ends: 1693 [2024-11-24 00:56:30,477 INFO L226 Difference]: Without dead ends: 1042 [2024-11-24 00:56:30,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:56:30,482 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 338 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:30,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 2203 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:56:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-24 00:56:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 677. [2024-11-24 00:56:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 645 states have (on average 1.4372093023255814) internal successors, (927), 645 states have internal predecessors, (927), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 981 transitions. [2024-11-24 00:56:30,551 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 981 transitions. Word has length 103 [2024-11-24 00:56:30,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:30,552 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 981 transitions. [2024-11-24 00:56:30,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 981 transitions. [2024-11-24 00:56:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:56:30,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:30,554 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:30,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:56:30,554 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:30,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash 104136137, now seen corresponding path program 1 times [2024-11-24 00:56:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:30,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061361893] [2024-11-24 00:56:30,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:30,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:30,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061361893] [2024-11-24 00:56:30,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061361893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:30,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:30,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:56:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843970038] [2024-11-24 00:56:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:56:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:30,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:56:30,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:56:30,822 INFO L87 Difference]: Start difference. First operand 677 states and 981 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:31,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:31,218 INFO L93 Difference]: Finished difference Result 1608 states and 2334 transitions. [2024-11-24 00:56:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:56:31,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:56:31,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:31,222 INFO L225 Difference]: With dead ends: 1608 [2024-11-24 00:56:31,222 INFO L226 Difference]: Without dead ends: 981 [2024-11-24 00:56:31,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:31,224 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 131 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:31,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1760 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:56:31,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-24 00:56:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 665. [2024-11-24 00:56:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 633 states have (on average 1.4312796208530805) internal successors, (906), 633 states have internal predecessors, (906), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 960 transitions. [2024-11-24 00:56:31,272 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 960 transitions. Word has length 103 [2024-11-24 00:56:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:31,272 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 960 transitions. [2024-11-24 00:56:31,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 960 transitions. [2024-11-24 00:56:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:56:31,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:31,274 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:31,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:56:31,275 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:31,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:31,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1170823199, now seen corresponding path program 1 times [2024-11-24 00:56:31,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:31,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522289552] [2024-11-24 00:56:31,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:31,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:31,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:31,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522289552] [2024-11-24 00:56:31,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522289552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:31,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:31,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:56:31,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875503797] [2024-11-24 00:56:31,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:31,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:56:31,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:31,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:56:31,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:56:31,630 INFO L87 Difference]: Start difference. First operand 665 states and 960 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:32,305 INFO L93 Difference]: Finished difference Result 1466 states and 2111 transitions. [2024-11-24 00:56:32,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:56:32,305 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:56:32,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:32,309 INFO L225 Difference]: With dead ends: 1466 [2024-11-24 00:56:32,309 INFO L226 Difference]: Without dead ends: 851 [2024-11-24 00:56:32,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:56:32,310 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 516 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:32,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1318 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:56:32,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-24 00:56:32,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 648. [2024-11-24 00:56:32,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 616 states have (on average 1.426948051948052) internal successors, (879), 616 states have internal predecessors, (879), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 933 transitions. [2024-11-24 00:56:32,355 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 933 transitions. Word has length 103 [2024-11-24 00:56:32,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:32,355 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 933 transitions. [2024-11-24 00:56:32,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 933 transitions. [2024-11-24 00:56:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:56:32,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:32,357 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:32,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 00:56:32,358 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:32,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:32,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2075774890, now seen corresponding path program 1 times [2024-11-24 00:56:32,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:32,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769909880] [2024-11-24 00:56:32,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:32,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:32,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:32,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769909880] [2024-11-24 00:56:32,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769909880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:32,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:56:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453180063] [2024-11-24 00:56:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:32,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:56:32,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:32,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:56:32,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:32,571 INFO L87 Difference]: Start difference. First operand 648 states and 933 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,078 INFO L93 Difference]: Finished difference Result 1839 states and 2629 transitions. [2024-11-24 00:56:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:56:33,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:56:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,083 INFO L225 Difference]: With dead ends: 1839 [2024-11-24 00:56:33,083 INFO L226 Difference]: Without dead ends: 1241 [2024-11-24 00:56:33,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:56:33,085 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 345 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1429 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:56:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-11-24 00:56:33,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 684. [2024-11-24 00:56:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 652 states have (on average 1.3941717791411044) internal successors, (909), 652 states have internal predecessors, (909), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 963 transitions. [2024-11-24 00:56:33,131 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 963 transitions. Word has length 103 [2024-11-24 00:56:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:33,131 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 963 transitions. [2024-11-24 00:56:33,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 963 transitions. [2024-11-24 00:56:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:56:33,133 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:33,133 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:33,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:56:33,134 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:33,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:33,135 INFO L85 PathProgramCache]: Analyzing trace with hash -339049141, now seen corresponding path program 1 times [2024-11-24 00:56:33,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:33,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096138964] [2024-11-24 00:56:33,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:56:33,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:33,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096138964] [2024-11-24 00:56:33,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096138964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:33,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311742629] [2024-11-24 00:56:33,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:56:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:33,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:56:33,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:56:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:33,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:56:33,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:33,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:33,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311742629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:33,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:56:33,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-24 00:56:33,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633511225] [2024-11-24 00:56:33,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:33,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:33,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:33,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:33,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:33,659 INFO L87 Difference]: Start difference. First operand 684 states and 963 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:33,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:33,716 INFO L93 Difference]: Finished difference Result 1324 states and 1868 transitions. [2024-11-24 00:56:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:56:33,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-24 00:56:33,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:33,719 INFO L225 Difference]: With dead ends: 1324 [2024-11-24 00:56:33,719 INFO L226 Difference]: Without dead ends: 690 [2024-11-24 00:56:33,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:33,721 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:33,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:33,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-24 00:56:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2024-11-24 00:56:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 658 states have (on average 1.3905775075987843) internal successors, (915), 658 states have internal predecessors, (915), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 969 transitions. [2024-11-24 00:56:33,766 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 969 transitions. Word has length 104 [2024-11-24 00:56:33,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:33,767 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 969 transitions. [2024-11-24 00:56:33,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:33,767 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 969 transitions. [2024-11-24 00:56:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:56:33,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:33,769 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:33,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:56:33,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-24 00:56:33,972 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:33,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1444823633, now seen corresponding path program 1 times [2024-11-24 00:56:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:33,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758206201] [2024-11-24 00:56:33,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:33,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:34,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:34,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758206201] [2024-11-24 00:56:34,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758206201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:34,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:34,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 00:56:34,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116929105] [2024-11-24 00:56:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:34,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:56:34,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:34,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:56:34,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:56:34,607 INFO L87 Difference]: Start difference. First operand 690 states and 969 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:35,170 INFO L93 Difference]: Finished difference Result 1356 states and 1909 transitions. [2024-11-24 00:56:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:56:35,171 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-24 00:56:35,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:35,173 INFO L225 Difference]: With dead ends: 1356 [2024-11-24 00:56:35,173 INFO L226 Difference]: Without dead ends: 686 [2024-11-24 00:56:35,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:56:35,175 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 141 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:35,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1133 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:56:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-24 00:56:35,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 506. [2024-11-24 00:56:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 474 states have (on average 1.358649789029536) internal successors, (644), 474 states have internal predecessors, (644), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 698 transitions. [2024-11-24 00:56:35,214 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 698 transitions. Word has length 104 [2024-11-24 00:56:35,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:35,215 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 698 transitions. [2024-11-24 00:56:35,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 698 transitions. [2024-11-24 00:56:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:56:35,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:35,216 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:35,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:56:35,217 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:35,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2079753075, now seen corresponding path program 1 times [2024-11-24 00:56:35,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:35,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231182834] [2024-11-24 00:56:35,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:35,534 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:35,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:35,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231182834] [2024-11-24 00:56:35,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231182834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:35,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:35,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:56:35,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763819962] [2024-11-24 00:56:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:35,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:56:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:35,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:56:35,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:35,536 INFO L87 Difference]: Start difference. First operand 506 states and 698 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:35,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:35,826 INFO L93 Difference]: Finished difference Result 902 states and 1254 transitions. [2024-11-24 00:56:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:56:35,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-24 00:56:35,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:35,829 INFO L225 Difference]: With dead ends: 902 [2024-11-24 00:56:35,829 INFO L226 Difference]: Without dead ends: 446 [2024-11-24 00:56:35,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:56:35,831 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 147 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:35,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 606 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:35,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-24 00:56:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 431. [2024-11-24 00:56:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 399 states have (on average 1.3659147869674186) internal successors, (545), 399 states have internal predecessors, (545), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 599 transitions. [2024-11-24 00:56:35,870 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 599 transitions. Word has length 104 [2024-11-24 00:56:35,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:35,871 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 599 transitions. [2024-11-24 00:56:35,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 599 transitions. [2024-11-24 00:56:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:56:35,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:35,872 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:35,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 00:56:35,872 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:35,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash -850857107, now seen corresponding path program 1 times [2024-11-24 00:56:35,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:35,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838217384] [2024-11-24 00:56:35,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:36,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:36,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838217384] [2024-11-24 00:56:36,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838217384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:36,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:36,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:56:36,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224947145] [2024-11-24 00:56:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:36,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:56:36,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:36,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:56:36,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:56:36,211 INFO L87 Difference]: Start difference. First operand 431 states and 599 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:36,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:36,502 INFO L93 Difference]: Finished difference Result 773 states and 1081 transitions. [2024-11-24 00:56:36,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:56:36,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-24 00:56:36,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:36,505 INFO L225 Difference]: With dead ends: 773 [2024-11-24 00:56:36,505 INFO L226 Difference]: Without dead ends: 392 [2024-11-24 00:56:36,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:56:36,506 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 142 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:36,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 