./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:04:50,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:04:50,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:04:50,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:04:50,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:04:50,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:04:50,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:04:50,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:04:50,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:04:50,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:04:50,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:04:50,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:04:50,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:04:50,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:04:50,841 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:04:50,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:04:50,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:04:50,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:04:50,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:04:50,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:04:50,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:04:50,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:04:50,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:04:50,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:04:50,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:04:50,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:04:50,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:04:50,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:04:50,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:04:50,846 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 -> 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 [2024-11-23 23:04:51,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:04:51,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:04:51,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:04:51,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:04:51,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:04:51,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:04:54,097 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/64b5db599/b131a5611f974dcc9ac264bb4f50ab5f/FLAG3a61f5da7 [2024-11-23 23:04:54,376 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:04:54,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:04:54,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/64b5db599/b131a5611f974dcc9ac264bb4f50ab5f/FLAG3a61f5da7 [2024-11-23 23:04:54,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/64b5db599/b131a5611f974dcc9ac264bb4f50ab5f [2024-11-23 23:04:54,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:04:54,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:04:54,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:04:54,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:04:54,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:04:54,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d557c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54, skipping insertion in model container [2024-11-23 23:04:54,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:04:54,620 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-11-23 23:04:54,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:04:54,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:04:54,724 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-11-23 23:04:54,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:04:54,782 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:04:54,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54 WrapperNode [2024-11-23 23:04:54,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:04:54,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:04:54,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:04:54,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:04:54,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,848 INFO L138 Inliner]: procedures = 29, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-11-23 23:04:54,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:04:54,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:04:54,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:04:54,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:04:54,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,890 INFO L175 MemorySlicer]: Split 115 memory accesses to 12 slices as follows [2, 9, 35, 8, 7, 14, 5, 6, 6, 8, 9, 6]. 30 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-11-23 23:04:54,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,913 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:04:54,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:04:54,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:04:54,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:04:54,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (1/1) ... [2024-11-23 23:04:54,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:04:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:04:54,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:04:54,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:04:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:04:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:04:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:04:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:04:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:04:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:04:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:04:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:04:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:04:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:04:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:04:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:04:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:04:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:04:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:04:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:04:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-23 23:04:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:04:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:04:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:04:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:04:55,264 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:04:55,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:04:56,003 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-11-23 23:04:56,006 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:04:56,017 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:04:56,017 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:04:56,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:56 BoogieIcfgContainer [2024-11-23 23:04:56,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:04:56,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:04:56,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:04:56,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:04:56,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:04:54" (1/3) ... [2024-11-23 23:04:56,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cca746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:56, skipping insertion in model container [2024-11-23 23:04:56,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:04:54" (2/3) ... [2024-11-23 23:04:56,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cca746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:04:56, skipping insertion in model container [2024-11-23 23:04:56,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:56" (3/3) ... [2024-11-23 23:04:56,028 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:04:56,042 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:04:56,044 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:04:56,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:04:56,120 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;@1170342d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:04:56,121 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:04:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:04:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:04:56,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:56,136 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:56,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:56,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:56,142 INFO L85 PathProgramCache]: Analyzing trace with hash 990451809, now seen corresponding path program 1 times [2024-11-23 23:04:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700031085] [2024-11-23 23:04:56,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:56,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 23:04:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:04:56,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700031085] [2024-11-23 23:04:56,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700031085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:04:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292656705] [2024-11-23 23:04:56,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:04:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:04:56,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:04:56,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:04:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:56,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:04:56,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:04:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 23:04:56,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:04:56,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292656705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:56,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:04:56,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:04:56,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900585905] [2024-11-23 23:04:56,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:56,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:04:56,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:04:56,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:04:56,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:04:56,917 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:04:56,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:56,943 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-11-23 23:04:56,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:04:56,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-11-23 23:04:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:56,952 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:04:56,952 INFO L226 Difference]: Without dead ends: 96 [2024-11-23 23:04:56,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:04:56,957 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:56,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:04:56,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-23 23:04:56,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-23 23:04:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:04:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-11-23 23:04:56,996 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-11-23 23:04:56,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:56,997 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-11-23 23:04:56,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:04:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-11-23 23:04:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:04:57,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:57,000 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:57,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:04:57,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:04:57,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:57,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:57,202 INFO L85 PathProgramCache]: Analyzing trace with hash -214908817, now seen corresponding path program 1 times [2024-11-23 23:04:57,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:57,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622826606] [2024-11-23 23:04:57,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:57,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:04:57,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622826606] [2024-11-23 23:04:57,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622826606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:57,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:57,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:04:57,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441628740] [2024-11-23 23:04:57,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:57,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:04:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:04:57,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:04:57,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:04:57,655 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:04:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:57,716 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-11-23 23:04:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:04:57,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-11-23 23:04:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:57,718 INFO L225 Difference]: With dead ends: 191 [2024-11-23 23:04:57,718 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:04:57,719 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 [2024-11-23 23:04:57,719 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:57,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:04:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:04:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:04:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:04:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2024-11-23 23:04:57,737 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 103 [2024-11-23 23:04:57,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:57,740 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2024-11-23 23:04:57,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:04:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-11-23 23:04:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:04:57,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:57,744 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:57,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:04:57,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:57,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:57,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1743665969, now seen corresponding path program 1 times [2024-11-23 23:04:57,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594869526] [2024-11-23 23:04:57,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:57,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:58,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:04:58,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594869526] [2024-11-23 23:04:58,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594869526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:58,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:58,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:04:58,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330492920] [2024-11-23 23:04:58,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:58,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:04:58,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:04:58,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:04:58,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:04:58,693 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:58,782 INFO L93 Difference]: Finished difference Result 193 states and 271 transitions. [2024-11-23 23:04:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:04:58,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:04:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:58,784 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:04:58,784 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:04:58,785 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 [2024-11-23 23:04:58,785 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:58,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:04:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:04:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:04:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:04:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-23 23:04:58,804 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 103 [2024-11-23 23:04:58,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:58,805 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-23 23:04:58,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-23 23:04:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:04:58,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:58,810 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:58,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:04:58,810 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:58,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1884214579, now seen corresponding path program 1 times [2024-11-23 23:04:58,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:58,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102938776] [2024-11-23 23:04:58,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:04:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:04:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:04:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102938776] [2024-11-23 23:04:59,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102938776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:04:59,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:04:59,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:04:59,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808371096] [2024-11-23 23:04:59,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:04:59,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:04:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:04:59,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:04:59,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:04:59,750 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:59,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:04:59,818 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2024-11-23 23:04:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:04:59,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:04:59,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:04:59,820 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:04:59,820 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:04:59,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:04:59,821 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:04:59,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 370 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:04:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:04:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:04:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 85 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:04:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-11-23 23:04:59,835 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 103 [2024-11-23 23:04:59,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:04:59,836 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-11-23 23:04:59,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:04:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-23 23:04:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:04:59,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:04:59,842 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:04:59,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:04:59,842 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:04:59,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:04:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash 873097329, now seen corresponding path program 1 times [2024-11-23 23:04:59,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:04:59,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15602691] [2024-11-23 23:04:59,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:04:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:04:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:00,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15602691] [2024-11-23 23:05:00,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15602691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:00,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:00,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:05:00,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031193369] [2024-11-23 23:05:00,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:00,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:05:00,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:00,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:05:00,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:05:00,601 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:00,774 INFO L93 Difference]: Finished difference Result 197 states and 272 transitions. [2024-11-23 23:05:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:05:00,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:00,776 INFO L225 Difference]: With dead ends: 197 [2024-11-23 23:05:00,776 INFO L226 Difference]: Without dead ends: 102 [2024-11-23 23:05:00,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:05:00,778 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 69 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:00,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 439 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:05:00,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-23 23:05:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2024-11-23 23:05:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 137 transitions. [2024-11-23 23:05:00,792 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 137 transitions. Word has length 103 [2024-11-23 23:05:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:00,792 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 137 transitions. [2024-11-23 23:05:00,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 137 transitions. [2024-11-23 23:05:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:00,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:00,797 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:00,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:05:00,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:00,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:00,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1574161907, now seen corresponding path program 1 times [2024-11-23 23:05:00,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:00,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875378929] [2024-11-23 