780 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:36,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-24 00:56:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 377. [2024-11-24 00:56:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 345 states have (on average 1.3652173913043477) internal successors, (471), 345 states have internal predecessors, (471), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 525 transitions. [2024-11-24 00:56:36,543 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 525 transitions. Word has length 104 [2024-11-24 00:56:36,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:36,543 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 525 transitions. [2024-11-24 00:56:36,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 525 transitions. [2024-11-24 00:56:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 00:56:36,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:36,545 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:56:36,545 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:36,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:36,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1900761118, now seen corresponding path program 1 times [2024-11-24 00:56:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59707585] [2024-11-24 00:56:36,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:56:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:56:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59707585] [2024-11-24 00:56:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59707585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:37,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:37,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:56:37,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087933318] [2024-11-24 00:56:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:37,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:56:37,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:56:37,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:56:37,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:56:37,661 INFO L87 Difference]: Start difference. First operand 377 states and 525 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:37,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:37,974 INFO L93 Difference]: Finished difference Result 385 states and 532 transitions. [2024-11-24 00:56:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:56:37,975 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2024-11-24 00:56:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:37,977 INFO L225 Difference]: With dead ends: 385 [2024-11-24 00:56:37,977 INFO L226 Difference]: Without dead ends: 383 [2024-11-24 00:56:37,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:56:37,978 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 141 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:37,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1113 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-24 00:56:38,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2024-11-24 00:56:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:56:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-11-24 00:56:38,011 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 106 [2024-11-24 00:56:38,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:38,012 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-11-24 00:56:38,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:56:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-11-24 00:56:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 00:56:38,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:38,013 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:38,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 00:56:38,013 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:38,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1898914076, now seen corresponding path program 1 times [2024-11-24 00:56:38,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:56:38,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777142260] [2024-11-24 00:56:38,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:38,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:56:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:56:38,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:56:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:56:38,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:56:38,314 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:56:38,315 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:56:38,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 00:56:38,320 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:38,526 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:56:38,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:56:38 BoogieIcfgContainer [2024-11-24 00:56:38,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:56:38,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:56:38,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:56:38,530 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:56:38,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:03" (3/4) ... [2024-11-24 00:56:38,537 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:56:38,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:56:38,538 INFO L158 Benchmark]: Toolchain (without parser) took 36324.80ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 104.9MB in the beginning and 370.3MB in the end (delta: -265.4MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2024-11-24 00:56:38,539 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:38,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.17ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 90.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:56:38,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.26ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 87.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:38,539 INFO L158 Benchmark]: Boogie Preprocessor took 104.47ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:56:38,540 INFO L158 Benchmark]: RCFGBuilder took 1129.17ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 40.3MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 00:56:38,540 INFO L158 Benchmark]: TraceAbstraction took 34659.07ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 39.7MB in the beginning and 370.4MB in the end (delta: -330.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2024-11-24 00:56:38,540 INFO L158 Benchmark]: Witness Printer took 7.83ms. Allocated memory is still 536.9MB. Free memory was 370.4MB in the beginning and 370.3MB in the end (delta: 110.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:56:38,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.17ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 90.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.26ms. Allocated memory is still 142.6MB. Free memory was 90.8MB in the beginning and 87.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 104.47ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.6MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1129.17ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 40.3MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 34659.07ms. Allocated memory was 142.6MB in the beginning and 536.9MB in the end (delta: 394.3MB). Free memory was 39.7MB in the beginning and 370.4MB in the end (delta: -330.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 7.83ms. Allocated memory is still 536.9MB. Free memory was 370.4MB in the beginning and 370.3MB in the end (delta: 110.9kB). 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 83, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someUnaryDOUBLEoperation at line 32. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L22] signed short int var_1_1 = -10; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_5 = 4; [L24] signed short int var_1_5 = 4; [L25] signed short int* var_1_5_Pointer = &(var_1_5); [L26] unsigned char var_1_7 = 200; [L26] unsigned char var_1_7 = 200; [L27] unsigned char* var_1_7_Pointer = &(var_1_7); [L28] unsigned char var_1_8 = 32; [L28] unsigned char var_1_8 = 32; [L29] unsigned char* var_1_8_Pointer = &(var_1_8); [L30] float var_1_9 = 256.5; [L30] float var_1_9 = 256.5; [L31] float* var_1_9_Pointer = &(var_1_9); [L32] float var_1_10 = -0.25; [L32] float var_1_10 = -0.25; [L33] float* var_1_10_Pointer = &(var_1_10); [L34] float var_1_11 = 0.30000000000000004; [L34] float var_1_11 = 0.30000000000000004; [L35] float* var_1_11_Pointer = &(var_1_11); [L36] float var_1_12 = 49.5; [L36] float var_1_12 = 49.5; [L37] float* var_1_12_Pointer = &(var_1_12); [L38] signed long int var_1_13 = -8; [L38] signed long int var_1_13 = -8; [L39] signed long int* var_1_13_Pointer = &(var_1_13); [L40] unsigned char var_1_14 = 0; [L40] unsigned char var_1_14 = 0; [L41] unsigned char* var_1_14_Pointer = &(var_1_14); [L42] float var_1_15 = 0.4; [L42] float var_1_15 = 0.4; [L43] float* var_1_15_Pointer = &(var_1_15); [L44] signed long int var_1_16 = -256; [L44] signed long int var_1_16 = -256; [L45] signed long int* var_1_16_Pointer = &(var_1_16); [L46] signed long int last_1_var_1_13 = -8; VAL [isInitial=0, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L100] isInitial = 1 [L101] FCALL initially() [L103] CALL updateLastVariables() [L93] EXPR \read(var_1_13) [L93] last_1_var_1_13 = var_1_13 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L76] var_1_5 = __VERIFIER_nondet_short() [L77] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L82] var_1_10 = __VERIFIER_nondet_float() [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L84] var_1_11 = __VERIFIER_nondet_float() [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L86] var_1_12 = __VERIFIER_nondet_float() [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L104] RET updateVariables() [L105] CALL step() [L50] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L50] COND FALSE !((*(var_1_5_Pointer)) < last_1_var_1_13) [L53] EXPR \read(*var_1_7_Pointer) [L53] (*(var_1_16_Pointer)) = (*(var_1_7_Pointer)) [L54] EXPR \read(*var_1_7_Pointer) [L54] unsigned char stepLocal_1 = (*(var_1_7_Pointer)); [L55] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L55] COND TRUE ! (*(var_1_14_Pointer)) [L56] EXPR \read(*var_1_8_Pointer) [L56] (*(var_1_13_Pointer)) = (*(var_1_8_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] (*(var_1_15_Pointer)) = (*(var_1_11_Pointer)) [L65] EXPR \read(*var_1_13_Pointer) [L65] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR \read(*var_1_16_Pointer) [L65] signed long int stepLocal_0 = ((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer)); [L66] COND FALSE !(stepLocal_0 < -1) [L69] EXPR \read(*var_1_7_Pointer) [L69] EXPR \read(*var_1_7_Pointer) [L69] (*(var_1_1_Pointer)) = (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_13_Pointer) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] COND FALSE !((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) [L96] EXPR \read(*var_1_1_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) [L96] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) [L96] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_8_Pointer) [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) [L96] EXPR \read(*var_1_15_Pointer) [L96] EXPR \read(*var_1_11_Pointer) [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96-L97] return (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.4s, OverallIterations: 32, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6693 SdHoareTripleChecker+Valid, 10.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6693 mSDsluCounter, 37079 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30748 mSDsCounter, 445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10267 IncrementalHoareTripleChecker+Invalid, 10712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 445 mSolverCounterUnsat, 6331 mSDtfsCounter, 10267 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=716occurred in iteration=19, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 31 MinimizatonAttempts, 6261 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 3635 NumberOfCodeBlocks, 3635 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 3591 ConstructedInterpolants, 0 QuantifiedInterpolants, 9697 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 5060/5184 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 [2024-11-24 00:56:38,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC --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 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:56:41,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:56:41,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:56:41,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:56:41,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:56:41,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:56:41,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:56:41,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:56:41,381 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:56:41,381 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:56:41,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:56:41,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:56:41,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:56:41,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:56:41,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:56:41,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:56:41,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:56:41,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:56:41,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:56:41,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:56:41,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:56:41,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:56:41,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:56:41,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:56:41,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:56:41,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:56:41,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:56:41,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:56:41,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:41,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:56:41,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:56:41,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:56:41,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:56:41,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:41,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:56:41,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:56:41,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:56:41,388 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC 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 -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-11-24 00:56:41,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:56:41,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:56:41,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:56:41,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:56:41,789 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:56:41,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:47,045 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/a9133a368/3526d408937f4e6991feae08ce2dc0c5/FLAGb90001c5a [2024-11-24 00:56:47,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:56:47,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:47,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/a9133a368/3526d408937f4e6991feae08ce2dc0c5/FLAGb90001c5a [2024-11-24 00:56:47,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/data/a9133a368/3526d408937f4e6991feae08ce2dc0c5 [2024-11-24 00:56:47,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:56:47,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:56:47,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:47,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:56:47,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:56:47,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9769ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47, skipping insertion in model container [2024-11-24 00:56:47,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:56:47,618 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-24 00:56:47,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:47,739 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:56:47,753 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_7828f82d-2545-4b5a-98f9-c9abb778b9a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-24 00:56:47,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:56:47,826 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:56:47,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47 WrapperNode [2024-11-24 00:56:47,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:56:47,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:47,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:56:47,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:56:47,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,897 INFO L138 Inliner]: procedures = 36, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-11-24 00:56:47,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:56:47,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:56:47,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:56:47,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:56:47,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,942 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-11-24 00:56:47,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:47,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:48,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:48,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:56:48,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:56:48,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:56:48,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:56:48,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (1/1) ... [2024-11-24 00:56:48,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:56:48,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:56:48,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:56:48,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:56:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:56:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:56:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:56:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-24 00:56:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 00:56:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:56:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 00:56:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-24 00:56:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-24 00:56:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-24 00:56:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-24 00:56:48,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-24 00:56:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-24 00:56:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-24 00:56:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-24 00:56:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-24 00:56:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 00:56:48,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-24 00:56:48,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 00:56:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:56:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:56:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 00:56:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 00:56:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-24 00:56:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-24 00:56:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-24 00:56:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:56:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:56:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 00:56:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 00:56:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-24 00:56:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-24 00:56:48,474 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:56:48,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:56:53,569 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-24 00:56:53,570 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:56:53,581 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:56:53,581 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:56:53,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:53 BoogieIcfgContainer [2024-11-24 00:56:53,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:56:53,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:56:53,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:56:53,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:56:53,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:56:47" (1/3) ... [2024-11-24 00:56:53,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3448553c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:53, skipping insertion in model container [2024-11-24 00:56:53,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:56:47" (2/3) ... [2024-11-24 00:56:53,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3448553c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:56:53, skipping insertion in model container [2024-11-24 00:56:53,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:53" (3/3) ... [2024-11-24 00:56:53,593 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-11-24 00:56:53,623 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:56:53,625 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:56:53,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:56:53,709 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;@420ec195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:56:53,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:56:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:56:53,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:53,728 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:53,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:53,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:53,736 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-11-24 00:56:53,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:53,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429666449] [2024-11-24 00:56:53,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:53,752 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 [2024-11-24 00:56:53,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:53,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:56:53,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:56:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:54,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:56:54,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-24 00:56:54,376 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:54,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:54,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429666449] [2024-11-24 00:56:54,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429666449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:54,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:54,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:56:54,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189469962] [2024-11-24 00:56:54,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:54,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:56:54,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:54,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:56:54,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:56:54,408 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:54,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:54,434 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-11-24 00:56:54,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:56:54,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-24 00:56:54,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:54,441 INFO L225 Difference]: With dead ends: 163 [2024-11-24 00:56:54,441 INFO L226 Difference]: Without dead ends: 81 [2024-11-24 00:56:54,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:56:54,447 INFO L435 NwaCegarLoop]: 115 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, 115 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 [2024-11-24 00:56:54,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:56:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-24 00:56:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-24 00:56:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-24 00:56:54,502 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-11-24 00:56:54,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:54,503 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-24 00:56:54,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-24 00:56:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:56:54,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:54,508 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:54,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:56:54,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:56:54,712 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:54,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-11-24 00:56:54,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:54,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099371510] [2024-11-24 00:56:54,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:54,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:56:54,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:54,717 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:56:54,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:56:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:55,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:56:55,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-24 00:56:55,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:55,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:55,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099371510] [2024-11-24 00:56:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099371510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:55,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:55,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:55,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420786066] [2024-11-24 00:56:55,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:55,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:55,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:55,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:55,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:55,353 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:55,449 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-11-24 00:56:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:55,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-24 00:56:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:55,453 INFO L225 Difference]: With dead ends: 161 [2024-11-24 00:56:55,453 INFO L226 Difference]: Without dead ends: 83 [2024-11-24 00:56:55,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:55,454 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 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 [2024-11-24 00:56:55,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:56:55,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-24 00:56:55,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-24 00:56:55,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 00:56:55,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-24 00:56:55,473 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-11-24 00:56:55,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:55,475 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-24 00:56:55,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:56:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-24 00:56:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:56:55,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:55,479 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:55,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:56:55,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:56:55,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:55,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:55,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-11-24 00:56:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:55,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383500410] [2024-11-24 00:56:55,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:55,681 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 [2024-11-24 00:56:55,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:55,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:56:55,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:56:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:56,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:56:56,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:57,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:57:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:57:02,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:02,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:57:02,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-11-24 00:57:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:57:03,401 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383500410] [2024-11-24 00:57:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383500410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:57:03,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:57:03,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-24 00:57:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317835263] [2024-11-24 00:57:03,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:57:03,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:57:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:03,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:57:03,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-24 00:57:03,405 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-24 00:57:12,237 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] [2024-11-24 00:57:15,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:57:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:17,029 INFO L93 Difference]: Finished difference Result 252 states and 353 transitions. [2024-11-24 00:57:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:57:17,030 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 92 [2024-11-24 00:57:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:17,032 INFO L225 Difference]: With dead ends: 252 [2024-11-24 00:57:17,032 INFO L226 Difference]: Without dead ends: 172 [2024-11-24 00:57:17,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=203, Invalid=552, Unknown=1, NotChecked=0, Total=756 [2024-11-24 00:57:17,037 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 498 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:17,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1146 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 349 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-11-24 00:57:17,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-24 00:57:17,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 130. [2024-11-24 00:57:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:57:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 180 transitions. [2024-11-24 00:57:17,062 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 180 transitions. Word has length 92 [2024-11-24 00:57:17,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:17,062 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 180 transitions. [2024-11-24 00:57:17,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-24 00:57:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2024-11-24 00:57:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:57:17,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:17,064 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:17,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:17,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:17,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:17,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:17,266 INFO L85 PathProgramCache]: Analyzing trace with hash 415928082, now seen corresponding path program 1 times [2024-11-24 00:57:17,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:17,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666163237] [2024-11-24 00:57:17,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:17,267 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 [2024-11-24 00:57:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:17,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:17,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:17,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:57:17,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:17,664 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 [2024-11-24 00:57:17,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 00:57:17,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:57:17,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-24 00:57:17,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:57:17,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-24 00:57:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:17,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:17,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666163237] [2024-11-24 00:57:17,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666163237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140977424] [2024-11-24 00:57:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:17,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:17,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:17,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:17,834 INFO L87 Difference]: Start difference. First operand 130 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:18,236 INFO L93 Difference]: Finished difference Result 213 states and 299 transitions. [2024-11-24 00:57:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:18,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-24 00:57:18,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:18,239 INFO L225 Difference]: With dead ends: 213 [2024-11-24 00:57:18,239 INFO L226 Difference]: Without dead ends: 133 [2024-11-24 00:57:18,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:18,240 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 196 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:18,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 368 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:57:18,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-24 00:57:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-24 00:57:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 108 states have internal predecessors, (143), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:57:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2024-11-24 00:57:18,263 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 92 [2024-11-24 00:57:18,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:18,264 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2024-11-24 00:57:18,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2024-11-24 00:57:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:57:18,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:18,266 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:18,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:57:18,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:18,467 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:18,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1273015660, now seen corresponding path program 1 times [2024-11-24 00:57:18,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:18,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749024337] [2024-11-24 00:57:18,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:18,469 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 [2024-11-24 00:57:18,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:18,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:18,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:18,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:57:18,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:18,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 13 [2024-11-24 00:57:18,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:57:18,907 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 17 treesize of output 13 [2024-11-24 00:57:18,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:57:19,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-24 00:57:19,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-24 00:57:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:19,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:19,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:19,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749024337] [2024-11-24 00:57:19,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749024337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:19,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:19,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:19,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376876270] [2024-11-24 00:57:19,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:19,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:19,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:19,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:19,079 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:19,378 INFO L93 Difference]: Finished difference Result 213 states and 297 transitions. [2024-11-24 00:57:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:19,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-24 00:57:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:19,381 INFO L225 Difference]: With dead ends: 213 [2024-11-24 00:57:19,381 INFO L226 Difference]: Without dead ends: 133 [2024-11-24 00:57:19,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:19,382 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 103 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:19,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 440 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:57:19,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-24 00:57:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-24 00:57:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 108 states have internal predecessors, (142), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:57:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 178 transitions. [2024-11-24 00:57:19,404 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 178 transitions. Word has length 92 [2024-11-24 00:57:19,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:19,404 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 178 transitions. [2024-11-24 00:57:19,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2024-11-24 00:57:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:57:19,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:19,406 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:19,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:19,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:19,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:19,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1742087958, now seen corresponding path program 1 times [2024-11-24 00:57:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064669313] [2024-11-24 00:57:19,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:19,608 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 [2024-11-24 00:57:19,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:19,611 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:19,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:20,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:57:20,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:20,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-24 00:57:20,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-11-24 00:57:20,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2024-11-24 00:57:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:20,546 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:20,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:20,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064669313] [2024-11-24 00:57:20,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064669313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:20,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:20,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:20,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902036778] [2024-11-24 00:57:20,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:20,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:20,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:20,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:20,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:20,548 INFO L87 Difference]: Start difference. First operand 130 states and 178 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:21,049 INFO L93 Difference]: Finished difference Result 295 states and 409 transitions. [2024-11-24 00:57:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:57:21,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-24 00:57:21,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:21,053 INFO L225 Difference]: With dead ends: 295 [2024-11-24 00:57:21,053 INFO L226 Difference]: Without dead ends: 215 [2024-11-24 00:57:21,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:57:21,055 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 162 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:21,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 604 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:57:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-24 00:57:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2024-11-24 00:57:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 176 states have (on average 1.3295454545454546) internal successors, (234), 176 states have internal predecessors, (234), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2024-11-24 00:57:21,127 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 92 [2024-11-24 00:57:21,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:21,130 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2024-11-24 00:57:21,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2024-11-24 00:57:21,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 00:57:21,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:21,132 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:21,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:21,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:21,333 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:21,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash 135257809, now seen corresponding path program 1 times [2024-11-24 00:57:21,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619274171] [2024-11-24 00:57:21,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:21,334 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 [2024-11-24 00:57:21,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:21,335 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:21,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:21,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:57:21,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:22,853 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 18 treesize of output 10 [2024-11-24 00:57:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:57:26,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:26,842 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:57:26,843 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 21 treesize of output 24 [2024-11-24 