23:05:00,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:00,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:05:01,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:01,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875378929] [2024-11-23 23:05:01,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875378929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:01,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517705161] [2024-11-23 23:05:01,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:01,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:05:01,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:01,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:05:01,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:05:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:01,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-23 23:05:01,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:01,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-23 23:05:01,780 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 [2024-11-23 23:05:01,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 23:05:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:02,127 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:02,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517705161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:02,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:02,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-23 23:05:02,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342018567] [2024-11-23 23:05:02,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:02,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:05:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:02,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:05:02,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:05:02,129 INFO L87 Difference]: Start difference. First operand 100 states and 137 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:02,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:02,653 INFO L93 Difference]: Finished difference Result 332 states and 457 transitions. [2024-11-23 23:05:02,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:05:02,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:02,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:02,657 INFO L225 Difference]: With dead ends: 332 [2024-11-23 23:05:02,657 INFO L226 Difference]: Without dead ends: 235 [2024-11-23 23:05:02,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:05:02,659 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 246 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:02,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1077 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:05:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-23 23:05:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 120. [2024-11-23 23:05:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 165 transitions. [2024-11-23 23:05:02,670 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 165 transitions. Word has length 103 [2024-11-23 23:05:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:02,671 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 165 transitions. [2024-11-23 23:05:02,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2024-11-23 23:05:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:02,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:02,675 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:02,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:05:02,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:05:02,876 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:02,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 502934860, now seen corresponding path program 1 times [2024-11-23 23:05:02,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:02,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695503584] [2024-11-23 23:05:02,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:02,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:03,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:03,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695503584] [2024-11-23 23:05:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695503584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:03,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:03,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:05:03,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923374107] [2024-11-23 23:05:03,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:03,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:05:03,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:03,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:05:03,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:03,191 INFO L87 Difference]: Start difference. First operand 120 states and 165 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:03,245 INFO L93 Difference]: Finished difference Result 235 states and 324 transitions. [2024-11-23 23:05:03,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:05:03,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:03,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:03,247 INFO L225 Difference]: With dead ends: 235 [2024-11-23 23:05:03,247 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 23:05:03,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:03,248 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:03,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 23:05:03,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-23 23:05:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 105 states have (on average 1.3142857142857143) internal successors, (138), 105 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 160 transitions. [2024-11-23 23:05:03,263 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 160 transitions. Word has length 103 [2024-11-23 23:05:03,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:03,267 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 160 transitions. [2024-11-23 23:05:03,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2024-11-23 23:05:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:03,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:03,268 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:03,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:05:03,269 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:03,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1022456582, now seen corresponding path program 1 times [2024-11-23 23:05:03,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:03,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915836130] [2024-11-23 23:05:03,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:03,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:03,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915836130] [2024-11-23 23:05:03,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915836130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:03,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:03,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:05:03,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621274753] [2024-11-23 23:05:03,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:03,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:03,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:03,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:03,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:03,443 INFO L87 Difference]: Start difference. First operand 118 states and 160 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:03,459 INFO L93 Difference]: Finished difference Result 209 states and 283 transitions. [2024-11-23 23:05:03,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:03,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:03,462 INFO L225 Difference]: With dead ends: 209 [2024-11-23 23:05:03,462 INFO L226 Difference]: Without dead ends: 94 [2024-11-23 23:05:03,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:03,463 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:03,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:03,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-23 23:05:03,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-23 23:05:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.271604938271605) internal successors, (103), 81 states have internal predecessors, (103), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 125 transitions. [2024-11-23 23:05:03,474 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 125 transitions. Word has length 103 [2024-11-23 23:05:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:03,474 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 125 transitions. [2024-11-23 23:05:03,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2024-11-23 23:05:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:03,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:03,475 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:03,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:05:03,476 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:03,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash -53015636, now seen corresponding path program 1 times [2024-11-23 23:05:03,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:03,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911961557] [2024-11-23 23:05:03,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:03,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:05:03,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:03,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911961557] [2024-11-23 23:05:03,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911961557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:03,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488834005] [2024-11-23 23:05:03,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:03,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:05:03,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:03,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:05:04,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:05:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:04,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 23:05:04,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:04,448 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 [2024-11-23 23:05:04,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-23 23:05:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-23 23:05:04,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:05,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 23 [2024-11-23 23:05:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:05:05,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488834005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:05:05,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:05:05,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 14 [2024-11-23 23:05:05,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417589512] [2024-11-23 23:05:05,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:05:05,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:05:05,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:05,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:05:05,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:05:05,082 INFO L87 Difference]: Start difference. First operand 94 states and 125 transitions. Second operand has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-23 23:05:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:05,424 INFO L93 Difference]: Finished difference Result 193 states and 254 transitions. [2024-11-23 23:05:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:05:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) Word has length 105 [2024-11-23 23:05:05,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:05,426 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:05:05,426 INFO L226 Difference]: Without dead ends: 102 [2024-11-23 23:05:05,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:05:05,427 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 406 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:05,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 479 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:05:05,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-23 23:05:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2024-11-23 23:05:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2024-11-23 23:05:05,437 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 105 [2024-11-23 23:05:05,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:05,437 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2024-11-23 23:05:05,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 14 states have internal predecessors, (69), 7 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-23 23:05:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2024-11-23 23:05:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:05,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:05,439 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:05,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:05:05,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 23:05:05,639 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:05,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:05,640 INFO L85 PathProgramCache]: Analyzing trace with hash -127895213, now seen corresponding path program 1 times [2024-11-23 23:05:05,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:05,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993555217] [2024-11-23 23:05:05,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:05,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:06,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:05:06,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993555217] [2024-11-23 23:05:06,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993555217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:06,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:06,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:05:06,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354776967] [2024-11-23 23:05:06,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:06,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:05:06,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:05:06,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:05:06,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:05:06,027 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:06,115 INFO L93 Difference]: Finished difference Result 193 states and 251 transitions. [2024-11-23 23:05:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:05:06,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 23:05:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:06,117 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:05:06,118 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:05:06,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:05:06,119 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 115 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:06,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 437 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:05:06,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:05:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 84 states have internal predecessors, (104), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-11-23 23:05:06,131 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 126 transitions. Word has length 105 [2024-11-23 23:05:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:06,132 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-23 23:05:06,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-23 23:05:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:06,133 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:06,133 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:06,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:05:06,134 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:06,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash 689753237, now seen corresponding path program 1 times [2024-11-23 23:05:06,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:05:06,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728689933] [2024-11-23 23:05:06,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:05:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:05:06,267 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:05:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:05:06,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:05:06,477 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:05:06,478 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:05:06,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:05:06,483 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:06,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:05:06,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:05:06 BoogieIcfgContainer [2024-11-23 23:05:06,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:05:06,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:05:06,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:05:06,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:05:06,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:04:56" (3/4) ... [2024-11-23 23:05:06,681 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:05:06,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:05:06,683 INFO L158 Benchmark]: Toolchain (without parser) took 12267.14ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 106.3MB in the beginning and 304.6MB in the end (delta: -198.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-23 23:05:06,683 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:05:06,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.91ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:05:06,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.89ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 88.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:05:06,684 INFO L158 Benchmark]: Boogie Preprocessor took 95.71ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 83.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:05:06,684 INFO L158 Benchmark]: RCFGBuilder took 1072.84ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 47.6MB in the end (delta: 36.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:05:06,685 INFO L158 Benchmark]: TraceAbstraction took 10657.31ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 46.9MB in the beginning and 304.7MB in the end (delta: -257.7MB). Peak memory consumption was 148.6MB. Max. memory is 16.1GB. [2024-11-23 23:05:06,685 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 352.3MB. Free memory was 304.7MB in the beginning and 304.6MB in the end (delta: 106.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:05:06,686 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.91ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 92.0MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.89ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 88.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.71ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 83.9MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1072.84ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 47.6MB in the end (delta: 36.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10657.31ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 46.9MB in the beginning and 304.7MB in the end (delta: -257.7MB). Peak memory consumption was 148.6MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 352.3MB. Free memory was 304.7MB in the beginning and 304.6MB in the end (delta: 106.0kB). 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 93, overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L22] signed long int var_1_1 = -1; [L23] signed long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_8 = 5; [L24] unsigned char var_1_8 = 5; [L25] unsigned char* var_1_8_Pointer = &(var_1_8); [L26] unsigned char var_1_9 = 4; [L26] unsigned char var_1_9 = 4; [L27] unsigned char* var_1_9_Pointer = &(var_1_9); [L28] float var_1_10 = 16.5; [L28] float var_1_10 = 16.5; [L29] float* var_1_10_Pointer = &(var_1_10); [L30] float var_1_11 = 127.25; [L30] float var_1_11 = 127.25; [L31] float* var_1_11_Pointer = &(var_1_11); [L32] unsigned char var_1_12 = 1; [L32] unsigned char var_1_12 = 1; [L33] unsigned char* var_1_12_Pointer = &(var_1_12); [L34] unsigned char var_1_13 = 0; [L34] unsigned char var_1_13 = 0; [L35] unsigned char* var_1_13_Pointer = &(var_1_13); [L36] unsigned char var_1_15 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned char* var_1_15_Pointer = &(var_1_15); [L38] unsigned char var_1_16 = 0; [L38] unsigned char var_1_16 = 0; [L39] unsigned char* var_1_16_Pointer = &(var_1_16); [L40] unsigned char var_1_17 = 0; [L40] unsigned char var_1_17 = 0; [L41] unsigned char* var_1_17_Pointer = &(var_1_17); [L42] unsigned char var_1_18 = 0; [L42] unsigned char var_1_18 = 0; [L43] unsigned char* var_1_18_Pointer = &(var_1_18); VAL [isInitial=0, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L97] isInitial = 1 [L98] FCALL initially() [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L72] var_1_9 = __VERIFIER_nondet_uchar() [L73] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L73] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L73] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] EXPR \read(var_1_9) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L74] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L75] var_1_11 = __VERIFIER_nondet_float() [L76] EXPR \read(var_1_11) [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L76] EXPR \read(var_1_11) [L76] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L76] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L77] var_1_13 = __VERIFIER_nondet_uchar() [L78] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L78] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L78] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L79] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L80] var_1_15 = __VERIFIER_nondet_uchar() [L81] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L82] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L83] var_1_16 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L84] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L84] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] EXPR \read(var_1_16) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L85] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L86] var_1_18 = __VERIFIER_nondet_uchar() [L87] EXPR \read(var_1_18) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L87] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L87] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] EXPR \read(var_1_18) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L88] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L101] RET updateVariables() [L102] CALL step() [L47] EXPR \read(*var_1_9_Pointer) [L47] (*(var_1_8_Pointer)) = ((*(var_1_9_Pointer)) + 100) [L48] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L48] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) [L48] EXPR \read(*var_1_11_Pointer) [L48] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L48] (*(var_1_10_Pointer)) = (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))) [L49] EXPR \read(*var_1_8_Pointer) [L49] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L49] COND FALSE !