00:57:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:57:27,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:27,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619274171] [2024-11-24 00:57:27,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619274171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:57:27,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:57:27,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-24 00:57:27,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376452689] [2024-11-24 00:57:27,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:57:27,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:57:27,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:27,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:57:27,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-24 00:57:27,230 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-24 00:57:30,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:30,188 INFO L93 Difference]: Finished difference Result 410 states and 567 transitions. [2024-11-24 00:57:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:57:30,189 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 94 [2024-11-24 00:57:30,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:30,193 INFO L225 Difference]: With dead ends: 410 [2024-11-24 00:57:30,193 INFO L226 Difference]: Without dead ends: 252 [2024-11-24 00:57:30,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=199, Invalid=556, Unknown=1, NotChecked=0, Total=756 [2024-11-24 00:57:30,196 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 304 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:30,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1035 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:57:30,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-24 00:57:30,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 222. [2024-11-24 00:57:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 306 transitions. [2024-11-24 00:57:30,228 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 306 transitions. Word has length 94 [2024-11-24 00:57:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:30,228 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 306 transitions. [2024-11-24 00:57:30,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-24 00:57:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2024-11-24 00:57:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 00:57:30,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:30,230 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:30,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:30,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:30,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:30,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:30,431 INFO L85 PathProgramCache]: Analyzing trace with hash -875859441, now seen corresponding path program 1 times [2024-11-24 00:57:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:30,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843809218] [2024-11-24 00:57:30,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:30,432 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 [2024-11-24 00:57:30,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:30,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:30,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:30,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:57:30,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:30,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:30,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843809218] [2024-11-24 00:57:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843809218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:30,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:30,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128675678] [2024-11-24 00:57:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:30,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:30,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:30,822 INFO L87 Difference]: Start difference. First operand 222 states and 306 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:30,912 INFO L93 Difference]: Finished difference Result 386 states and 536 transitions. [2024-11-24 00:57:30,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:30,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-24 00:57:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:30,915 INFO L225 Difference]: With dead ends: 386 [2024-11-24 00:57:30,916 INFO L226 Difference]: Without dead ends: 228 [2024-11-24 00:57:30,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:30,917 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:30,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:57:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-24 00:57:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-24 00:57:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 196 states have (on average 1.316326530612245) internal successors, (258), 196 states have internal predecessors, (258), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-11-24 00:57:30,955 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 94 [2024-11-24 00:57:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:30,956 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-11-24 00:57:30,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-11-24 00:57:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-24 00:57:30,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:30,957 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:30,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:31,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:31,157 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:31,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:31,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1253560673, now seen corresponding path program 1 times [2024-11-24 00:57:31,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:31,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290015441] [2024-11-24 00:57:31,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:31,158 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 [2024-11-24 00:57:31,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:31,160 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:31,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:57:31,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:31,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:31,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:31,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290015441] [2024-11-24 00:57:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290015441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:31,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266762242] [2024-11-24 00:57:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:31,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:31,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:31,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:31,680 INFO L87 Difference]: Start difference. First operand 228 states and 312 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:31,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:31,781 INFO L93 Difference]: Finished difference Result 398 states and 548 transitions. [2024-11-24 00:57:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:31,782 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-24 00:57:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:31,785 INFO L225 Difference]: With dead ends: 398 [2024-11-24 00:57:31,786 INFO L226 Difference]: Without dead ends: 234 [2024-11-24 00:57:31,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:31,788 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:31,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:57:31,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-24 00:57:31,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-24 00:57:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 202 states have (on average 1.306930693069307) internal successors, (264), 202 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 318 transitions. [2024-11-24 00:57:31,816 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 318 transitions. Word has length 96 [2024-11-24 00:57:31,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:31,816 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 318 transitions. [2024-11-24 00:57:31,816 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 318 transitions. [2024-11-24 00:57:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:57:31,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:31,818 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:31,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:32,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:32,019 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:32,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:32,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2043975804, now seen corresponding path program 1 times [2024-11-24 00:57:32,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:32,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118895975] [2024-11-24 00:57:32,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:32,019 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 [2024-11-24 00:57:32,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:32,021 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:32,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 00:57:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:32,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:57:32,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:32,765 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 [2024-11-24 00:57:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:57:33,078 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:33,079 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:33,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118895975] [2024-11-24 00:57:33,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118895975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:33,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:33,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:57:33,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547335157] [2024-11-24 00:57:33,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:33,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:57:33,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:33,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:57:33,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:57:33,080 INFO L87 Difference]: Start difference. First operand 234 states and 318 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:33,464 INFO L93 Difference]: Finished difference Result 241 states and 324 transitions. [2024-11-24 00:57:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:57:33,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-24 00:57:33,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:33,466 INFO L225 Difference]: With dead ends: 241 [2024-11-24 00:57:33,466 INFO L226 Difference]: Without dead ends: 239 [2024-11-24 00:57:33,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:57:33,467 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 133 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:33,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 750 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:57:33,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-24 00:57:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-24 00:57:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.302439024390244) internal successors, (267), 205 states have internal predecessors, (267), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 321 transitions. [2024-11-24 00:57:33,489 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 321 transitions. Word has length 98 [2024-11-24 00:57:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:33,490 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 321 transitions. [2024-11-24 00:57:33,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:57:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 321 transitions. [2024-11-24 00:57:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 00:57:33,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:33,491 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:33,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-24 00:57:33,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:33,692 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:33,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:33,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2045822846, now seen corresponding path program 1 times [2024-11-24 00:57:33,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:33,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241381822] [2024-11-24 00:57:33,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:33,693 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 [2024-11-24 00:57:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:33,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:34,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:57:34,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:34,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-24 00:57:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 00:57:34,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:34,303 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:34,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241381822] [2024-11-24 00:57:34,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241381822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:34,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:34,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:34,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763995967] [2024-11-24 00:57:34,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:34,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:34,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:34,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:34,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:34,305 INFO L87 Difference]: Start difference. First operand 237 states and 321 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:57:36,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:37,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:39,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:40,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:41,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:41,001 INFO L93 Difference]: Finished difference Result 448 states and 606 transitions. [2024-11-24 00:57:41,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:57:41,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-24 00:57:41,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:41,003 INFO L225 Difference]: With dead ends: 448 [2024-11-24 00:57:41,003 INFO L226 Difference]: Without dead ends: 240 [2024-11-24 00:57:41,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:57:41,004 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 87 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:41,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 349 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-24 00:57:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-24 00:57:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2024-11-24 00:57:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.2878048780487805) internal successors, (264), 205 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 318 transitions. [2024-11-24 00:57:41,049 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 318 transitions. Word has length 98 [2024-11-24 00:57:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:41,050 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 318 transitions. [2024-11-24 00:57:41,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:57:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 318 transitions. [2024-11-24 00:57:41,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 00:57:41,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:41,051 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:41,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:57:41,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:41,252 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:41,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:41,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1265165704, now seen corresponding path program 1 times [2024-11-24 00:57:41,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:41,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658783227] [2024-11-24 00:57:41,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:41,253 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 [2024-11-24 00:57:41,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:41,255 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:41,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-24 00:57:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:41,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 00:57:41,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:43,313 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 [2024-11-24 00:57:43,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-11-24 00:57:43,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-11-24 00:57:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:57:43,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:44,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:44,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658783227] [2024-11-24 00:57:44,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658783227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:44,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1740003864] [2024-11-24 00:57:44,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:44,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:57:44,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:57:44,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:57:44,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 00:57:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:45,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:57:45,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:45,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-24 00:57:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-24 00:57:45,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:45,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1740003864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:45,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:57:45,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-24 00:57:45,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393782302] [2024-11-24 00:57:45,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:45,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:45,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:45,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:57:45,899 INFO L87 Difference]: Start difference. First operand 237 states and 318 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:57:48,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:50,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:52,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:57:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:52,183 INFO L93 Difference]: Finished difference Result 436 states and 585 transitions. [2024-11-24 00:57:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:57:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-11-24 00:57:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:52,196 INFO L225 Difference]: With dead ends: 436 [2024-11-24 00:57:52,196 INFO L226 Difference]: Without dead ends: 237 [2024-11-24 00:57:52,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:57:52,197 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 79 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:52,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 347 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-11-24 00:57:52,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-24 00:57:52,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2024-11-24 00:57:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 199 states have (on average 1.2814070351758795) internal successors, (255), 199 states have internal predecessors, (255), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:57:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2024-11-24 00:57:52,226 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 309 transitions. Word has length 100 [2024-11-24 00:57:52,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:52,227 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 309 transitions. [2024-11-24 00:57:52,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:57:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2024-11-24 00:57:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:57:52,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:52,228 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:52,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-24 00:57:52,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-24 00:57:52,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:57:52,629 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:52,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:52,630 INFO L85 PathProgramCache]: Analyzing trace with hash 614464320, now seen corresponding path program 1 times [2024-11-24 00:57:52,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:52,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878779153] [2024-11-24 00:57:52,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:52,630 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 [2024-11-24 00:57:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:52,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:57:52,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-24 00:57:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:53,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 00:57:53,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:54,480 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 [2024-11-24 00:57:54,959 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 125 treesize of output 89 [2024-11-24 00:57:54,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-11-24 00:57:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:57:55,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:55,403 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:55,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878779153] [2024-11-24 00:57:55,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878779153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:55,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [317483566] [2024-11-24 00:57:55,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:57:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:57:55,406 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:57:55,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 00:57:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:56,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:57:56,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:57,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 51 [2024-11-24 00:57:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-24 00:57:57,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:58,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:57:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:57:58,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [317483566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:57:58,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:57:58,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 27 [2024-11-24 00:57:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887476507] [2024-11-24 00:57:58,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:57:58,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-24 00:57:58,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:58,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-24 00:57:58,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:57:58,132 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. Second operand has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-24 00:58:06,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:08,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:10,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:12,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:14,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:16,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:17,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:19,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:21,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:23,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:25,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:27,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:28,871 INFO L93 Difference]: Finished difference Result 978 states and 1269 transitions. [2024-11-24 00:58:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-24 00:58:28,873 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) Word has length 102 [2024-11-24 00:58:28,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:28,877 INFO L225 Difference]: With dead ends: 978 [2024-11-24 00:58:28,877 INFO L226 Difference]: Without dead ends: 676 [2024-11-24 00:58:28,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=881, Invalid=6091, Unknown=0, NotChecked=0, Total=6972 [2024-11-24 00:58:28,884 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 365 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:28,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1865 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 24.9s Time] [2024-11-24 00:58:28,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-24 00:58:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 455. [2024-11-24 00:58:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 393 states have (on average 1.2391857506361323) internal successors, (487), 395 states have internal predecessors, (487), 49 states have call successors, (49), 12 states have call predecessors, (49), 12 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-24 00:58:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 585 transitions. [2024-11-24 00:58:28,971 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 585 transitions. Word has length 102 [2024-11-24 00:58:28,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:28,972 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 585 transitions. [2024-11-24 00:58:28,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-24 00:58:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 585 transitions. [2024-11-24 00:58:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:58:28,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:28,973 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:28,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-24 00:58:29,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-24 00:58:29,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:58:29,374 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:29,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:29,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571008, now seen corresponding path program 1 times [2024-11-24 00:58:29,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:29,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589274099] [2024-11-24 00:58:29,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:29,375 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 [2024-11-24 00:58:29,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:29,377 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:29,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-24 00:58:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:29,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:58:29,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:29,940 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 [2024-11-24 00:58:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-24 00:58:30,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:30,306 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:30,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589274099] [2024-11-24 00:58:30,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589274099] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:30,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:58:30,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-11-24 00:58:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684382486] [2024-11-24 00:58:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:30,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:30,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:30,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:30,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:58:30,308 INFO L87 Difference]: Start difference. First operand 455 states and 585 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:30,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:30,682 INFO L93 Difference]: Finished difference Result 1045 states and 1343 transitions. [2024-11-24 00:58:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:30,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:58:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:30,688 INFO L225 Difference]: With dead ends: 1045 [2024-11-24 00:58:30,688 INFO L226 Difference]: Without dead ends: 693 [2024-11-24 00:58:30,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:58:30,690 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 43 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:30,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 509 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:58:30,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-24 00:58:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2024-11-24 00:58:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 613 states have (on average 1.2414355628058729) internal successors, (761), 619 states have internal predecessors, (761), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 00:58:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 875 transitions. [2024-11-24 00:58:30,769 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 875 transitions. Word has length 102 [2024-11-24 00:58:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:30,770 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 875 transitions. [2024-11-24 00:58:30,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:30,770 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 875 transitions. [2024-11-24 00:58:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:58:30,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:30,773 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:30,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:30,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:30,974 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:30,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:30,974 INFO L85 PathProgramCache]: Analyzing trace with hash 773123370, now seen corresponding path program 1 times [2024-11-24 00:58:30,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:30,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092010332] [2024-11-24 00:58:30,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:30,975 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 [2024-11-24 00:58:30,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:30,979 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:30,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:31,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:58:31,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:32,598 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 [2024-11-24 00:58:32,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:58:32,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:58:33,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-24 00:58:33,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:58:33,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:58:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 5 proven. 87 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:58:33,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:33,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-24 00:58:33,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-24 00:58:33,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-24 00:58:33,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-24 00:58:33,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:33,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092010332] [2024-11-24 00:58:33,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092010332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:33,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [577511326] [2024-11-24 00:58:33,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:33,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:58:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:58:33,657 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:58:33,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 00:58:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:34,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:58:34,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:35,942 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 [2024-11-24 00:58:36,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:58:36,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-24 00:58:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:36,319 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:36,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [577511326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:36,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:58:36,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-11-24 00:58:36,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191809400] [2024-11-24 00:58:36,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:36,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:58:36,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:36,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:58:36,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:58:36,321 INFO L87 Difference]: Start difference. First operand 687 states and 875 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:36,789 INFO L93 Difference]: Finished difference Result 1239 states and 1583 transitions. [2024-11-24 00:58:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:58:36,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-24 00:58:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:36,793 INFO L225 Difference]: With dead ends: 1239 [2024-11-24 00:58:36,793 INFO L226 Difference]: Without dead ends: 677 [2024-11-24 00:58:36,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:58:36,795 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 127 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:36,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:58:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-24 00:58:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 675. [2024-11-24 00:58:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.232945091514143) internal successors, (741), 607 states have internal predecessors, (741), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 00:58:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 855 transitions. [2024-11-24 00:58:36,878 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 855 transitions. Word has length 102 [2024-11-24 00:58:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:36,878 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 855 transitions. [2024-11-24 00:58:36,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 855 transitions. [2024-11-24 00:58:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:58:36,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:36,884 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:36,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:37,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:37,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:58:37,288 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:37,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash 2132138304, now seen corresponding path program 1 times [2024-11-24 00:58:37,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:37,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929040035] [2024-11-24 00:58:37,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:37,289 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 [2024-11-24 00:58:37,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:37,291 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:37,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:37,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:58:37,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:37,711 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-24 00:58:37,711 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:37,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:37,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929040035] [2024-11-24 00:58:37,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929040035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:37,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:37,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:58:37,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157533859] [2024-11-24 00:58:37,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:37,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:37,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:37,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:37,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:37,713 INFO L87 Difference]: Start difference. First operand 675 states and 855 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:58:37,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:37,956 INFO L93 Difference]: Finished difference Result 1290 states and 1634 transitions. [2024-11-24 00:58:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:58:37,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2024-11-24 00:58:37,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:37,960 INFO L225 Difference]: With dead ends: 1290 [2024-11-24 00:58:37,960 INFO L226 Difference]: Without dead ends: 691 [2024-11-24 00:58:37,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:58:37,962 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:37,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 464 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:58:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-24 00:58:38,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 675. [2024-11-24 00:58:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.2229617304492513) internal successors, (735), 607 states have internal predecessors, (735), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 00:58:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 849 transitions. [2024-11-24 00:58:38,049 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 849 transitions. Word has length 102 [2024-11-24 00:58:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:38,049 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 849 transitions. [2024-11-24 00:58:38,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-24 00:58:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 849 transitions. [2024-11-24 00:58:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:58:38,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:38,050 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:38,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-24 00:58:38,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:38,256 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:38,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash 116170748, now seen corresponding path program 1 times [2024-11-24 00:58:38,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:38,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120106092] [2024-11-24 00:58:38,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:38,257 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 [2024-11-24 00:58:38,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:38,258 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:38,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-24 00:58:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:38,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:58:38,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:38,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 40 [2024-11-24 00:58:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:58:39,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:39,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-24 00:58:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-24 00:58:39,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:39,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120106092] [2024-11-24 00:58:39,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120106092] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:58:39,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:58:39,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-24 00:58:39,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338899755] [2024-11-24 00:58:39,289 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:58:39,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:58:39,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:39,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:58:39,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:58:39,290 INFO L87 Difference]: Start difference. First operand 675 states and 849 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-24 00:58:41,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:43,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:45,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:46,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:46,981 INFO L93 Difference]: Finished difference Result 997 states and 1243 transitions. [2024-11-24 00:58:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:58:46,996 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 102 [2024-11-24 00:58:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:46,998 INFO L225 Difference]: With dead ends: 997 [2024-11-24 00:58:46,999 INFO L226 Difference]: Without dead ends: 377 [2024-11-24 00:58:47,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:58:47,001 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 84 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:47,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 589 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-24 00:58:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-24 00:58:47,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 367. [2024-11-24 00:58:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2067901234567902) internal successors, (391), 326 states have internal predecessors, (391), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-24 00:58:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 453 transitions. [2024-11-24 00:58:47,049 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 453 transitions. Word has length 102 [2024-11-24 00:58:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:47,049 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 453 transitions. [2024-11-24 00:58:47,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-24 00:58:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 453 transitions. [2024-11-24 00:58:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:58:47,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:47,050 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-24 00:58:47,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:47,251 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:47,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash -674912468, now seen corresponding path program 1 times [2024-11-24 