((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L52] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR \read(*var_1_8_Pointer) [L52] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L52] (*(var_1_1_Pointer)) = ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))) [L54] EXPR \read(*var_1_11_Pointer) [L54] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L54] COND TRUE (*(var_1_11_Pointer)) <= (*(var_1_10_Pointer)) [L55] EXPR \read(*var_1_1_Pointer) [L55] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L55] COND TRUE (*(var_1_1_Pointer)) != (*(var_1_8_Pointer)) [L56] EXPR \read(*var_1_18_Pointer) [L56] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L65] EXPR \read(*var_1_10_Pointer) [L65] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L65] COND FALSE !((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) [L68] EXPR \read(*var_1_1_Pointer) [L68] EXPR \read(*var_1_9_Pointer) [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) [L68] EXPR \read(*var_1_16_Pointer) [L68] EXPR ((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L68] (*(var_1_12_Pointer)) = (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))) [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))))) [L93] EXPR \read(*var_1_1_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR ((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) [L93] EXPR \read(*var_1_8_Pointer) [L93] EXPR \read(*var_1_9_Pointer) [L93] EXPR (((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) [L93] EXPR \read(*var_1_10_Pointer) [L93] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) [L93] EXPR \read(*var_1_11_Pointer) [L93] EXPR (((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR (((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer)))))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93] EXPR ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L93-L94] return ((((((*(var_1_8_Pointer)) > (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer))) < ((*(var_1_8_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) - 10))) : ((*(var_1_1_Pointer)) == ((signed long int) ((((((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) > (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))) ? (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer)))) : (((*(var_1_8_Pointer)) - (*(var_1_8_Pointer))))))))) && ((*(var_1_8_Pointer)) == ((unsigned char) ((*(var_1_9_Pointer)) + 100)))) && ((*(var_1_10_Pointer)) == ((float) (((((*(var_1_11_Pointer))) < (64.15f)) ? ((*(var_1_11_Pointer))) : (64.15f)))))) && (((- (*(var_1_10_Pointer))) > (*(var_1_11_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) ((*(var_1_13_Pointer)) || ((*(var_1_17_Pointer)) && ((*(var_1_15_Pointer)) || (*(var_1_16_Pointer))))))) : ((*(var_1_12_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) <= (*(var_1_9_Pointer))) && (*(var_1_16_Pointer))))))) && (((*(var_1_11_Pointer)) <= (*(var_1_10_Pointer))) ? (((*(var_1_1_Pointer)) != (*(var_1_8_Pointer))) ? ((*(var_1_17_Pointer)) == ((unsigned char) (*(var_1_18_Pointer)))) : 1) : (((*(var_1_8_Pointer)) <= 1000000) ? ((*(var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(var_1_17_Pointer)) == ((unsigned char) 0)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={7:0}, var_1_10_Pointer={7:0}, var_1_11={8:0}, var_1_11_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_15={11:0}, var_1_15_Pointer={11:0}, var_1_16={12:0}, var_1_16_Pointer={12:0}, var_1_17={13:0}, var_1_17_Pointer={13:0}, var_1_18={14:0}, var_1_18_Pointer={14:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_8={5:0}, var_1_8_Pointer={5:0}, var_1_9={6:0}, var_1_9_Pointer={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 11, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 836 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 836 mSDsluCounter, 4301 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3035 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 1266 mSDtfsCounter, 658 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=6, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 121 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 3689 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1479 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 2876/3080 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 [2024-11-23 23:05:06,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:05:09,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:05:09,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:05:09,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:05:09,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:05:09,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:05:09,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:05:09,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:05:09,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:05:09,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:05:09,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:05:09,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:05:09,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:05:09,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:05:09,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:05:09,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:05:09,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:05:09,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:05:09,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:05:09,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:05:09,526 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:09,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:05:09,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:09,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:05:09,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:05:09,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:05:09,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:05:09,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:05:09,528 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 -> 998af785ff4fae0c3f310b9fe3b87371c69c6b583b1eb526ab6adc9853d45ab3 [2024-11-23 23:05:09,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:05:09,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:05:09,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:05:09,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:05:09,858 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:05:09,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:05:12,938 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/43bd85c9b/300d17f1f86540b3bd5e1d50911c3072/FLAG061cf6798 [2024-11-23 23:05:13,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:05:13,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:05:13,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/43bd85c9b/300d17f1f86540b3bd5e1d50911c3072/FLAG061cf6798 [2024-11-23 23:05:13,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/data/43bd85c9b/300d17f1f86540b3bd5e1d50911c3072 [2024-11-23 23:05:13,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:05:13,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:05:13,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:13,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:05:13,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:05:13,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfbd4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13, skipping insertion in model container [2024-11-23 23:05:13,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:05:13,511 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-11-23 23:05:13,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:13,624 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:05:13,636 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_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-42.i[916,929] [2024-11-23 23:05:13,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:05:13,709 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:05:13,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13 WrapperNode [2024-11-23 23:05:13,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:05:13,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:13,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:05:13,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:05:13,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,779 INFO L138 Inliner]: procedures = 33, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-11-23 23:05:13,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:05:13,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:05:13,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:05:13,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:05:13,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,838 INFO L175 MemorySlicer]: Split 115 memory accesses to 12 slices as follows [2, 9, 35, 8, 7, 14, 5, 6, 6, 8, 9, 6]. 30 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-11-23 23:05:13,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,863 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:05:13,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:05:13,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:05:13,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:05:13,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (1/1) ... [2024-11-23 23:05:13,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:05:13,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:05:13,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:05:13,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:05:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:05:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:05:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:05:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:05:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-23 23:05:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-23 23:05:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-23 23:05:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:05:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:05:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:05:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:05:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:05:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:05:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 23:05:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 23:05:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-23 23:05:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-23 23:05:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 23:05:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 23:05:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-23 23:05:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-23 23:05:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:05:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:05:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-23 23:05:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 23:05:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 23:05:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 23:05:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 23:05:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-23 23:05:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-23 23:05:14,261 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:05:14,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:05:14,900 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-11-23 23:05:14,900 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:05:14,911 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:05:14,911 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:05:14,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:14 BoogieIcfgContainer [2024-11-23 23:05:14,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:05:14,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:05:14,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:05:14,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:05:14,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:05:13" (1/3) ... [2024-11-23 23:05:14,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eec1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:14, skipping insertion in model container [2024-11-23 23:05:14,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:05:13" (2/3) ... [2024-11-23 23:05:14,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eec1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:05:14, skipping insertion in model container [2024-11-23 23:05:14,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:05:14" (3/3) ... [2024-11-23 23:05:14,921 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-42.i [2024-11-23 23:05:14,936 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:05:14,937 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:05:14,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:05:15,014 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;@1909e8af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:05:15,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:05:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:15,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:15,034 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:15,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:15,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:15,044 INFO L85 PathProgramCache]: Analyzing trace with hash 990451809, now seen corresponding path program 1 times [2024-11-23 23:05:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:15,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154161064] [2024-11-23 23:05:15,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:15,061 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 [2024-11-23 23:05:15,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:15,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:15,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:15,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:05:15,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 23:05:15,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:15,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154161064] [2024-11-23 23:05:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154161064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:15,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:15,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:05:15,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054595292] [2024-11-23 23:05:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:15,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:05:15,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:15,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:05:15,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:05:15,515 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:15,543 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-11-23 23:05:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:05:15,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:15,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:15,551 INFO L225 Difference]: With dead ends: 193 [2024-11-23 23:05:15,551 INFO L226 Difference]: Without dead ends: 96 [2024-11-23 23:05:15,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:05:15,556 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:15,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-23 23:05:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-23 23:05:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:15,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-11-23 23:05:15,628 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-11-23 23:05:15,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:15,628 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-11-23 23:05:15,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-11-23 23:05:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:15,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:15,633 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:15,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:05:15,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:15,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:15,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:15,835 INFO L85 PathProgramCache]: Analyzing trace with hash -214908817, now seen corresponding path program 1 times [2024-11-23 23:05:15,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:15,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770522874] [2024-11-23 23:05:15,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:15,836 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 [2024-11-23 23:05:15,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:15,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:15,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:16,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:05:16,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-23 23:05:16,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:16,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770522874] [2024-11-23 23:05:16,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770522874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:16,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:16,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:05:16,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117249309] [2024-11-23 23:05:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:16,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:05:16,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:16,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:05:16,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:16,255 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:05:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:16,337 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-11-23 23:05:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:05:16,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-11-23 23:05:16,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:16,339 INFO L225 Difference]: With dead ends: 191 [2024-11-23 23:05:16,339 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:05:16,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:05:16,340 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:16,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:05:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:05:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:05:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2024-11-23 23:05:16,362 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 103 [2024-11-23 23:05:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:16,364 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2024-11-23 23:05:16,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:05:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-11-23 23:05:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:16,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:16,366 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:16,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:16,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:16,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:16,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:16,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1743665969, now seen corresponding path program 1 times [2024-11-23 23:05:16,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:16,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065442649] [2024-11-23 23:05:16,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:16,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:05:16,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:16,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:16,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:16,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:05:16,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:17,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:05:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-23 23:05:17,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:17,845 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:05:17,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:05:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:05:17,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:17,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065442649] [2024-11-23 23:05:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065442649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:05:17,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:05:17,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-23 23:05:17,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662635333] [2024-11-23 23:05:18,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:05:18,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:05:18,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:18,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:05:18,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:05:18,005 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:05:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:18,531 INFO L93 Difference]: Finished difference Result 201 states and 278 transitions. [2024-11-23 23:05:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:05:18,533 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 103 [2024-11-23 23:05:18,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:18,534 INFO L225 Difference]: With dead ends: 201 [2024-11-23 23:05:18,534 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:05:18,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:05:18,536 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 279 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:18,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:05:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:05:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-23 23:05:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 139 transitions. [2024-11-23 23:05:18,553 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 139 transitions. Word has length 103 [2024-11-23 23:05:18,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:18,554 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 139 transitions. [2024-11-23 23:05:18,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.111111111111111) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:05:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 139 transitions. [2024-11-23 23:05:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:18,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:18,560 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:18,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:18,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:18,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:18,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:18,762 INFO L85 PathProgramCache]: Analyzing trace with hash -361437544, now seen corresponding path program 1 times [2024-11-23 23:05:18,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:18,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535551590] [2024-11-23 23:05:18,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:18,763 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 [2024-11-23 23:05:18,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:18,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:18,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:19,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 23:05:19,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:19,454 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 [2024-11-23 23:05:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:19,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:19,829 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:19,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535551590] [2024-11-23 23:05:19,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535551590] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:19,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:19,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-23 23:05:19,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243197733] [2024-11-23 23:05:19,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:19,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:05:19,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:19,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:05:19,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:05:19,831 INFO L87 Difference]: Start difference. First operand 102 states and 139 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:20,063 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2024-11-23 23:05:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:05:20,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:20,065 INFO L225 Difference]: With dead ends: 205 [2024-11-23 23:05:20,065 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 23:05:20,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:05:20,066 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 84 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:20,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 419 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:05:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 23:05:20,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2024-11-23 23:05:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 141 transitions. [2024-11-23 23:05:20,079 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 141 transitions. Word has length 103 [2024-11-23 23:05:20,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:20,080 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 141 transitions. [2024-11-23 23:05:20,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 141 transitions. [2024-11-23 23:05:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:20,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:20,085 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:20,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:05:20,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:20,286 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:20,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:20,286 INFO L85 PathProgramCache]: Analyzing trace with hash 339627034, now seen corresponding path program 1 times [2024-11-23 23:05:20,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:20,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052536946] [2024-11-23 23:05:20,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:20,287 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 [2024-11-23 23:05:20,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:20,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:20,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:20,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:05:20,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:20,611 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 26 treesize of output 22 [2024-11-23 23:05:20,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-23 23:05:20,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-11-23 23:05:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:20,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:20,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:20,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052536946] [2024-11-23 23:05:20,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052536946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:20,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:20,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:05:20,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573269746] [2024-11-23 23:05:20,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:20,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:05:20,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:20,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:05:20,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:05:20,746 INFO L87 Difference]: Start difference. First operand 104 states and 141 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:21,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:21,300 INFO L93 Difference]: Finished difference Result 308 states and 420 transitions. [2024-11-23 23:05:21,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:05:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:21,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:21,303 INFO L225 Difference]: With dead ends: 308 [2024-11-23 23:05:21,303 INFO L226 Difference]: Without dead ends: 207 [2024-11-23 23:05:21,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:05:21,305 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 122 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:21,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1026 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:05:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-23 23:05:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2024-11-23 23:05:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 110 states have internal predecessors, (147), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 169 transitions. [2024-11-23 23:05:21,324 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 169 transitions. Word has length 103 [2024-11-23 23:05:21,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:21,325 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 169 transitions. [2024-11-23 23:05:21,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 169 transitions. [2024-11-23 23:05:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:21,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:21,327 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:21,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:21,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:21,527 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:21,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:21,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1742717263, now seen corresponding path program 1 times [2024-11-23 23:05:21,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:21,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940829272] [2024-11-23 23:05:21,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:21,530 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 [2024-11-23 23:05:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:21,532 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:21,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:05:21,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:21,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:05:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:21,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:21,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:21,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940829272] [2024-11-23 23:05:21,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940829272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:21,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:21,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:05:21,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803613804] [2024-11-23 23:05:21,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:21,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:21,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:21,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:21,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:21,839 INFO L87 Difference]: Start difference. First operand 124 states and 169 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:21,863 INFO L93 Difference]: Finished difference Result 243 states and 332 transitions. [2024-11-23 23:05:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:21,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:21,865 INFO L225 Difference]: With dead ends: 243 [2024-11-23 23:05:21,865 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 23:05:21,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:21,866 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:21,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 23:05:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-23 23:05:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 108 states have internal predecessors, (142), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 164 transitions. [2024-11-23 23:05:21,881 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 164 transitions. Word has length 103 [2024-11-23 23:05:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:21,882 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 164 transitions. [2024-11-23 23:05:21,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 164 transitions. [2024-11-23 23:05:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 23:05:21,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:21,883 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:21,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:05:22,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:22,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:22,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:22,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2116442845, now seen corresponding path program 1 times [2024-11-23 23:05:22,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:22,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711132871] [2024-11-23 23:05:22,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:22,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:05:22,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:22,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:22,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:22,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:05:22,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:22,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:05:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:22,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:05:22,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:22,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711132871] [2024-11-23 23:05:22,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711132871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:05:22,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:05:22,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:05:22,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511221249] [2024-11-23 23:05:22,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:22,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:05:22,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:22,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:05:22,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:22,402 INFO L87 Difference]: Start difference. First operand 122 states and 164 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:22,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:22,426 INFO L93 Difference]: Finished difference Result 217 states and 291 transitions. [2024-11-23 23:05:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:05:22,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-11-23 23:05:22,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:22,427 INFO L225 Difference]: With dead ends: 217 [2024-11-23 23:05:22,428 INFO L226 Difference]: Without dead ends: 98 [2024-11-23 23:05:22,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:05:22,429 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:22,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:05:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-23 23:05:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-23 23:05:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 84 states have internal predecessors, (107), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 129 transitions. [2024-11-23 23:05:22,442 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 129 transitions. Word has length 103 [2024-11-23 23:05:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:22,442 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 129 transitions. [2024-11-23 23:05:22,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 129 transitions. [2024-11-23 23:05:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:22,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:22,444 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:22,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:05:22,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:22,644 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:22,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1030054893, now seen corresponding path program 1 times [2024-11-23 23:05:22,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:22,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216669705] [2024-11-23 23:05:22,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:22,646 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 [2024-11-23 23:05:22,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:22,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:22,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:22,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 23:05:22,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:23,227 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 [2024-11-23 23:05:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:23,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:23,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:23,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216669705] [2024-11-23 23:05:23,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216669705] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:23,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:23,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-23 23:05:23,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993259415] [2024-11-23 23:05:23,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:23,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:05:23,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:23,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:05:23,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:05:23,573 INFO L87 Difference]: Start difference. First operand 98 states and 129 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:23,749 INFO L93 Difference]: Finished difference Result 200 states and 262 transitions. [2024-11-23 23:05:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:05:23,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 23:05:23,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:23,750 INFO L225 Difference]: With dead ends: 200 [2024-11-23 23:05:23,751 INFO L226 Difference]: Without dead ends: 100 [2024-11-23 23:05:23,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:05:23,752 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 10 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:23,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 448 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:05:23,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-23 23:05:23,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-11-23 23:05:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 84 states have internal predecessors, (106), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2024-11-23 23:05:23,763 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 105 [2024-11-23 23:05:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:23,764 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2024-11-23 23:05:23,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2024-11-23 23:05:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:23,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:23,765 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:23,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:23,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:23,970 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:23,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2051123247, now seen corresponding path program 1 times [2024-11-23 23:05:23,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:23,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76435807] [2024-11-23 23:05:23,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:23,971 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 [2024-11-23 23:05:23,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:23,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:23,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:24,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-23 23:05:24,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:24,547 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 [2024-11-23 23:05:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:24,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:25,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:25,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76435807] [2024-11-23 23:05:25,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76435807] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:25,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:25,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2024-11-23 23:05:25,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832229941] [2024-11-23 23:05:25,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:25,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:05:25,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:25,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:05:25,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:05:25,119 INFO L87 Difference]: Start difference. First operand 98 states and 128 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:25,809 INFO L93 Difference]: Finished difference Result 204 states and 264 transitions. [2024-11-23 23:05:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:05:25,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 23:05:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:25,811 INFO L225 Difference]: With dead ends: 204 [2024-11-23 23:05:25,811 INFO L226 Difference]: Without dead ends: 100 [2024-11-23 23:05:25,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:05:25,812 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 25 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:25,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 918 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:05:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-23 23:05:25,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-11-23 23:05:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2024-11-23 23:05:25,833 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 105 [2024-11-23 23:05:25,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:25,833 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2024-11-23 23:05:25,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2024-11-23 23:05:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:25,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:25,834 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:25,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:05:26,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:26,035 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:26,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1233474797, now seen corresponding path program 1 times [2024-11-23 23:05:26,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:26,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086366079] [2024-11-23 23:05:26,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:26,038 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 [2024-11-23 23:05:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:26,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:26,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:26,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 23:05:26,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:26,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-23 23:05:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 67 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 23:05:26,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:27,283 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:05:27,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:27,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086366079] [2024-11-23 23:05:27,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086366079] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:27,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:05:27,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-11-23 23:05:27,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384316352] [2024-11-23 23:05:27,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:05:27,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:05:27,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:05:27,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:05:27,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:05:27,285 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:05:28,183 INFO L93 Difference]: Finished difference Result 218 states and 281 transitions. [2024-11-23 23:05:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:05:28,184 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-11-23 23:05:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:05:28,184 INFO L225 Difference]: With dead ends: 218 [2024-11-23 23:05:28,184 INFO L226 Difference]: Without dead ends: 100 [2024-11-23 23:05:28,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2024-11-23 23:05:28,186 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 125 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:05:28,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 921 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:05:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-23 23:05:28,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2024-11-23 23:05:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 84 states have internal predecessors, (104), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 