00:58:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:47,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079712396] [2024-11-24 00:58:47,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:47,252 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 [2024-11-24 00:58:47,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:47,254 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:47,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:47,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:58:47,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:48,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-24 00:58:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:48,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:48,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:48,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079712396] [2024-11-24 00:58:48,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079712396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:48,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:48,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:58:48,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109096946] [2024-11-24 00:58:48,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:48,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:58:48,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:48,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:58:48,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:58:48,051 INFO L87 Difference]: Start difference. First operand 367 states and 453 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:48,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:48,237 INFO L93 Difference]: Finished difference Result 670 states and 828 transitions. [2024-11-24 00:58:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:58:48,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:58:48,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:48,239 INFO L225 Difference]: With dead ends: 670 [2024-11-24 00:58:48,240 INFO L226 Difference]: Without dead ends: 369 [2024-11-24 00:58:48,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:58:48,241 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 49 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:48,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 280 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:58:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-24 00:58:48,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2024-11-24 00:58:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2006172839506173) internal successors, (389), 326 states have internal predecessors, (389), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-24 00:58:48,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 451 transitions. [2024-11-24 00:58:48,283 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 451 transitions. Word has length 103 [2024-11-24 00:58:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:48,283 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 451 transitions. [2024-11-24 00:58:48,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 451 transitions. [2024-11-24 00:58:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 00:58:48,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:48,284 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:48,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:48,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:48,485 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:48,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1248315566, now seen corresponding path program 1 times [2024-11-24 00:58:48,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:48,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765789233] [2024-11-24 00:58:48,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:48,486 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 [2024-11-24 00:58:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:48,488 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:48,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-24 00:58:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:48,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:58:48,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:49,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-24 00:58:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:58:49,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:50,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:50,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765789233] [2024-11-24 00:58:50,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765789233] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:50,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:58:50,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:58:50,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471251367] [2024-11-24 00:58:50,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:50,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:58:50,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:50,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:58:50,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:58:50,225 INFO L87 Difference]: Start difference. First operand 367 states and 451 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:50,403 INFO L93 Difference]: Finished difference Result 735 states and 898 transitions. [2024-11-24 00:58:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:58:50,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-24 00:58:50,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:50,406 INFO L225 Difference]: With dead ends: 735 [2024-11-24 00:58:50,406 INFO L226 Difference]: Without dead ends: 445 [2024-11-24 00:58:50,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:58:50,408 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:50,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 469 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:58:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-24 00:58:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2024-11-24 00:58:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 382 states have (on average 1.1806282722513088) internal successors, (451), 384 states have internal predecessors, (451), 41 states have call successors, (41), 17 states have call predecessors, (41), 17 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:58:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 533 transitions. [2024-11-24 00:58:50,467 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 533 transitions. Word has length 103 [2024-11-24 00:58:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:50,468 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 533 transitions. [2024-11-24 00:58:50,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 533 transitions. [2024-11-24 00:58:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 00:58:50,469 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:50,469 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:50,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:50,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:50,672 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:50,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1632334982, now seen corresponding path program 1 times [2024-11-24 00:58:50,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:50,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156221534] [2024-11-24 00:58:50,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:50,673 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 [2024-11-24 00:58:50,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:50,677 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:50,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:51,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:58:51,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:58:51,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:52,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:52,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156221534] [2024-11-24 00:58:52,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156221534] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:52,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:58:52,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:58:52,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326587408] [2024-11-24 00:58:52,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:52,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:58:52,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:52,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:58:52,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:58:52,164 INFO L87 Difference]: Start difference. First operand 441 states and 533 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:52,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:52,302 INFO L93 Difference]: Finished difference Result 815 states and 979 transitions. [2024-11-24 00:58:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:58:52,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-24 00:58:52,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:52,305 INFO L225 Difference]: With dead ends: 815 [2024-11-24 00:58:52,305 INFO L226 Difference]: Without dead ends: 451 [2024-11-24 00:58:52,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:58:52,306 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:52,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 400 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:58:52,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-24 00:58:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 403. [2024-11-24 00:58:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.186246418338109) internal successors, (414), 351 states have internal predecessors, (414), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:58:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 488 transitions. [2024-11-24 00:58:52,363 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 488 transitions. Word has length 104 [2024-11-24 00:58:52,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:52,364 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 488 transitions. [2024-11-24 00:58:52,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 488 transitions. [2024-11-24 00:58:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 00:58:52,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:52,365 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:52,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:52,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:52,566 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:52,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1679916568, now seen corresponding path program 1 times [2024-11-24 00:58:52,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:52,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341994061] [2024-11-24 00:58:52,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:52,567 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 [2024-11-24 00:58:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:52,569 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:52,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:53,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:58:53,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:53,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-24 00:58:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:53,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:53,458 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:53,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341994061] [2024-11-24 00:58:53,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341994061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:53,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:53,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:58:53,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923972890] [2024-11-24 00:58:53,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:53,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:58:53,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:53,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:58:53,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:58:53,459 INFO L87 Difference]: Start difference. First operand 403 states and 488 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:53,640 INFO L93 Difference]: Finished difference Result 727 states and 883 transitions. [2024-11-24 00:58:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:58:53,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-11-24 00:58:53,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:53,643 INFO L225 Difference]: With dead ends: 727 [2024-11-24 00:58:53,643 INFO L226 Difference]: Without dead ends: 405 [2024-11-24 00:58:53,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:58:53,644 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 30 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:53,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 281 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:58:53,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-24 00:58:53,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-11-24 00:58:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.183381088825215) internal successors, (413), 351 states have internal predecessors, (413), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:58:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 487 transitions. [2024-11-24 00:58:53,700 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 487 transitions. Word has length 105 [2024-11-24 00:58:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:53,700 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 487 transitions. [2024-11-24 00:58:53,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 487 transitions. [2024-11-24 00:58:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-24 00:58:53,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:53,702 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:53,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:53,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:53,903 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:53,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:53,905 INFO L85 PathProgramCache]: Analyzing trace with hash -978851990, now seen corresponding path program 1 times [2024-11-24 00:58:53,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:53,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372085015] [2024-11-24 00:58:53,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:53,906 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 [2024-11-24 00:58:53,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:53,908 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:53,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:54,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:58:54,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:54,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-24 00:58:54,746 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 [2024-11-24 00:58:54,774 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 15 treesize of output 11 [2024-11-24 00:58:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:58:55,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:55,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:55,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372085015] [2024-11-24 00:58:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372085015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:55,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:55,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:58:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004489057] [2024-11-24 00:58:55,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:55,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:58:55,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:55,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:58:55,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:58:55,052 INFO L87 Difference]: Start difference. First operand 403 states and 487 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:56,019 INFO L93 Difference]: Finished difference Result 769 states and 926 transitions. [2024-11-24 00:58:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:58:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-11-24 00:58:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:56,025 INFO L225 Difference]: With dead ends: 769 [2024-11-24 00:58:56,025 INFO L226 Difference]: Without dead ends: 447 [2024-11-24 00:58:56,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:58:56,030 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 184 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:56,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1349 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:58:56,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-24 00:58:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2024-11-24 00:58:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 351 states have (on average 1.1823361823361824) internal successors, (415), 353 states have internal predecessors, (415), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:58:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 489 transitions. [2024-11-24 00:58:56,097 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 489 transitions. Word has length 105 [2024-11-24 00:58:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:56,098 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 489 transitions. [2024-11-24 00:58:56,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 489 transitions. [2024-11-24 00:58:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 00:58:56,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:56,100 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:56,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:56,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:56,301 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:56,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:56,301 INFO L85 PathProgramCache]: Analyzing trace with hash -137577568, now seen corresponding path program 1 times [2024-11-24 00:58:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:56,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640928107] [2024-11-24 00:58:56,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:56,302 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 [2024-11-24 00:58:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:56,303 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:56,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-24 00:58:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:56,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:58:56,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-11-24 00:58:56,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:56,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:56,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640928107] [2024-11-24 00:58:56,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640928107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:56,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:56,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:58:56,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414231783] [2024-11-24 00:58:56,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:56,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:58:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:56,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:58:56,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:56,954 INFO L87 Difference]: Start difference. First operand 405 states and 489 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:57,104 INFO L93 Difference]: Finished difference Result 739 states and 899 transitions. [2024-11-24 00:58:57,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:57,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-24 00:58:57,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:57,108 INFO L225 Difference]: With dead ends: 739 [2024-11-24 00:58:57,108 INFO L226 Difference]: Without dead ends: 415 [2024-11-24 00:58:57,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:58:57,109 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:57,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:58:57,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-24 00:58:57,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-24 00:58:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1634349030470914) internal successors, (420), 363 states have internal predecessors, (420), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:58:57,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 494 transitions. [2024-11-24 00:58:57,177 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 494 transitions. Word has length 195 [2024-11-24 00:58:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:57,178 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 494 transitions. [2024-11-24 00:58:57,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 494 transitions. [2024-11-24 00:58:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 00:58:57,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:57,180 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:57,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-24 00:58:57,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:57,381 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1637429794, now seen corresponding path program 1 times [2024-11-24 00:58:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098212355] [2024-11-24 00:58:57,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:57,382 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 [2024-11-24 00:58:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:57,383 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:57,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:57,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:58:57,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-11-24 