23:05:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2024-11-23 23:05:28,196 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 126 transitions. Word has length 105 [2024-11-23 23:05:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:05:28,197 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 126 transitions. [2024-11-23 23:05:28,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:05:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-23 23:05:28,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 23:05:28,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:05:28,198 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:05:28,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:05:28,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:28,400 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:05:28,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:05:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 689753237, now seen corresponding path program 1 times [2024-11-23 23:05:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:05:28,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657621360] [2024-11-23 23:05:28,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:28,401 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 [2024-11-23 23:05:28,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:05:28,403 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:05:28,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:05:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:28,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 23:05:28,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:29,867 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 [2024-11-23 23:05:29,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-23 23:05:30,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-23 23:05:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-23 23:05:30,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:05:51,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:05:51,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657621360] [2024-11-23 23:05:51,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657621360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:05:51,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [36445326] [2024-11-23 23:05:51,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:05:51,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:05:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:05:51,218 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:05:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-23 23:05:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:05:52,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 23:05:52,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:05:53,462 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 [2024-11-23 23:05:58,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-23 23:05:59,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 61 [2024-11-23 23:06:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-23 23:06:00,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:06:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [36445326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:06:39,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:06:39,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2024-11-23 23:06:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895947215] [2024-11-23 23:06:39,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:06:39,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 23:06:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:06:39,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 23:06:39,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=747, Unknown=2, NotChecked=0, Total=870 [2024-11-23 23:06:39,316 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:06:45,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:45,129 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2024-11-23 23:06:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:06:45,132 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 105 [2024-11-23 23:06:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:45,133 INFO L225 Difference]: With dead ends: 282 [2024-11-23 23:06:45,133 INFO L226 Difference]: Without dead ends: 187 [2024-11-23 23:06:45,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 64.6s TimeCoverageRelationStatistics Valid=232, Invalid=1248, Unknown=2, NotChecked=0, Total=1482 [2024-11-23 23:06:45,134 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 614 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:45,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 1053 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 530 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-23 23:06:45,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-23 23:06:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-11-23 23:06:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 156 states have (on average 1.2179487179487178) internal successors, (190), 157 states have internal predecessors, (190), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:06:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 234 transitions. [2024-11-23 23:06:45,163 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 234 transitions. Word has length 105 [2024-11-23 23:06:45,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:45,164 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 234 transitions. [2024-11-23 23:06:45,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 20 states have internal predecessors, (92), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:06:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2024-11-23 23:06:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:06:45,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:45,167 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:45,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-23 23:06:45,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:06:45,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:06:45,568 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:45,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:45,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1700988979, now seen corresponding path program 1 times [2024-11-23 23:06:45,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:06:45,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508863817] [2024-11-23 23:06:45,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:45,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:06:45,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:06:45,572 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:06:45,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 (14)] Waiting until timeout for monitored process [2024-11-23 23:06:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:45,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:06:45,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:46,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-11-23 23:06:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:06:46,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:06:47,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-23 23:06:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:06:47,352 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:06:47,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508863817] [2024-11-23 23:06:47,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508863817] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:06:47,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:06:47,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-23 23:06:47,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144309538] [2024-11-23 23:06:47,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:06:47,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:06:47,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:06:47,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:06:47,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:06:47,354 INFO L87 Difference]: Start difference. First operand 184 states and 234 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-23 23:06:49,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:06:49,627 INFO L93 Difference]: Finished difference Result 384 states and 486 transitions. [2024-11-23 23:06:49,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:06:49,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 107 [2024-11-23 23:06:49,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:06:49,632 INFO L225 Difference]: With dead ends: 384 [2024-11-23 23:06:49,632 INFO L226 Difference]: Without dead ends: 192 [2024-11-23 23:06:49,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:06:49,636 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 114 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:06:49,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 626 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:06:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-23 23:06:49,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 182. [2024-11-23 23:06:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 154 states have (on average 1.2077922077922079) internal successors, (186), 155 states have internal predecessors, (186), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:06:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-11-23 23:06:49,667 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 107 [2024-11-23 23:06:49,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:06:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-11-23 23:06:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-23 23:06:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-11-23 23:06:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:06:49,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:06:49,669 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:06:49,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 (14)] Forceful destruction successful, exit code 0 [2024-11-23 23:06:49,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:06:49,873 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:06:49,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:49,873 INFO L85 PathProgramCache]: Analyzing trace with hash 557642696, now seen corresponding path program 1 times [2024-11-23 23:06:49,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:06:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566482538] [2024-11-23 23:06:49,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:49,874 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 [2024-11-23 23:06:49,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:06:49,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:06:49,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:06:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:50,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:06:50,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:06:50,299 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 [2024-11-23 23:06:51,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 65 [2024-11-23 23:06:58,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:06:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:06:59,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:06:59,163 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:06:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566482538] [2024-11-23 23:06:59,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566482538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:59,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:59,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-23 23:06:59,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356405014] [2024-11-23 23:06:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:59,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:06:59,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:06:59,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:06:59,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:06:59,165 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:07:01,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:04,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:08,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:10,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:12,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:14,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:16,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:18,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:22,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:28,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:31,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:33,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:36,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:38,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:38,909 INFO L93 Difference]: Finished difference Result 477 states and 602 transitions. [2024-11-23 23:07:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:07:38,911 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:07:38,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:38,913 INFO L225 Difference]: With dead ends: 477 [2024-11-23 23:07:38,913 INFO L226 Difference]: Without dead ends: 298 [2024-11-23 23:07:38,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:07:38,915 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 120 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:38,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1125 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 2 Unknown, 0 Unchecked, 38.6s Time] [2024-11-23 23:07:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-23 23:07:38,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 206. [2024-11-23 23:07:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 178 states have (on average 1.202247191011236) internal successors, (214), 179 states have internal predecessors, (214), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:07:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 258 transitions. [2024-11-23 23:07:38,947 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 258 transitions. Word has length 107 [2024-11-23 23:07:38,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:38,947 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 258 transitions. [2024-11-23 23:07:38,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:07:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 258 transitions. [2024-11-23 23:07:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:07:38,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:38,949 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:38,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:07:39,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:07:39,150 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:39,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:39,150 INFO L85 PathProgramCache]: Analyzing trace with hash 164615686, now seen corresponding path program 1 times [2024-11-23 23:07:39,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:39,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475689757] [2024-11-23 23:07:39,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:39,150 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 [2024-11-23 23:07:39,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:39,152 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:07:39,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Waiting until timeout for monitored process [2024-11-23 23:07:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:39,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:07:39,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:40,478 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 [2024-11-23 23:07:41,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-23 23:07:44,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:07:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:07:45,046 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:07:45,046 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:07:45,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475689757] [2024-11-23 23:07:45,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475689757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:45,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:45,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:07:45,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924686329] [2024-11-23 23:07:45,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:45,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:07:45,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:07:45,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:07:45,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:07:45,047 INFO L87 Difference]: Start difference. First operand 206 states and 258 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:07:48,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:50,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:54,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-23 23:07:54,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:07:54,632 INFO L93 Difference]: Finished difference Result 445 states and 557 transitions. [2024-11-23 23:07:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:07:54,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:07:54,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:07:54,640 INFO L225 Difference]: With dead ends: 445 [2024-11-23 23:07:54,640 INFO L226 Difference]: Without dead ends: 242 [2024-11-23 23:07:54,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:07:54,642 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 240 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:07:54,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 670 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-23 23:07:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-23 23:07:54,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 205. [2024-11-23 23:07:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 177 states have (on average 1.192090395480226) internal successors, (211), 178 states have internal predecessors, (211), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:07:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-23 23:07:54,666 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 107 [2024-11-23 23:07:54,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:07:54,667 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-23 23:07:54,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:07:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-23 23:07:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:07:54,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:07:54,668 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:54,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:07:54,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:07:54,869 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:07:54,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:54,870 INFO L85 PathProgramCache]: Analyzing trace with hash 716915087, now seen corresponding path program 1 times [2024-11-23 23:07:54,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:07:54,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965209153] [2024-11-23 23:07:54,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:54,870 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 [2024-11-23 23:07:54,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:07:54,872 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:07:54,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:07:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:55,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:07:55,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:07:58,249 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 [2024-11-23 23:07:59,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-23 23:07:59,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 47 [2024-11-23 23:08:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:08:00,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:08:02,457 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:02,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965209153] [2024-11-23 23:08:02,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965209153] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:02,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:08:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 23 [2024-11-23 23:08:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435644778] [2024-11-23 23:08:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:02,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:08:02,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:02,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:08:02,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:08:02,459 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:04,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:04,447 INFO L93 Difference]: Finished difference Result 423 states and 524 transitions. [2024-11-23 23:08:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:08:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:08:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:04,450 INFO L225 Difference]: With dead ends: 423 [2024-11-23 23:08:04,450 INFO L226 Difference]: Without dead ends: 221 [2024-11-23 23:08:04,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:08:04,452 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 77 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:04,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 963 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 23:08:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-23 23:08:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 205. [2024-11-23 23:08:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 177 states have (on average 1.192090395480226) internal successors, (211), 178 states have internal predecessors, (211), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:08:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-23 23:08:04,473 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 107 [2024-11-23 23:08:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:04,473 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-23 23:08:04,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-23 23:08:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:08:04,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:04,475 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:04,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:08:04,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:04,675 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:04,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:04,676 INFO L85 PathProgramCache]: Analyzing trace with hash 323888077, now seen corresponding path program 1 times [2024-11-23 23:08:04,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:04,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479771516] [2024-11-23 23:08:04,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:04,676 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 [2024-11-23 23:08:04,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:04,678 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:04,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:04,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 23:08:04,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:08,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-23 23:08:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:08:08,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:08:09,902 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:09,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479771516] [2024-11-23 23:08:09,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479771516] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:09,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:08:09,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-23 23:08:09,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783479002] [2024-11-23 23:08:09,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:09,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:08:09,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:09,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:08:09,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:08:09,904 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:10,463 INFO L93 Difference]: Finished difference Result 416 states and 515 transitions. [2024-11-23 23:08:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:08:10,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:08:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:10,466 INFO L225 Difference]: With dead ends: 416 [2024-11-23 23:08:10,466 INFO L226 Difference]: Without dead ends: 214 [2024-11-23 23:08:10,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:08:10,467 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 57 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:10,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 435 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:08:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-23 23:08:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 193. [2024-11-23 23:08:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 165 states have (on average 1.1939393939393939) internal successors, (197), 166 states have internal predecessors, (197), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 23:08:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 241 transitions. [2024-11-23 23:08:10,491 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 241 transitions. Word has length 107 [2024-11-23 23:08:10,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:10,493 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 241 transitions. [2024-11-23 23:08:10,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 241 transitions. [2024-11-23 23:08:10,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:08:10,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:10,496 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:10,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:10,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:10,697 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:10,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:10,697 INFO L85 PathProgramCache]: Analyzing trace with hash 739547341, now seen corresponding path program 1 times [2024-11-23 23:08:10,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:10,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637487462] [2024-11-23 23:08:10,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:10,698 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 [2024-11-23 23:08:10,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:10,700 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:10,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Waiting until timeout for monitored process [2024-11-23 23:08:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:10,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:08:10,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:14,131 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 [2024-11-23 23:08:14,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-23 23:08:15,741 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 73 treesize of output 37 [2024-11-23 23:08:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 8 proven. 96 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:08:16,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:08:17,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:17,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637487462] [2024-11-23 23:08:17,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637487462] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:17,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:08:17,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 21 [2024-11-23 23:08:17,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086775015] [2024-11-23 23:08:17,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:17,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:08:17,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:17,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:08:17,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:08:17,773 INFO L87 Difference]: Start difference. First operand 193 states and 241 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:18,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:18,591 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2024-11-23 23:08:18,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:08:18,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:08:18,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:18,594 INFO L225 Difference]: With dead ends: 399 [2024-11-23 23:08:18,594 INFO L226 Difference]: Without dead ends: 209 [2024-11-23 23:08:18,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:08:18,596 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 192 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:18,596 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 721 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:08:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-23 23:08:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 166. [2024-11-23 23:08:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 140 states have (on average 1.1571428571428573) internal successors, (162), 140 states have internal predecessors, (162), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:08:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 202 transitions. [2024-11-23 23:08:18,617 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 202 transitions. Word has length 107 [2024-11-23 23:08:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:18,618 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 202 transitions. [2024-11-23 23:08:18,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 202 transitions. [2024-11-23 23:08:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 23:08:18,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:18,619 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:18,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:08:18,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:18,820 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:18,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash 346520331, now seen corresponding path program 1 times [2024-11-23 23:08:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:18,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474222424] [2024-11-23 23:08:18,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:18,820 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 [2024-11-23 23:08:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:18,822 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:18,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:19,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:08:19,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:19,982 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 [2024-11-23 23:08:20,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-23 23:08:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:08:20,842 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:08:20,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474222424] [2024-11-23 23:08:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474222424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:08:20,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:08:20,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:08:20,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432444262] [2024-11-23 23:08:20,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:20,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:08:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:20,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:08:20,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:08:20,844 INFO L87 Difference]: Start difference. First operand 166 states and 202 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:23,431 INFO L93 Difference]: Finished difference Result 427 states and 524 transitions. [2024-11-23 23:08:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:08:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2024-11-23 23:08:23,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:23,434 INFO L225 Difference]: With dead ends: 427 [2024-11-23 23:08:23,434 INFO L226 Difference]: Without dead ends: 264 [2024-11-23 23:08:23,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:08:23,435 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 166 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:23,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1187 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 23:08:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-23 23:08:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2024-11-23 23:08:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 137 states have (on average 1.1532846715328466) internal successors, (158), 137 states have internal predecessors, (158), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:08:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2024-11-23 23:08:23,461 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 107 [2024-11-23 23:08:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:23,461 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2024-11-23 23:08:23,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:08:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2024-11-23 23:08:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 23:08:23,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:23,463 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:23,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:23,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:23,663 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:23,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:23,663 INFO L85 PathProgramCache]: Analyzing trace with hash -777290415, now seen corresponding path program 1 times [2024-11-23 23:08:23,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:23,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407954944] [2024-11-23 23:08:23,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:23,664 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 [2024-11-23 23:08:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:23,665 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:23,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:23,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:08:23,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:25,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:08:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 130 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-23 23:08:25,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:27,116 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:08:27,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:08:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:08:27,544 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407954944] [2024-11-23 23:08:27,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407954944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:08:27,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:08:27,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-23 23:08:27,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858750257] [2024-11-23 23:08:27,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:08:27,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:08:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:27,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:08:27,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:08:27,546 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:08:29,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:29,136 INFO L93 Difference]: Finished difference Result 333 states and 403 transitions. [2024-11-23 23:08:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:08:29,137 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 111 [2024-11-23 23:08:29,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:29,139 INFO L225 Difference]: With dead ends: 333 [2024-11-23 23:08:29,139 INFO L226 Difference]: Without dead ends: 173 [2024-11-23 23:08:29,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:08:29,140 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 248 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:29,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 453 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:08:29,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-23 23:08:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2024-11-23 23:08:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 137 states have (on average 1.145985401459854) internal successors, (157), 137 states have internal predecessors, (157), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:08:29,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2024-11-23 23:08:29,165 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 111 [2024-11-23 23:08:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:29,165 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2024-11-23 23:08:29,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:08:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2024-11-23 23:08:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 23:08:29,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:29,166 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:29,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:29,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:29,367 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:29,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:29,368 INFO L85 PathProgramCache]: Analyzing trace with hash -438431222, now seen corresponding path program 1 times [2024-11-23 23:08:29,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:29,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950498506] [2024-11-23 23:08:29,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:29,368 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 [2024-11-23 23:08:29,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:29,370 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:29,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:08:29,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:31,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:08:31,632 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 [2024-11-23 23:08:31,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:08:32,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:08:32,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:08:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:08:33,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:34,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:08:34,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:08:34,122 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:34,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:08:35,478 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:08:35,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:08:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:08:36,302 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:36,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950498506] [2024-11-23 23:08:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950498506] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:08:36,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:08:36,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [16] total 23 [2024-11-23 23:08:36,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868248783] [2024-11-23 23:08:36,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:08:36,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-23 23:08:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:36,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-23 23:08:36,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:08:36,304 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:08:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:08:41,615 INFO L93 Difference]: Finished difference Result 503 states and 598 transitions. [2024-11-23 23:08:41,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 23:08:41,616 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-23 23:08:41,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:08:41,618 INFO L225 Difference]: With dead ends: 503 [2024-11-23 23:08:41,618 INFO L226 Difference]: Without dead ends: 343 [2024-11-23 23:08:41,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 201 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 23:08:41,620 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 599 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:08:41,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1274 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 23:08:41,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-23 23:08:41,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 194. [2024-11-23 23:08:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 166 states have (on average 1.108433734939759) internal successors, (184), 166 states have internal predecessors, (184), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:08:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 224 transitions. [2024-11-23 23:08:41,646 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 224 transitions. Word has length 111 [2024-11-23 23:08:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:08:41,646 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 224 transitions. [2024-11-23 23:08:41,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:08:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 224 transitions. [2024-11-23 23:08:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 23:08:41,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:08:41,648 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:08:41,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:41,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:41,848 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:08:41,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:08:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1118489592, now seen corresponding path program 1 times [2024-11-23 23:08:41,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:08:41,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730940267] [2024-11-23 23:08:41,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:08:41,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:08:41,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:08:41,853 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:08:41,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:08:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:08:42,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:08:42,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:08:46,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-23 23:08:46,876 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 [2024-11-23 23:08:47,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:08:47,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:08:48,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:08:48,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:08:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 23:08:48,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:08:50,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:08:50,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:08:50,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:50,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:08:53,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:53,907 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 52 treesize of output 51 [2024-11-23 23:08:55,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:08:55,459 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 27 treesize of output 30 [2024-11-23 23:08:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-23 23:08:56,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:08:56,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730940267] [2024-11-23 23:08:56,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730940267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:08:56,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:08:56,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-11-23 23:08:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421593133] [2024-11-23 23:08:56,890 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:08:56,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-23 23:08:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:08:56,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-23 23:08:56,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 23:08:56,893 INFO L87 Difference]: Start difference. First operand 194 states and 224 transitions. Second operand has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:09:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:15,657 INFO L93 Difference]: Finished difference Result 734 states and 839 transitions. [2024-11-23 23:09:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-23 23:09:15,658 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 111 [2024-11-23 23:09:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:15,662 INFO L225 Difference]: With dead ends: 734 [2024-11-23 23:09:15,662 INFO L226 Difference]: Without dead ends: 543 [2024-11-23 23:09:15,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 16.9s TimeCoverageRelationStatistics Valid=979, Invalid=4873, Unknown=0, NotChecked=0, Total=5852 [2024-11-23 23:09:15,665 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 1204 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:15,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 1626 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2024-11-23 23:09:15,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-23 23:09:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 202. [2024-11-23 23:09:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 172 states have (on average 1.1046511627906976) internal successors, (190), 172 states have internal predecessors, (190), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:09:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2024-11-23 23:09:15,728 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 111 [2024-11-23 23:09:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:15,728 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2024-11-23 23:09:15,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 3.46875) internal successors, (111), 34 states have internal predecessors, (111), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:09:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2024-11-23 23:09:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 23:09:15,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:15,730 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:15,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:15,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:15,930 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:09:15,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:15,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1214391377, now seen corresponding path program 1 times [2024-11-23 23:09:15,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:09:15,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505166993] [2024-11-23 23:09:15,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:15,931 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 [2024-11-23 23:09:15,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:09:15,933 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:09:15,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:16,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:09:16,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:09:18,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:09:18,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:09:18,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:09:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:09:19,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:09:19,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:09:19,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:09:19,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:09:19,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:09:21,134 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:09:21,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:09:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:09:21,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:09:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505166993] [2024-11-23 23:09:21,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505166993] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:09:21,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:09:21,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2024-11-23 23:09:21,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048017547] [2024-11-23 23:09:21,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:09:21,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 23:09:21,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:09:21,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 23:09:21,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:09:21,991 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:09:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:28,991 INFO L93 Difference]: Finished difference Result 588 states and 669 transitions. [2024-11-23 23:09:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-23 23:09:28,992 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 111 [2024-11-23 23:09:28,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:28,994 INFO L225 Difference]: With dead ends: 588 [2024-11-23 23:09:28,994 INFO L226 Difference]: Without dead ends: 389 [2024-11-23 23:09:28,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=350, Invalid=1720, Unknown=0, NotChecked=0, Total=2070 [2024-11-23 23:09:28,997 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 231 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:28,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1820 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-23 23:09:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-23 23:09:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 178. [2024-11-23 23:09:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 148 states have (on average 1.1081081081081081) internal successors, (164), 148 states have internal predecessors, (164), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:09:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 204 transitions. [2024-11-23 23:09:29,045 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 204 transitions. Word has length 111 [2024-11-23 23:09:29,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:29,046 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 204 transitions. [2024-11-23 23:09:29,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.944444444444445) internal successors, (89), 20 states have internal predecessors, (89), 4 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-23 23:09:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 204 transitions. [2024-11-23 23:09:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-23 23:09:29,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:29,047 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:29,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:29,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:29,248 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:09:29,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1824297333, now seen corresponding path program 1 times [2024-11-23 23:09:29,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:09:29,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388860530] [2024-11-23 23:09:29,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:29,249 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 [2024-11-23 23:09:29,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:09:29,251 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:09:29,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:29,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:09:29,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:09:31,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-23 23:09:31,420 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 [2024-11-23 23:09:32,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:09:32,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:09:33,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:09:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:09:33,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:09:35,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:09:35,938 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:09:35,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:09:35,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:09:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:09:36,954 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:09:36,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388860530] [2024-11-23 23:09:36,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388860530] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:09:36,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:09:36,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 24 [2024-11-23 23:09:36,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067952943] [2024-11-23 23:09:36,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:09:36,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:09:36,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:09:36,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:09:36,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:09:36,956 INFO L87 Difference]: Start difference. First operand 178 states and 204 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:09:40,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:09:40,828 INFO L93 Difference]: Finished difference Result 533 states and 612 transitions. [2024-11-23 23:09:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:09:40,829 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-11-23 23:09:40,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:09:40,831 INFO L225 Difference]: With dead ends: 533 [2024-11-23 23:09:40,831 INFO L226 Difference]: Without dead ends: 358 [2024-11-23 23:09:40,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:09:40,834 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 104 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:09:40,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1437 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 23:09:40,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-23 23:09:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2024-11-23 23:09:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 174 states have (on average 1.103448275862069) internal successors, (192), 174 states have internal predecessors, (192), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 23:09:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 232 transitions. [2024-11-23 23:09:40,884 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 232 transitions. Word has length 113 [2024-11-23 23:09:40,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:09:40,884 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 232 transitions. [2024-11-23 23:09:40,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:09:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 232 transitions. [2024-11-23 23:09:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-23 23:09:40,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:09:40,886 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:09:40,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:41,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:41,086 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:09:41,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:09:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1048915452, now seen corresponding path program 1 times [2024-11-23 23:09:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:09:41,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911823439] [2024-11-23 23:09:41,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:09:41,087 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 [2024-11-23 23:09:41,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:09:41,092 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:09:41,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:09:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:09:41,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:09:41,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:09:45,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:09:45,970 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 [2024-11-23 23:09:46,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:09:46,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:09:47,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:09:47,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:09:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 23:09:48,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:09:50,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:09:50,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:09:50,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:09:50,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:09:53,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:09:53,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 51 [2024-11-23 23:09:55,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:09:55,077 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 27 treesize of output 30 [2024-11-23 23:09:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-23 23:09:56,559 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:09:56,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911823439] [2024-11-23 23:09:56,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911823439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:09:56,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:09:56,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-11-23 23:09:56,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428005101] [2024-11-23 23:09:56,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:09:56,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-23 23:09:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:09:56,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-23 23:09:56,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 23:09:56,561 INFO L87 Difference]: Start difference. First operand 204 states and 232 transitions. Second operand has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:10:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:10:17,665 INFO L93 Difference]: Finished difference Result 743 states and 841 transitions. [2024-11-23 23:10:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-23 23:10:17,666 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 113 [2024-11-23 23:10:17,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:10:17,669 INFO L225 Difference]: With dead ends: 743 [2024-11-23 23:10:17,669 INFO L226 Difference]: Without dead ends: 542 [2024-11-23 23:10:17,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=992, Invalid=5170, Unknown=0, NotChecked=0, Total=6162 [2024-11-23 23:10:17,672 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 956 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:10:17,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 2500 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-11-23 23:10:17,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-23 23:10:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 318. [2024-11-23 23:10:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 272 states have (on average 1.1102941176470589) internal successors, (302), 272 states have internal predecessors, (302), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-23 23:10:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 364 transitions. [2024-11-23 23:10:17,753 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 364 transitions. Word has length 113 [2024-11-23 23:10:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:17,754 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 364 transitions. [2024-11-23 23:10:17,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 3.53125) internal successors, (113), 34 states have internal predecessors, (113), 6 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:10:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 364 transitions. [2024-11-23 23:10:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-23 23:10:17,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:17,755 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:17,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:17,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:17,959 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:17,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:17,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1859848450, now seen corresponding path program 1 times [2024-11-23 23:10:17,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:10:17,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207587190] [2024-11-23 23:10:17,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:17,960 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 [2024-11-23 23:10:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:10:17,961 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:10:17,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:18,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:10:18,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:10:21,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:10:21,705 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 12 treesize of output 8 [2024-11-23 23:10:22,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:10:22,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:10:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-23 23:10:22,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:10:24,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:10:24,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:10:24,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:10:24,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:10:27,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:10:27,125 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 48 treesize of output 47 [2024-11-23 23:10:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:10:28,549 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:10:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207587190] [2024-11-23 23:10:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207587190] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:10:28,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:10:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2024-11-23 23:10:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950788857] [2024-11-23 23:10:28,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:10:28,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-23 23:10:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:10:28,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-23 23:10:28,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2024-11-23 23:10:28,551 INFO L87 Difference]: Start difference. First operand 318 states and 364 transitions. Second operand has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:10:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:10:42,316 INFO L93 Difference]: Finished difference Result 1521 states and 1729 transitions. [2024-11-23 23:10:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-23 23:10:42,317 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 113 [2024-11-23 23:10:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:10:42,322 INFO L225 Difference]: With dead ends: 1521 [2024-11-23 23:10:42,322 INFO L226 Difference]: Without dead ends: 1206 [2024-11-23 23:10:42,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=483, Invalid=2487, Unknown=0, NotChecked=0, Total=2970 [2024-11-23 23:10:42,325 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 586 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:10:42,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 3214 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-23 23:10:42,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2024-11-23 23:10:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 517. [2024-11-23 23:10:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 442 states have (on average 1.1063348416289593) internal successors, (489), 442 states have internal predecessors, (489), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:10:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 591 transitions. [2024-11-23 23:10:42,431 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 591 transitions. Word has length 113 [2024-11-23 23:10:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:42,432 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 591 transitions. [2024-11-23 23:10:42,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.0) internal successors, (125), 26 states have internal predecessors, (125), 6 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-23 23:10:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 591 transitions. [2024-11-23 23:10:42,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:10:42,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:42,433 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:42,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:10:42,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:42,634 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:42,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:42,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1293818884, now seen corresponding path program 1 times [2024-11-23 23:10:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:10:42,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32520958] [2024-11-23 23:10:42,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:42,635 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 [2024-11-23 23:10:42,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:10:42,637 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:10:42,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:42,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:10:42,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:10:44,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:10:44,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-23 23:10:45,493 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 33 treesize of output 21 [2024-11-23 23:10:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:10:45,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:10:46,752 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:10:46,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:10:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:10:47,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:10:47,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32520958] [2024-11-23 23:10:47,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32520958] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:10:47,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:10:47,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 13 [2024-11-23 23:10:47,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837400820] [2024-11-23 23:10:47,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:10:47,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:10:47,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:10:47,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:10:47,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:10:47,592 INFO L87 Difference]: Start difference. First operand 517 states and 591 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:10:48,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:10:48,760 INFO L93 Difference]: Finished difference Result 1032 states and 1177 transitions. [2024-11-23 23:10:48,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:10:48,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-11-23 23:10:48,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:10:48,763 INFO L225 Difference]: With dead ends: 1032 [2024-11-23 23:10:48,763 INFO L226 Difference]: Without dead ends: 518 [2024-11-23 23:10:48,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:10:48,765 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 222 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:10:48,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 195 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:10:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-23 23:10:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 484. [2024-11-23 23:10:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 409 states have (on average 1.097799511002445) internal successors, (449), 409 states have internal predecessors, (449), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:10:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 551 transitions. [2024-11-23 23:10:48,912 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 551 transitions. Word has length 115 [2024-11-23 23:10:48,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:48,913 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 551 transitions. [2024-11-23 23:10:48,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:10:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 551 transitions. [2024-11-23 23:10:48,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:10:48,914 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:48,914 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:48,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:10:49,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:49,115 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:49,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:49,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1630810792, now seen corresponding path program 1 times [2024-11-23 23:10:49,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:10:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170809053] [2024-11-23 23:10:49,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:49,116 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 [2024-11-23 23:10:49,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:10:49,117 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:10:49,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:49,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 23:10:49,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:10:51,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:10:51,428 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 [2024-11-23 23:10:52,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2024-11-23 23:10:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:10:52,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:10:54,952 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:10:54,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:10:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:10:55,774 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:10:55,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170809053] [2024-11-23 23:10:55,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170809053] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:10:55,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:10:55,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 21 [2024-11-23 23:10:55,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351768371] [2024-11-23 23:10:55,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:10:55,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:10:55,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:10:55,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:10:55,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:10:55,776 INFO L87 Difference]: Start difference. First operand 484 states and 551 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:10:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:10:58,088 INFO L93 Difference]: Finished difference Result 508 states and 577 transitions. [2024-11-23 23:10:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:10:58,089 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-11-23 23:10:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:10:58,090 INFO L225 Difference]: With dead ends: 508 [2024-11-23 23:10:58,090 INFO L226 Difference]: Without dead ends: 506 [2024-11-23 23:10:58,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=158, Invalid=772, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:10:58,091 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 459 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:10:58,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 556 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:10:58,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-23 23:10:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2024-11-23 23:10:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 421 states have (on average 1.0950118764845607) internal successors, (461), 421 states have internal predecessors, (461), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:10:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 563 transitions. [2024-11-23 23:10:58,223 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 563 transitions. Word has length 115 [2024-11-23 23:10:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:10:58,224 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 563 transitions. [2024-11-23 23:10:58,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:10:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 563 transitions. [2024-11-23 23:10:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:10:58,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:10:58,225 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:10:58,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:58,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:58,426 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:10:58,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:10:58,426 INFO L85 PathProgramCache]: Analyzing trace with hash 208504481, now seen corresponding path program 1 times [2024-11-23 23:10:58,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:10:58,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970441144] [2024-11-23 23:10:58,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:10:58,427 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 [2024-11-23 23:10:58,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:10:58,429 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:10:58,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:10:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:10:58,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 23:10:58,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:00,655 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 [2024-11-23 23:11:01,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-23 23:11:01,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-11-23 23:11:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:11:02,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:11:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:11:03,420 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:11:03,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970441144] [2024-11-23 23:11:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970441144] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:11:03,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:11:03,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 18 [2024-11-23 23:11:03,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935385738] [2024-11-23 23:11:03,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:11:03,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:11:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:11:03,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:11:03,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:11:03,422 INFO L87 Difference]: Start difference. First operand 496 states and 563 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:11:04,745 INFO L93 Difference]: Finished difference Result 796 states and 903 transitions. [2024-11-23 23:11:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:11:04,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-23 23:11:04,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:11:04,749 INFO L225 Difference]: With dead ends: 796 [2024-11-23 23:11:04,750 INFO L226 Difference]: Without dead ends: 794 [2024-11-23 23:11:04,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:11:04,751 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 60 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:11:04,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 693 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:11:04,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-23 23:11:04,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 583. [2024-11-23 23:11:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 508 states have (on average 1.0984251968503937) internal successors, (558), 508 states have internal predecessors, (558), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:11:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 660 transitions. [2024-11-23 23:11:04,902 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 660 transitions. Word has length 115 [2024-11-23 23:11:04,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:11:04,903 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 660 transitions. [2024-11-23 23:11:04,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 660 transitions. [2024-11-23 23:11:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:11:04,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:11:04,904 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:11:04,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:11:05,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:05,105 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:11:05,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:11:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash 136117923, now seen corresponding path program 1 times [2024-11-23 23:11:05,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:11:05,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525801543] [2024-11-23 23:11:05,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:05,106 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:11:05,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:11:05,107 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:11:05,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:05,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:11:05,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:05,821 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 21 treesize of output 13 [2024-11-23 23:11:05,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:11:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 23:11:05,915 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:11:05,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:11:05,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525801543] [2024-11-23 23:11:05,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525801543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:11:05,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:11:05,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:11:05,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552960875] [2024-11-23 23:11:05,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:11:05,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:11:05,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:11:05,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:11:05,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:11:05,917 INFO L87 Difference]: Start difference. First operand 583 states and 660 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:11:06,838 INFO L93 Difference]: Finished difference Result 1500 states and 1699 transitions. [2024-11-23 23:11:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:11:06,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-23 23:11:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:11:06,841 INFO L225 Difference]: With dead ends: 1500 [2024-11-23 23:11:06,841 INFO L226 Difference]: Without dead ends: 920 [2024-11-23 23:11:06,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:11:06,843 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 68 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:11:06,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 611 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:11:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2024-11-23 23:11:06,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 671. [2024-11-23 23:11:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 596 states have (on average 1.1023489932885906) internal successors, (657), 596 states have internal predecessors, (657), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:11:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 759 transitions. [2024-11-23 23:11:06,965 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 759 transitions. Word has length 115 [2024-11-23 23:11:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:11:06,965 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 759 transitions. [2024-11-23 23:11:06,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 23:11:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 759 transitions. [2024-11-23 23:11:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:11:06,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:11:06,967 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:11:06,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:07,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:07,167 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:11:07,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:11:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1022207004, now seen corresponding path program 1 times [2024-11-23 23:11:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:11:07,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370281673] [2024-11-23 23:11:07,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:07,168 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 [2024-11-23 23:11:07,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:11:07,170 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:11:07,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:07,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 23:11:07,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:09,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:11:10,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2024-11-23 23:11:10,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-11-23 23:11:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 23:11:10,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:11:12,880 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-23 23:11:12,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-23 23:11:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 23:11:13,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:11:13,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370281673] [2024-11-23 23:11:13,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370281673] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:11:13,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:11:13,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 21 [2024-11-23 23:11:13,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264827607] [2024-11-23 23:11:13,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:11:13,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:11:13,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:11:13,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:11:13,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:11:13,801 INFO L87 Difference]: Start difference. First operand 671 states and 759 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:11:17,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:11:17,268 INFO L93 Difference]: Finished difference Result 909 states and 1023 transitions. [2024-11-23 23:11:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:11:17,269 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-11-23 23:11:17,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:11:17,271 INFO L225 Difference]: With dead ends: 909 [2024-11-23 23:11:17,271 INFO L226 Difference]: Without dead ends: 907 [2024-11-23 23:11:17,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=227, Invalid=1033, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 23:11:17,272 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 710 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:11:17,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 650 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 23:11:17,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-23 23:11:17,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 603. [2024-11-23 23:11:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 528 states have (on average 1.0946969696969697) internal successors, (578), 528 states have internal predecessors, (578), 51 states have call successors, (51), 23 states have call predecessors, (51), 23 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-23 23:11:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 680 transitions. [2024-11-23 23:11:17,410 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 680 transitions. Word has length 115 [2024-11-23 23:11:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:11:17,411 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 680 transitions. [2024-11-23 23:11:17,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 13 states have internal predecessors, (66), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:11:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 680 transitions. [2024-11-23 23:11:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-23 23:11:17,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:11:17,413 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:11:17,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:17,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:17,614 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:11:17,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:11:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1324098894, now seen corresponding path program 1 times [2024-11-23 23:11:17,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:11:17,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548487003] [2024-11-23 23:11:17,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:11:17,615 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 [2024-11-23 23:11:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:11:17,616 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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) [2024-11-23 23:11:17,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:11:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:11:18,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 23:11:18,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:11:22,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-23 23:11:22,582 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 [2024-11-23 23:11:28,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:11:29,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-23 23:11:29,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 [2024-11-23 23:11:30,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-23 23:11:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 13 proven. 672 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-23 23:11:30,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:11:33,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 22 [2024-11-23 23:11:33,323 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:11:33,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:11:33,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2024-11-23 23:11:36,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:11:36,270 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 48 treesize of output 47 [2024-11-23 23:11:40,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:11:40,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2024-11-23 23:11:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 87 proven. 93 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-23 23:11:42,182 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:11:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548487003] [2024-11-23 23:11:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548487003] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:11:42,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:11:42,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 36 [2024-11-23 23:11:42,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609063688] [2024-11-23 23:11:42,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:11:42,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-23 23:11:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:11:42,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-23 23:11:42,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 23:11:42,185 INFO L87 Difference]: Start difference. First operand 603 states and 680 transitions. Second operand has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) [2024-11-23 23:12:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:03,205 INFO L93 Difference]: Finished difference Result 1452 states and 1629 transitions. [2024-11-23 23:12:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-23 23:12:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) Word has length 225 [2024-11-23 23:12:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:03,207 INFO L225 Difference]: With dead ends: 1452 [2024-11-23 23:12:03,207 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:12:03,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=1004, Invalid=4696, Unknown=0, NotChecked=0, Total=5700 [2024-11-23 23:12:03,210 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 405 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:03,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 2567 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-23 23:12:03,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:12:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:12:03,211 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) [2024-11-23 23:12:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:12:03,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2024-11-23 23:12:03,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:03,212 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:12:03,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 6.9375) internal successors, (222), 34 states have internal predecessors, (222), 9 states have call successors, (44), 6 states have call predecessors, (44), 8 states have return successors, (44), 6 states have call predecessors, (44), 9 states have call successors, (44) [2024-11-23 23:12:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:12:03,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:12:03,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:12:03,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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)] Ended with exit code 0 [2024-11-23 23:12:03,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a3a5c34-b8b2-41ec-8e25-e146e1a80f90/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 [2024-11-23 23:12:03,419 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] [2024-11-23 23:12:03,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:13:27,704 WARN L286 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 262 DAG size of output: 278 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)