00:58:58,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:58,040 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098212355] [2024-11-24 00:58:58,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098212355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:58,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:58,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:58:58,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506194899] [2024-11-24 00:58:58,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:58,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:58:58,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:58,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:58:58,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:58:58,042 INFO L87 Difference]: Start difference. First operand 415 states and 494 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:58,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:58,265 INFO L93 Difference]: Finished difference Result 751 states and 896 transitions. [2024-11-24 00:58:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:58:58,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-24 00:58:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:58,268 INFO L225 Difference]: With dead ends: 751 [2024-11-24 00:58:58,268 INFO L226 Difference]: Without dead ends: 417 [2024-11-24 00:58:58,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:58:58,269 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:58,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 585 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:58:58,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-24 00:58:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-24 00:58:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1523545706371192) internal successors, (416), 363 states have internal predecessors, (416), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:58:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2024-11-24 00:58:58,325 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 195 [2024-11-24 00:58:58,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:58,325 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2024-11-24 00:58:58,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:58:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2024-11-24 00:58:58,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-24 00:58:58,327 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:58,328 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:58,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:58,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:58:58,528 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:58,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1639276836, now seen corresponding path program 1 times [2024-11-24 00:58:58,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:58,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070535606] [2024-11-24 00:58:58,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:58,529 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 [2024-11-24 00:58:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:58,531 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:58:58,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:58:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:59,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:58:59,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:00,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-24 00:59:00,451 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 17 treesize of output 13 [2024-11-24 00:59:00,535 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 24 treesize of output 20 [2024-11-24 00:59:00,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-11-24 00:59:00,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 66 [2024-11-24 00:59:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 16 proven. 340 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:59:00,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-24 00:59:01,068 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:01,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070535606] [2024-11-24 00:59:01,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070535606] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:01,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:01,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2024-11-24 00:59:01,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841798561] [2024-11-24 00:59:01,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:01,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:59:01,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:01,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:59:01,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:59:01,070 INFO L87 Difference]: Start difference. First operand 415 states and 490 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:01,422 INFO L93 Difference]: Finished difference Result 590 states and 703 transitions. [2024-11-24 00:59:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:59:01,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-24 00:59:01,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:01,425 INFO L225 Difference]: With dead ends: 590 [2024-11-24 00:59:01,425 INFO L226 Difference]: Without dead ends: 418 [2024-11-24 00:59:01,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:59:01,426 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 98 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:01,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 497 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:59:01,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-24 00:59:01,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 411. [2024-11-24 00:59:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 357 states have (on average 1.1484593837535013) internal successors, (410), 359 states have internal predecessors, (410), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-24 00:59:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 484 transitions. [2024-11-24 00:59:01,487 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 484 transitions. Word has length 195 [2024-11-24 00:59:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:01,487 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 484 transitions. [2024-11-24 00:59:01,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 484 transitions. [2024-11-24 00:59:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 00:59:01,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:01,490 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:01,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:01,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:01,691 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:01,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash -560193953, now seen corresponding path program 1 times [2024-11-24 00:59:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:01,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877216733] [2024-11-24 00:59:01,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:01,692 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 [2024-11-24 00:59:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:01,695 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:01,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:02,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:59:02,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:03,652 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 21 treesize of output 17 [2024-11-24 00:59:03,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2024-11-24 00:59:03,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-11-24 00:59:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 14 proven. 344 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:59:03,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-24 00:59:04,220 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:04,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877216733] [2024-11-24 00:59:04,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877216733] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:04,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:04,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-24 00:59:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670131533] [2024-11-24 00:59:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:04,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:59:04,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:04,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:59:04,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:59:04,222 INFO L87 Difference]: Start difference. First operand 411 states and 484 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:04,686 INFO L93 Difference]: Finished difference Result 686 states and 814 transitions. [2024-11-24 00:59:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:59:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 197 [2024-11-24 00:59:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:04,689 INFO L225 Difference]: With dead ends: 686 [2024-11-24 00:59:04,689 INFO L226 Difference]: Without dead ends: 518 [2024-11-24 00:59:04,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:59:04,689 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 49 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:04,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 611 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:59:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-24 00:59:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 473. [2024-11-24 00:59:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 416 states have (on average 1.1610576923076923) internal successors, (483), 419 states have internal predecessors, (483), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-24 00:59:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2024-11-24 00:59:04,745 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 197 [2024-11-24 00:59:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:04,746 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2024-11-24 00:59:04,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2024-11-24 00:59:04,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 00:59:04,747 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:04,748 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:04,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:04,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:04,948 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:04,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:04,949 INFO L85 PathProgramCache]: Analyzing trace with hash -419645343, now seen corresponding path program 1 times [2024-11-24 00:59:04,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:04,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838610541] [2024-11-24 00:59:04,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:04,949 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 [2024-11-24 00:59:04,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:04,951 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:04,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:05,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:59:05,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:08,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:59:08,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:59:08,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-24 00:59:11,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-24 00:59:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 510 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-24 00:59:11,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2024-11-24 00:59:12,202 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838610541] [2024-11-24 00:59:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838610541] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:12,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:12,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [21] total 25 [2024-11-24 00:59:12,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639203039] [2024-11-24 00:59:12,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:59:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:12,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:59:12,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:59:12,204 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:12,372 INFO L93 Difference]: Finished difference Result 860 states and 1020 transitions. [2024-11-24 00:59:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:59:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 197 [2024-11-24 00:59:12,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:12,376 INFO L225 Difference]: With dead ends: 860 [2024-11-24 00:59:12,376 INFO L226 Difference]: Without dead ends: 468 [2024-11-24 00:59:12,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2024-11-24 00:59:12,378 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 41 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:12,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 403 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:59:12,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-24 00:59:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 414. [2024-11-24 00:59:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 357 states have (on average 1.145658263305322) internal successors, (409), 360 states have internal predecessors, (409), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-24 00:59:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 487 transitions. [2024-11-24 00:59:12,445 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 487 transitions. Word has length 197 [2024-11-24 00:59:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:12,445 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 487 transitions. [2024-11-24 00:59:12,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 487 transitions. [2024-11-24 00:59:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-24 00:59:12,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:12,447 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:12,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:59:12,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:12,648 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:12,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:12,649 INFO L85 PathProgramCache]: Analyzing trace with hash -830187192, now seen corresponding path program 1 times [2024-11-24 00:59:12,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:12,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928062375] [2024-11-24 00:59:12,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:12,649 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 [2024-11-24 00:59:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:12,651 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:12,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:13,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:59:13,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:13,310 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 [2024-11-24 00:59:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:59:13,472 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:59:13,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:13,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928062375] [2024-11-24 00:59:13,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928062375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:59:13,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:59:13,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:59:13,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910279909] [2024-11-24 00:59:13,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:13,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:59:13,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:13,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:59:13,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:59:13,474 INFO L87 Difference]: Start difference. First operand 414 states and 487 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:13,783 INFO L93 Difference]: Finished difference Result 426 states and 501 transitions. [2024-11-24 00:59:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:59:13,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 201 [2024-11-24 00:59:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:13,785 INFO L225 Difference]: With dead ends: 426 [2024-11-24 00:59:13,785 INFO L226 Difference]: Without dead ends: 424 [2024-11-24 00:59:13,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:59:13,786 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 81 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:13,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 606 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:59:13,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-24 00:59:13,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2024-11-24 00:59:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 366 states have (on average 1.1420765027322404) internal successors, (418), 369 states have internal predecessors, (418), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-24 00:59:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 496 transitions. [2024-11-24 00:59:13,859 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 496 transitions. Word has length 201 [2024-11-24 00:59:13,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:13,860 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 496 transitions. [2024-11-24 00:59:13,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 496 transitions. [2024-11-24 00:59:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-24 00:59:13,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:13,861 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:13,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:14,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:14,066 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:14,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash -225780426, now seen corresponding path program 1 times [2024-11-24 00:59:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:14,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715043065] [2024-11-24 00:59:14,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:14,068 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 [2024-11-24 00:59:14,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:14,070 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:14,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:14,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 00:59:14,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:16,241 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 [2024-11-24 00:59:16,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:59:16,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:59:16,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-24 00:59:16,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:59:16,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:59:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 15 proven. 345 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:59:16,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-24 00:59:17,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:17,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715043065] [2024-11-24 00:59:17,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715043065] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:17,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:17,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-24 00:59:17,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553595761] [2024-11-24 00:59:17,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:17,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:59:17,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:17,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:59:17,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:59:17,236 INFO L87 Difference]: Start difference. First operand 423 states and 496 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:17,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:17,715 INFO L93 Difference]: Finished difference Result 962 states and 1125 transitions. [2024-11-24 00:59:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:59:17,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 201 [2024-11-24 00:59:17,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:17,720 INFO L225 Difference]: With dead ends: 962 [2024-11-24 00:59:17,720 INFO L226 Difference]: Without dead ends: 733 [2024-11-24 00:59:17,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:59:17,721 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 153 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:17,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 267 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:59:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-24 00:59:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 467. [2024-11-24 00:59:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 410 states have (on average 1.1414634146341462) internal successors, (468), 413 states have internal predecessors, (468), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-24 00:59:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 546 transitions. [2024-11-24 00:59:17,790 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 546 transitions. Word has length 201 [2024-11-24 00:59:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:17,790 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 546 transitions. [2024-11-24 00:59:17,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 546 transitions. [2024-11-24 00:59:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-24 00:59:17,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:17,792 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:17,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 00:59:17,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:17,993 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:17,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:17,993 INFO L85 PathProgramCache]: Analyzing trace with hash -182007215, now seen corresponding path program 1 times [2024-11-24 00:59:17,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:17,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184186646] [2024-11-24 00:59:17,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:17,994 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 [2024-11-24 00:59:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:17,996 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:17,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-24 00:59:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:18,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:59:18,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:20,151 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 [2024-11-24 00:59:20,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 00:59:20,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:59:20,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:59:20,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-24 00:59:20,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:59:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:59:20,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:20,618 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 32 treesize of output 20 [2024-11-24 00:59:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:59:20,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:20,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184186646] [2024-11-24 00:59:20,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184186646] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:20,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:20,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:59:20,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156363576] [2024-11-24 00:59:20,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:20,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:59:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:20,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:59:20,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:59:20,747 INFO L87 Difference]: Start difference. First operand 467 states and 546 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:21,280 INFO L93 Difference]: Finished difference Result 1015 states and 1169 transitions. [2024-11-24 00:59:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:59:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 203 [2024-11-24 00:59:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:21,282 INFO L225 Difference]: With dead ends: 1015 [2024-11-24 00:59:21,283 INFO L226 Difference]: Without dead ends: 604 [2024-11-24 00:59:21,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:59:21,284 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 184 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:21,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 275 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:59:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-24 00:59:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 336. [2024-11-24 00:59:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 293 states have (on average 1.10580204778157) internal successors, (324), 293 states have internal predecessors, (324), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:59:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 378 transitions. [2024-11-24 00:59:21,340 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 378 transitions. Word has length 203 [2024-11-24 00:59:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:21,341 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 378 transitions. [2024-11-24 00:59:21,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 378 transitions. [2024-11-24 00:59:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-24 00:59:21,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:21,343 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:21,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-24 00:59:21,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:21,544 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:21,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -340362338, now seen corresponding path program 1 times [2024-11-24 00:59:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:21,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560502190] [2024-11-24 00:59:21,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:21,545 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 [2024-11-24 00:59:21,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:21,546 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:21,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 00:59:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:22,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:59:22,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:22,197 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 [2024-11-24 00:59:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-24 00:59:22,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:59:22,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560502190] [2024-11-24 00:59:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560502190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:59:22,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:59:22,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:59:22,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80104416] [2024-11-24 00:59:22,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:22,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:59:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:22,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:59:22,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:59:22,416 INFO L87 Difference]: Start difference. First operand 336 states and 378 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:22,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:22,967 INFO L93 Difference]: Finished difference Result 605 states and 685 transitions. [2024-11-24 00:59:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:59:22,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-24 00:59:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:22,970 INFO L225 Difference]: With dead ends: 605 [2024-11-24 00:59:22,970 INFO L226 Difference]: Without dead ends: 436 [2024-11-24 00:59:22,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:59:22,971 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 75 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:22,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 898 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:59:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-24 00:59:23,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 356. [2024-11-24 00:59:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 313 states have (on average 1.1054313099041533) internal successors, (346), 313 states have internal predecessors, (346), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:59:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 400 transitions. [2024-11-24 00:59:23,033 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 400 transitions. Word has length 204 [2024-11-24 00:59:23,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:23,034 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 400 transitions. [2024-11-24 00:59:23,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 400 transitions. [2024-11-24 00:59:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-24 00:59:23,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:23,036 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:23,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-24 00:59:23,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:23,236 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:23,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash 360702240, now seen corresponding path program 1 times [2024-11-24 00:59:23,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830563950] [2024-11-24 00:59:23,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:23,238 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 [2024-11-24 00:59:23,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:23,240 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:23,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-24 00:59:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:23,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 00:59:23,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:23,908 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 [2024-11-24 00:59:23,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-24 00:59:23,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 00:59:24,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-24 00:59:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:59:24,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:59:24,277 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:24,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830563950] [2024-11-24 00:59:24,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830563950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:59:24,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:59:24,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:59:24,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033760651] [2024-11-24 00:59:24,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:24,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:59:24,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:24,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:59:24,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:59:24,279 INFO L87 Difference]: Start difference. First operand 356 states and 400 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:25,255 INFO L93 Difference]: Finished difference Result 685 states and 774 transitions. [2024-11-24 00:59:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:59:25,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-24 00:59:25,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:25,258 INFO L225 Difference]: With dead ends: 685 [2024-11-24 00:59:25,258 INFO L226 Difference]: Without dead ends: 496 [2024-11-24 00:59:25,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:59:25,260 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 162 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:25,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1163 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:59:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-24 00:59:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 333. [2024-11-24 00:59:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 290 states have (on average 1.103448275862069) internal successors, (320), 290 states have internal predecessors, (320), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:59:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 374 transitions. [2024-11-24 00:59:25,326 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 374 transitions. Word has length 204 [2024-11-24 00:59:25,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:25,327 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 374 transitions. [2024-11-24 00:59:25,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 374 transitions. [2024-11-24 00:59:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-24 00:59:25,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:59:25,329 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:25,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-24 00:59:25,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:25,530 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:59:25,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:59:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash 370042475, now seen corresponding path program 1 times [2024-11-24 00:59:25,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:59:25,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062963239] [2024-11-24 00:59:25,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:25,531 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 [2024-11-24 00:59:25,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:59:25,534 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-24 00:59:25,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-24 00:59:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:26,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:59:26,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:27,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-24 00:59:27,746 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 [2024-11-24 00:59:27,801 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 [2024-11-24 00:59:27,895 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 11 [2024-11-24 00:59:28,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-11-24 00:59:28,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-24 00:59:28,112 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 15 treesize of output 7 [2024-11-24 00:59:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:59:28,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:59:28,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:28,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062963239] [2024-11-24 00:59:28,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062963239] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:28,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:59:28,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-24 00:59:28,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644989385] [2024-11-24 00:59:28,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:59:28,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:59:28,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:28,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:59:28,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:59:28,681 INFO L87 Difference]: Start difference. First operand 333 states and 374 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:29,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:59:29,338 INFO L93 Difference]: Finished difference Result 706 states and 790 transitions. [2024-11-24 00:59:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:59:29,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-24 00:59:29,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:59:29,340 INFO L225 Difference]: With dead ends: 706 [2024-11-24 00:59:29,340 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:59:29,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:59:29,341 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 187 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:59:29,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 231 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:59:29,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:59:29,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:59:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:59:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:59:29,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-11-24 00:59:29,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:59:29,342 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:59:29,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-24 00:59:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:59:29,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:59:29,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:59:29,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-24 00:59:29,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:59:29,548 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:59:29,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:00:12,098 WARN L286 SmtUtils]: Spent 22.35s on a formula simplification. DAG size of input: 1017 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:00:45,560 WARN L286 SmtUtils]: Spent 22.57s on a formula simplification. DAG size of input: 959 DAG size of output: 110 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-24 01:00:55,041 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:00:55,057 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,058 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-24 01:00:55,058 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-24 01:00:55,060 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,061 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,062 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,063 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-11-24 01:00:55,064 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,065 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,065 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,065 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-24 01:00:55,066 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,067 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,068 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,068 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-24 01:00:55,068 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-24 01:00:55,068 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-24 01:00:55,068 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] [2024-11-24 01:00:55,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:00:55 BoogieIcfgContainer [2024-11-24 01:00:55,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:00:55,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:00:55,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:00:55,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:00:55,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:56:53" (3/4) ... [2024-11-24 01:00:55,072 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:00:55,078 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:00:55,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-24 01:00:55,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:00:55,094 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:00:55,094 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:00:55,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:00:55,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:00:55,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:00:55,244 INFO L158 Benchmark]: Toolchain (without parser) took 247830.83ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 60.8MB in the beginning and 370.2MB in the end (delta: -309.4MB). Peak memory consumption was 310.2MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,244 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.66ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 45.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.05ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,245 INFO L158 Benchmark]: Boogie Preprocessor took 111.35ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 37.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,245 INFO L158 Benchmark]: RCFGBuilder took 5571.79ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 26.0MB in the end (delta: 11.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,245 INFO L158 Benchmark]: TraceAbstraction took 241484.27ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 25.6MB in the beginning and 378.4MB in the end (delta: -352.8MB). Peak memory consumption was 397.9MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,245 INFO L158 Benchmark]: Witness Printer took 170.82ms. Allocated memory is still 704.6MB. Free memory was 378.4MB in the beginning and 370.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.66ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 45.8MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.05ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 111.35ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 37.4MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5571.79ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 26.0MB in the end (delta: 11.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 241484.27ms. Allocated memory was 83.9MB in the beginning and 704.6MB in the end (delta: 620.8MB). Free memory was 25.6MB in the beginning and 378.4MB in the end (delta: -352.8MB). Peak memory consumption was 397.9MB. Max. memory is 16.1GB. * Witness Printer took 170.82ms. Allocated memory is still 704.6MB. Free memory was 378.4MB in the beginning and 370.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 155.9s, OverallIterations: 33, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 77.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 62.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3683 mSDsluCounter, 18987 SdHoareTripleChecker+Invalid, 60.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14841 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4561 IncrementalHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 4146 mSDtfsCounter, 4561 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6753 GetRequests, 6336 SyntacticMatches, 8 SemanticMatches, 409 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2638 ImplicationChecksByTransitivity, 32.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=687occurred in iteration=14, InterpolantAutomatonStates: 274, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 33 MinimizatonAttempts, 1335 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.1s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 48.8s InterpolantComputationTime, 4662 NumberOfCodeBlocks, 4662 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 6509 ConstructedInterpolants, 191 QuantifiedInterpolants, 40574 SizeOfPredicates, 283 NumberOfNonLiveVariables, 12720 ConjunctsInSsa, 407 ConjunctsInUnsatCore, 49 InterpolantComputations, 29 PerfectInterpolantSequences, 13263/16014 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:00:55,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7828f82d-2545-4b5a-98f9-c9abb778b9a2/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE