./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1 --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 1b5fc557e9eca50427a2e44f543168d77b97544575eea34c071efc5d55e33518 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:05:17,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:05:17,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:05:17,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:05:17,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:05:17,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:05:17,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:05:17,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:05:17,182 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:05:17,182 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:05:17,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:05:17,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:05:17,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:05:17,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:05:17,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:05:17,184 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:05:17,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:05:17,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:05:17,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:05:17,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:05:17,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:05:17,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:05:17,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:05:17,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:05:17,186 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_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1 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 -> 1b5fc557e9eca50427a2e44f543168d77b97544575eea34c071efc5d55e33518 [2024-12-02 06:05:17,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:05:17,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:05:17,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:05:17,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:05:17,387 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:05:17,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:05:19,988 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a28006233/de59dfc2ce9b4457aec38d21af1b7af9/FLAG25c4c458d [2024-12-02 06:05:20,229 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:05:20,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:05:20,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a28006233/de59dfc2ce9b4457aec38d21af1b7af9/FLAG25c4c458d [2024-12-02 06:05:20,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a28006233/de59dfc2ce9b4457aec38d21af1b7af9 [2024-12-02 06:05:20,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:05:20,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:05:20,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:05:20,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:05:20,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:05:20,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ca7869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20, skipping insertion in model container [2024-12-02 06:05:20,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:05:20,712 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_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i[916,929] [2024-12-02 06:05:20,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:05:20,778 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:05:20,786 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_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i[916,929] [2024-12-02 06:05:20,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:05:20,839 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:05:20,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20 WrapperNode [2024-12-02 06:05:20,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:05:20,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:05:20,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:05:20,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:05:20,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,890 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 490 [2024-12-02 06:05:20,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:05:20,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:05:20,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:05:20,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:05:20,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,915 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 45, 20, 39, 27]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 6, 2, 5, 2]. The 18 writes are split as follows [0, 9, 2, 5, 2]. [2024-12-02 06:05:20,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:05:20,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:05:20,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:05:20,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:05:20,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (1/1) ... [2024-12-02 06:05:20,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:05:20,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:20,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:05:20,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:05:21,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 06:05:21,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:05:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:05:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:05:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:05:21,126 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:05:21,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:05:21,560 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-02 06:05:21,561 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:05:21,572 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:05:21,572 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:05:21,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:21 BoogieIcfgContainer [2024-12-02 06:05:21,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:05:21,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:05:21,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:05:21,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:05:21,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:05:20" (1/3) ... [2024-12-02 06:05:21,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f6e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:21, skipping insertion in model container [2024-12-02 06:05:21,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:05:20" (2/3) ... [2024-12-02 06:05:21,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f6e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:21, skipping insertion in model container [2024-12-02 06:05:21,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:21" (3/3) ... [2024-12-02 06:05:21,581 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:05:21,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:05:21,597 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-53.i that has 2 procedures, 112 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:05:21,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:05:21,654 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;@31ab7064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:05:21,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:05:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:05:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:05:21,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:21,666 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:21,667 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:21,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:21,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1255670194, now seen corresponding path program 1 times [2024-12-02 06:05:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:21,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577201560] [2024-12-02 06:05:21,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:21,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 06:05:21,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:21,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577201560] [2024-12-02 06:05:21,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577201560] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:21,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251391494] [2024-12-02 06:05:21,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:21,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:21,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:05:21,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:05:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:22,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:05:22,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 06:05:22,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:22,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251391494] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:22,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:22,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:05:22,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071887641] [2024-12-02 06:05:22,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:22,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:05:22,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:22,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:05:22,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:05:22,208 INFO L87 Difference]: Start difference. First operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:22,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:22,231 INFO L93 Difference]: Finished difference Result 217 states and 340 transitions. [2024-12-02 06:05:22,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:05:22,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-12-02 06:05:22,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:22,238 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:05:22,238 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 06:05:22,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:05:22,244 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-12-02 06:05:22,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:05:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 06:05:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-12-02 06:05:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:05:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-12-02 06:05:22,298 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 140 [2024-12-02 06:05:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:22,298 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-12-02 06:05:22,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-12-02 06:05:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:05:22,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:22,302 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:22,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:05:22,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:05:22,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:22,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -674029138, now seen corresponding path program 1 times [2024-12-02 06:05:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390964718] [2024-12-02 06:05:22,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:22,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:22,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390964718] [2024-12-02 06:05:22,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390964718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:22,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:22,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:05:22,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763457025] [2024-12-02 06:05:22,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:22,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:05:22,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:22,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:05:22,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:05:22,962 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:23,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:23,018 INFO L93 Difference]: Finished difference Result 213 states and 307 transitions. [2024-12-02 06:05:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:05:23,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 140 [2024-12-02 06:05:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:23,021 INFO L225 Difference]: With dead ends: 213 [2024-12-02 06:05:23,021 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 06:05:23,022 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 [2024-12-02 06:05:23,022 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:23,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 289 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:05:23,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 06:05:23,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-12-02 06:05:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:05:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-12-02 06:05:23,034 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 140 [2024-12-02 06:05:23,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:23,036 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-12-02 06:05:23,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-12-02 06:05:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:05:23,038 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:23,038 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:23,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:05:23,039 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:23,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:23,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1695097492, now seen corresponding path program 1 times [2024-12-02 06:05:23,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:23,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307019033] [2024-12-02 06:05:23,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:23,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:24,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:24,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307019033] [2024-12-02 06:05:24,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307019033] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:24,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:24,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:05:24,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700732075] [2024-12-02 06:05:24,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:24,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:05:24,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:24,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:05:24,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:05:24,772 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:24,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:24,971 INFO L93 Difference]: Finished difference Result 215 states and 308 transitions. [2024-12-02 06:05:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:05:24,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-12-02 06:05:24,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:24,974 INFO L225 Difference]: With dead ends: 215 [2024-12-02 06:05:24,974 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:05:24,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:05:24,975 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 68 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:24,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 572 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:05:24,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:05:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 06:05:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:05:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2024-12-02 06:05:24,985 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 140 [2024-12-02 06:05:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:24,986 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2024-12-02 06:05:24,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2024-12-02 06:05:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:05:24,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:24,988 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:24,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:05:24,988 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:24,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:24,989 INFO L85 PathProgramCache]: Analyzing trace with hash -994032914, now seen corresponding path program 1 times [2024-12-02 06:05:24,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:24,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448811172] [2024-12-02 06:05:24,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:24,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:27,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:27,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448811172] [2024-12-02 06:05:27,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448811172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:27,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:27,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:05:27,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456903085] [2024-12-02 06:05:27,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:27,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:05:27,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:27,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:05:27,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:05:27,168 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 11 states, 8 states have (on average 6.625) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 06:05:27,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:27,920 INFO L93 Difference]: Finished difference Result 362 states and 516 transitions. [2024-12-02 06:05:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:05:27,920 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 140 [2024-12-02 06:05:27,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:27,923 INFO L225 Difference]: With dead ends: 362 [2024-12-02 06:05:27,923 INFO L226 Difference]: Without dead ends: 255 [2024-12-02 06:05:27,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:05:27,924 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 234 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:27,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1187 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:05:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-12-02 06:05:27,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 250. [2024-12-02 06:05:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 198 states have (on average 1.3232323232323233) internal successors, (262), 199 states have internal predecessors, (262), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 06:05:27,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 358 transitions. [2024-12-02 06:05:27,958 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 358 transitions. Word has length 140 [2024-12-02 06:05:27,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:27,958 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 358 transitions. [2024-12-02 06:05:27,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 06:05:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 358 transitions. [2024-12-02 06:05:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 06:05:27,961 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:27,961 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:27,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:05:27,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:27,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash 847661109, now seen corresponding path program 1 times [2024-12-02 06:05:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:27,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774357802] [2024-12-02 06:05:27,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:29,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:29,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774357802] [2024-12-02 06:05:29,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774357802] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:29,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:29,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:05:29,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455284366] [2024-12-02 06:05:29,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:29,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:05:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:29,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:05:29,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:05:29,314 INFO L87 Difference]: Start difference. First operand 250 states and 358 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:29,836 INFO L93 Difference]: Finished difference Result 360 states and 512 transitions. [2024-12-02 06:05:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:05:29,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2024-12-02 06:05:29,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:29,839 INFO L225 Difference]: With dead ends: 360 [2024-12-02 06:05:29,839 INFO L226 Difference]: Without dead ends: 253 [2024-12-02 06:05:29,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:05:29,841 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 253 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:29,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 961 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:05:29,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-12-02 06:05:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 252. [2024-12-02 06:05:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 199 states have (on average 1.3115577889447236) internal successors, (261), 200 states have internal predecessors, (261), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 06:05:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2024-12-02 06:05:29,879 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 142 [2024-12-02 06:05:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:29,879 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2024-12-02 06:05:29,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2024-12-02 06:05:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 06:05:29,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:29,881 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:29,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:05:29,882 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:29,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:29,882 INFO L85 PathProgramCache]: Analyzing trace with hash 59473210, now seen corresponding path program 1 times [2024-12-02 06:05:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:29,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985544087] [2024-12-02 06:05:29,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:29,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:30,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:30,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985544087] [2024-12-02 06:05:30,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985544087] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:30,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:30,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:05:30,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284296357] [2024-12-02 06:05:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:30,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:05:30,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:30,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:05:30,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:05:30,103 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:30,169 INFO L93 Difference]: Finished difference Result 466 states and 658 transitions. [2024-12-02 06:05:30,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:05:30,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-12-02 06:05:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:30,173 INFO L225 Difference]: With dead ends: 466 [2024-12-02 06:05:30,173 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 06:05:30,174 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 [2024-12-02 06:05:30,175 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:30,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:05:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 06:05:30,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-12-02 06:05:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 199 states have (on average 1.3015075376884422) internal successors, (259), 200 states have internal predecessors, (259), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 06:05:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 355 transitions. [2024-12-02 06:05:30,215 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 355 transitions. Word has length 145 [2024-12-02 06:05:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:30,216 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 355 transitions. [2024-12-02 06:05:30,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 355 transitions. [2024-12-02 06:05:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 06:05:30,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:30,218 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:30,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:05:30,219 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:30,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:30,219 INFO L85 PathProgramCache]: Analyzing trace with hash -527332804, now seen corresponding path program 1 times [2024-12-02 06:05:30,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:30,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599585027] [2024-12-02 06:05:30,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:30,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599585027] [2024-12-02 06:05:31,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599585027] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:31,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:31,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:05:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132877206] [2024-12-02 06:05:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:31,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:05:31,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:31,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:05:31,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:05:31,415 INFO L87 Difference]: Start difference. First operand 252 states and 355 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:05:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:31,705 INFO L93 Difference]: Finished difference Result 560 states and 775 transitions. [2024-12-02 06:05:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:05:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 145 [2024-12-02 06:05:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:31,708 INFO L225 Difference]: With dead ends: 560 [2024-12-02 06:05:31,708 INFO L226 Difference]: Without dead ends: 346 [2024-12-02 06:05:31,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:05:31,709 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 51 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:31,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1009 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:05:31,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-12-02 06:05:31,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 342. [2024-12-02 06:05:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 283 states have (on average 1.2968197879858658) internal successors, (367), 286 states have internal predecessors, (367), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 06:05:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 471 transitions. [2024-12-02 06:05:31,751 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 471 transitions. Word has length 145 [2024-12-02 06:05:31,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:31,751 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 471 transitions. [2024-12-02 06:05:31,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 8 states have internal predecessors, (58), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:05:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 471 transitions. [2024-12-02 06:05:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 06:05:31,753 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:31,754 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:31,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:05:31,754 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:31,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1554842476, now seen corresponding path program 1 times [2024-12-02 06:05:31,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:31,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909528169] [2024-12-02 06:05:31,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:32,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909528169] [2024-12-02 06:05:32,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909528169] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:32,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:32,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:05:32,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831839438] [2024-12-02 06:05:32,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:32,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:05:32,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:32,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:05:32,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:05:32,551 INFO L87 Difference]: Start difference. First operand 342 states and 471 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:33,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:33,125 INFO L93 Difference]: Finished difference Result 736 states and 1008 transitions. [2024-12-02 06:05:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:05:33,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-12-02 06:05:33,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:33,129 INFO L225 Difference]: With dead ends: 736 [2024-12-02 06:05:33,129 INFO L226 Difference]: Without dead ends: 432 [2024-12-02 06:05:33,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:05:33,130 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 242 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:33,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 914 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:05:33,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-12-02 06:05:33,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 321. [2024-12-02 06:05:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 274 states have (on average 1.3065693430656935) internal successors, (358), 276 states have internal predecessors, (358), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 06:05:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 438 transitions. [2024-12-02 06:05:33,168 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 438 transitions. Word has length 146 [2024-12-02 06:05:33,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:33,168 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 438 transitions. [2024-12-02 06:05:33,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 438 transitions. [2024-12-02 06:05:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 06:05:33,170 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:33,170 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:33,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:05:33,171 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:33,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:33,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2039060242, now seen corresponding path program 1 times [2024-12-02 06:05:33,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:33,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679911568] [2024-12-02 06:05:33,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:33,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:33,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:33,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679911568] [2024-12-02 06:05:33,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679911568] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:33,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:33,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:05:33,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745641362] [2024-12-02 06:05:33,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:33,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:05:33,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:33,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:05:33,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:05:33,700 INFO L87 Difference]: Start difference. First operand 321 states and 438 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:33,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:33,937 INFO L93 Difference]: Finished difference Result 875 states and 1195 transitions. [2024-12-02 06:05:33,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:05:33,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-12-02 06:05:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:33,941 INFO L225 Difference]: With dead ends: 875 [2024-12-02 06:05:33,941 INFO L226 Difference]: Without dead ends: 557 [2024-12-02 06:05:33,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:05:33,943 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 105 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:33,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 670 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:05:33,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-12-02 06:05:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 348. [2024-12-02 06:05:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 301 states have (on average 1.2923588039867109) internal successors, (389), 303 states have internal predecessors, (389), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 06:05:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 469 transitions. [2024-12-02 06:05:33,990 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 469 transitions. Word has length 146 [2024-12-02 06:05:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:33,990 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 469 transitions. [2024-12-02 06:05:33,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 469 transitions. [2024-12-02 06:05:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 06:05:33,992 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:33,992 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:33,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:05:33,993 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:33,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:33,993 INFO L85 PathProgramCache]: Analyzing trace with hash 737194026, now seen corresponding path program 1 times [2024-12-02 06:05:33,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922162346] [2024-12-02 06:05:33,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:34,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922162346] [2024-12-02 06:05:34,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922162346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:34,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:34,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:05:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364140779] [2024-12-02 06:05:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:34,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:05:34,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:34,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:05:34,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:05:34,573 INFO L87 Difference]: Start difference. First operand 348 states and 469 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:34,866 INFO L93 Difference]: Finished difference Result 902 states and 1222 transitions. [2024-12-02 06:05:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:05:34,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-12-02 06:05:34,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:34,870 INFO L225 Difference]: With dead ends: 902 [2024-12-02 06:05:34,870 INFO L226 Difference]: Without dead ends: 557 [2024-12-02 06:05:34,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:05:34,872 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 103 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:34,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1041 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:05:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-12-02 06:05:34,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 348. [2024-12-02 06:05:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 301 states have (on average 1.2790697674418605) internal successors, (385), 303 states have internal predecessors, (385), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 06:05:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 465 transitions. [2024-12-02 06:05:34,923 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 465 transitions. Word has length 146 [2024-12-02 06:05:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:34,924 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 465 transitions. [2024-12-02 06:05:34,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 465 transitions. [2024-12-02 06:05:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 06:05:34,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:34,926 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:34,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:05:34,926 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:34,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:34,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1438258604, now seen corresponding path program 1 times [2024-12-02 06:05:34,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:34,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070907532] [2024-12-02 06:05:34,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:35,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:35,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070907532] [2024-12-02 06:05:35,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070907532] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:35,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:35,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:05:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173013464] [2024-12-02 06:05:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:35,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:05:35,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:35,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:05:35,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:05:35,815 INFO L87 Difference]: Start difference. First operand 348 states and 465 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:36,438 INFO L93 Difference]: Finished difference Result 772 states and 1032 transitions. [2024-12-02 06:05:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:05:36,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2024-12-02 06:05:36,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:36,441 INFO L225 Difference]: With dead ends: 772 [2024-12-02 06:05:36,442 INFO L226 Difference]: Without dead ends: 427 [2024-12-02 06:05:36,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:05:36,443 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 204 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:36,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1177 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:05:36,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-12-02 06:05:36,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 420. [2024-12-02 06:05:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 357 states have (on average 1.2773109243697478) internal successors, (456), 360 states have internal predecessors, (456), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 06:05:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 564 transitions. [2024-12-02 06:05:36,496 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 564 transitions. Word has length 146 [2024-12-02 06:05:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:36,497 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 564 transitions. [2024-12-02 06:05:36,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:05:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2024-12-02 06:05:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 06:05:36,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:36,499 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:36,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:05:36,499 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:36,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:36,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1779057358, now seen corresponding path program 1 times [2024-12-02 06:05:36,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:36,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818012646] [2024-12-02 06:05:36,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:36,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:05:36,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:36,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818012646] [2024-12-02 06:05:36,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818012646] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:36,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458483424] [2024-12-02 06:05:36,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:36,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:05:36,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:05:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:36,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:05:36,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:36,938 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:36,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458483424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:36,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:36,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 06:05:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368750226] [2024-12-02 06:05:36,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:36,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:05:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:36,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:05:36,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:05:36,939 INFO L87 Difference]: Start difference. First operand 420 states and 564 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:37,012 INFO L93 Difference]: Finished difference Result 852 states and 1145 transitions. [2024-12-02 06:05:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:05:37,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 06:05:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:37,016 INFO L225 Difference]: With dead ends: 852 [2024-12-02 06:05:37,016 INFO L226 Difference]: Without dead ends: 435 [2024-12-02 06:05:37,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:05:37,017 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:37,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 576 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:05:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-12-02 06:05:37,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-12-02 06:05:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 372 states have (on average 1.2661290322580645) internal successors, (471), 375 states have internal predecessors, (471), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 06:05:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 579 transitions. [2024-12-02 06:05:37,069 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 579 transitions. Word has length 147 [2024-12-02 06:05:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:37,070 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 579 transitions. [2024-12-02 06:05:37,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 579 transitions. [2024-12-02 06:05:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 06:05:37,072 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:37,072 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:37,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:05:37,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:37,273 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:37,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:37,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1454574440, now seen corresponding path program 1 times [2024-12-02 06:05:37,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:37,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839427800] [2024-12-02 06:05:37,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:05:37,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:37,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839427800] [2024-12-02 06:05:37,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839427800] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:37,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748190311] [2024-12-02 06:05:37,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:37,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:37,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:05:37,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:05:37,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:05:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:37,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:05:37,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:05:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:37,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:05:37,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748190311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:37,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:05:37,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 06:05:37,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768400649] [2024-12-02 06:05:37,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:37,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:05:37,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:37,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:05:37,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:05:37,720 INFO L87 Difference]: Start difference. First operand 435 states and 579 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:37,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:05:37,793 INFO L93 Difference]: Finished difference Result 887 states and 1180 transitions. [2024-12-02 06:05:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:05:37,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-12-02 06:05:37,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:05:37,796 INFO L225 Difference]: With dead ends: 887 [2024-12-02 06:05:37,797 INFO L226 Difference]: Without dead ends: 455 [2024-12-02 06:05:37,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:05:37,798 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:05:37,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 725 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:05:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-12-02 06:05:37,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 449. [2024-12-02 06:05:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 386 states have (on average 1.2564766839378239) internal successors, (485), 389 states have internal predecessors, (485), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 06:05:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 593 transitions. [2024-12-02 06:05:37,844 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 593 transitions. Word has length 147 [2024-12-02 06:05:37,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:05:37,845 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 593 transitions. [2024-12-02 06:05:37,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:05:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 593 transitions. [2024-12-02 06:05:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:05:37,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:05:37,847 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:05:37,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:05:38,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:05:38,048 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:05:38,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:05:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 150321011, now seen corresponding path program 1 times [2024-12-02 06:05:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:05:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930348127] [2024-12-02 06:05:38,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:05:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:05:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:05:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:05:48,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:05:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930348127] [2024-12-02 06:05:48,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930348127] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:05:48,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:05:48,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 06:05:48,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667971012] [2024-12-02 06:05:48,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:05:48,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:05:48,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:05:48,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:05:48,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:05:48,272 INFO L87 Difference]: Start difference. First operand 449 states and 593 transitions. Second operand has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:05:57,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:00,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:02,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:05,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:13,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:15,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:19,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:22,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:25,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:29,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:34,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:36,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:37,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:41,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:42,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:46,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:06:50,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:07:00,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:07:04,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:07:21,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:07:22,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:22,809 INFO L93 Difference]: Finished difference Result 914 states and 1212 transitions. [2024-12-02 06:07:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 06:07:22,810 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-12-02 06:07:22,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:22,813 INFO L225 Difference]: With dead ends: 914 [2024-12-02 06:07:22,813 INFO L226 Difference]: Without dead ends: 729 [2024-12-02 06:07:22,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 26.0s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:07:22,814 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 525 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 158 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:22,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 2160 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 954 Invalid, 7 Unknown, 0 Unchecked, 73.0s Time] [2024-12-02 06:07:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-12-02 06:07:22,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 471. [2024-12-02 06:07:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 408 states have (on average 1.2622549019607843) internal successors, (515), 411 states have internal predecessors, (515), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 51 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 06:07:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 623 transitions. [2024-12-02 06:07:22,864 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 623 transitions. Word has length 148 [2024-12-02 06:07:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:22,865 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 623 transitions. [2024-12-02 06:07:22,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:07:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 623 transitions. [2024-12-02 06:07:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:07:22,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:22,866 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:22,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:07:22,866 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:22,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:22,867 INFO L85 PathProgramCache]: Analyzing trace with hash 33737139, now seen corresponding path program 1 times [2024-12-02 06:07:22,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:22,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134131914] [2024-12-02 06:07:22,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:07:23,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:23,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134131914] [2024-12-02 06:07:23,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134131914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:23,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:07:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904040761] [2024-12-02 06:07:23,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:23,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:07:23,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:23,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:07:23,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:07:23,773 INFO L87 Difference]: Start difference. First operand 471 states and 623 transitions. Second operand has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:07:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:24,525 INFO L93 Difference]: Finished difference Result 762 states and 1008 transitions. [2024-12-02 06:07:24,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:07:24,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2024-12-02 06:07:24,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:24,528 INFO L225 Difference]: With dead ends: 762 [2024-12-02 06:07:24,528 INFO L226 Difference]: Without dead ends: 555 [2024-12-02 06:07:24,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:07:24,529 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 110 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:24,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 1275 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:07:24,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-12-02 06:07:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 551. [2024-12-02 06:07:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 472 states have (on average 1.2605932203389831) internal successors, (595), 476 states have internal predecessors, (595), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 64 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 06:07:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 731 transitions. [2024-12-02 06:07:24,624 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 731 transitions. Word has length 148 [2024-12-02 06:07:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:24,625 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 731 transitions. [2024-12-02 06:07:24,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:07:24,625 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 731 transitions. [2024-12-02 06:07:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:07:24,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:24,626 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:24,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:07:24,626 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:24,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:24,627 INFO L85 PathProgramCache]: Analyzing trace with hash -594796267, now seen corresponding path program 1 times [2024-12-02 06:07:24,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:24,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642956315] [2024-12-02 06:07:24,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:24,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:07:25,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:25,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642956315] [2024-12-02 06:07:25,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642956315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:25,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:25,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:07:25,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738085142] [2024-12-02 06:07:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:25,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:07:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:25,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:07:25,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:07:25,438 INFO L87 Difference]: Start difference. First operand 551 states and 731 transitions. Second operand has 9 states, 6 states have (on average 10.333333333333334) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 06:07:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:25,860 INFO L93 Difference]: Finished difference Result 1317 states and 1751 transitions. [2024-12-02 06:07:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:07:25,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 10.333333333333334) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) Word has length 149 [2024-12-02 06:07:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:25,864 INFO L225 Difference]: With dead ends: 1317 [2024-12-02 06:07:25,864 INFO L226 Difference]: Without dead ends: 769 [2024-12-02 06:07:25,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:07:25,866 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 92 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:25,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1152 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:07:25,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-12-02 06:07:25,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 764. [2024-12-02 06:07:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 654 states have (on average 1.261467889908257) internal successors, (825), 662 states have internal predecessors, (825), 94 states have call successors, (94), 15 states have call predecessors, (94), 15 states have return successors, (94), 86 states have call predecessors, (94), 94 states have call successors, (94) [2024-12-02 06:07:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1013 transitions. [2024-12-02 06:07:26,002 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1013 transitions. Word has length 149 [2024-12-02 06:07:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:26,002 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1013 transitions. [2024-12-02 06:07:26,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 10.333333333333334) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 4 states have call successors, (18) [2024-12-02 06:07:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1013 transitions. [2024-12-02 06:07:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:07:26,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:26,004 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:26,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:07:26,004 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:26,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:26,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1473142871, now seen corresponding path program 1 times [2024-12-02 06:07:26,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:26,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922915174] [2024-12-02 06:07:26,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:26,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:07:27,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:27,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922915174] [2024-12-02 06:07:27,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922915174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:27,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:07:27,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:07:27,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535546899] [2024-12-02 06:07:27,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:27,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:07:27,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:27,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:07:27,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:07:27,341 INFO L87 Difference]: Start difference. First operand 764 states and 1013 transitions. Second operand has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:07:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:27,786 INFO L93 Difference]: Finished difference Result 1302 states and 1688 transitions. [2024-12-02 06:07:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:07:27,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2024-12-02 06:07:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:27,791 INFO L225 Difference]: With dead ends: 1302 [2024-12-02 06:07:27,791 INFO L226 Difference]: Without dead ends: 1300 [2024-12-02 06:07:27,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:07:27,792 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 53 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:27,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1041 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:07:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2024-12-02 06:07:27,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1115. [2024-12-02 06:07:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 996 states have (on average 1.2590361445783131) internal successors, (1254), 1007 states have internal predecessors, (1254), 100 states have call successors, (100), 18 states have call predecessors, (100), 18 states have return successors, (100), 89 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 06:07:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1454 transitions. [2024-12-02 06:07:27,932 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1454 transitions. Word has length 149 [2024-12-02 06:07:27,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:27,933 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1454 transitions. [2024-12-02 06:07:27,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:07:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1454 transitions. [2024-12-02 06:07:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:07:27,934 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:27,935 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:27,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:07:27,935 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1374666179, now seen corresponding path program 1 times [2024-12-02 06:07:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486314882] [2024-12-02 06:07:27,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:28,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:28,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486314882] [2024-12-02 06:07:28,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486314882] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:28,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541006332] [2024-12-02 06:07:28,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:28,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:28,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:28,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:28,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:07:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:28,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:07:28,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:07:28,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:07:28,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541006332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:07:28,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:07:28,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-12-02 06:07:28,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078949554] [2024-12-02 06:07:28,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:07:28,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:07:28,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:28,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:07:28,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:07:28,378 INFO L87 Difference]: Start difference. First operand 1115 states and 1454 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:07:28,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:28,613 INFO L93 Difference]: Finished difference Result 2293 states and 2972 transitions. [2024-12-02 06:07:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:07:28,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 149 [2024-12-02 06:07:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:28,617 INFO L225 Difference]: With dead ends: 2293 [2024-12-02 06:07:28,617 INFO L226 Difference]: Without dead ends: 1208 [2024-12-02 06:07:28,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:07:28,620 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:28,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 865 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:07:28,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2024-12-02 06:07:28,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1130. [2024-12-02 06:07:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 1011 states have (on average 1.2551928783382789) internal successors, (1269), 1022 states have internal predecessors, (1269), 100 states have call successors, (100), 18 states have call predecessors, (100), 18 states have return successors, (100), 89 states have call predecessors, (100), 100 states have call successors, (100) [2024-12-02 06:07:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1469 transitions. [2024-12-02 06:07:28,818 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1469 transitions. Word has length 149 [2024-12-02 06:07:28,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:28,818 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1469 transitions. [2024-12-02 06:07:28,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:07:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1469 transitions. [2024-12-02 06:07:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 06:07:28,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:28,820 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:28,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:07:29,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 06:07:29,021 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:29,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash -367953501, now seen corresponding path program 1 times [2024-12-02 06:07:29,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:29,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148516097] [2024-12-02 06:07:29,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:29,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:29,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148516097] [2024-12-02 06:07:29,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148516097] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:29,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305090028] [2024-12-02 06:07:29,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:29,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:29,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:29,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 06:07:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:30,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-02 06:07:30,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:30,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 06:07:30,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2024-12-02 06:07:30,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 06:07:30,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2024-12-02 06:07:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 24 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-12-02 06:07:31,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:07:31,515 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 30 treesize of output 18 [2024-12-02 06:07:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 72 proven. 24 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-12-02 06:07:31,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305090028] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:07:31,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:07:31,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 10] total 29 [2024-12-02 06:07:31,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201710787] [2024-12-02 06:07:31,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:07:31,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 06:07:31,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:31,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 06:07:31,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2024-12-02 06:07:31,557 INFO L87 Difference]: Start difference. First operand 1130 states and 1469 transitions. Second operand has 29 states, 24 states have (on average 6.583333333333333) internal successors, (158), 29 states have internal predecessors, (158), 11 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (54), 6 states have call predecessors, (54), 11 states have call successors, (54) [2024-12-02 06:07:34,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:34,032 INFO L93 Difference]: Finished difference Result 2616 states and 3383 transitions. [2024-12-02 06:07:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-02 06:07:34,032 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 24 states have (on average 6.583333333333333) internal successors, (158), 29 states have internal predecessors, (158), 11 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (54), 6 states have call predecessors, (54), 11 states have call successors, (54) Word has length 151 [2024-12-02 06:07:34,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:34,036 INFO L225 Difference]: With dead ends: 2616 [2024-12-02 06:07:34,036 INFO L226 Difference]: Without dead ends: 1516 [2024-12-02 06:07:34,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=455, Invalid=2197, Unknown=0, NotChecked=0, Total=2652 [2024-12-02 06:07:34,038 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 313 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:34,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1407 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 06:07:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2024-12-02 06:07:34,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1126. [2024-12-02 06:07:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1006 states have (on average 1.2564612326043738) internal successors, (1264), 1017 states have internal predecessors, (1264), 98 states have call successors, (98), 21 states have call predecessors, (98), 21 states have return successors, (98), 87 states have call predecessors, (98), 98 states have call successors, (98) [2024-12-02 06:07:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1460 transitions. [2024-12-02 06:07:34,211 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1460 transitions. Word has length 151 [2024-12-02 06:07:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:34,211 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1460 transitions. [2024-12-02 06:07:34,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 24 states have (on average 6.583333333333333) internal successors, (158), 29 states have internal predecessors, (158), 11 states have call successors, (54), 4 states have call predecessors, (54), 7 states have return successors, (54), 6 states have call predecessors, (54), 11 states have call successors, (54) [2024-12-02 06:07:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1460 transitions. [2024-12-02 06:07:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 06:07:34,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:34,213 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:34,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 06:07:34,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:34,414 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:34,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:34,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1815752793, now seen corresponding path program 1 times [2024-12-02 06:07:34,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:34,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935269008] [2024-12-02 06:07:34,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:35,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935269008] [2024-12-02 06:07:35,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935269008] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:35,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786126693] [2024-12-02 06:07:35,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:35,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:35,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:35,026 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:35,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 06:07:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:35,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 06:07:35,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:35,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 06:07:35,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 06:07:35,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 06:07:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 213 proven. 9 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 06:07:35,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:07:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:36,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786126693] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:07:36,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:07:36,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 24 [2024-12-02 06:07:36,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850657456] [2024-12-02 06:07:36,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:07:36,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 06:07:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:36,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 06:07:36,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:07:36,341 INFO L87 Difference]: Start difference. First operand 1126 states and 1460 transitions. Second operand has 24 states, 21 states have (on average 6.9523809523809526) internal successors, (146), 24 states have internal predecessors, (146), 8 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (54), 5 states have call predecessors, (54), 8 states have call successors, (54) [2024-12-02 06:07:38,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:38,464 INFO L93 Difference]: Finished difference Result 2497 states and 3227 transitions. [2024-12-02 06:07:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 06:07:38,465 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 6.9523809523809526) internal successors, (146), 24 states have internal predecessors, (146), 8 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (54), 5 states have call predecessors, (54), 8 states have call successors, (54) Word has length 151 [2024-12-02 06:07:38,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:38,470 INFO L225 Difference]: With dead ends: 2497 [2024-12-02 06:07:38,470 INFO L226 Difference]: Without dead ends: 1401 [2024-12-02 06:07:38,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 06:07:38,472 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 392 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:38,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 981 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 06:07:38,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-12-02 06:07:38,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1058. [2024-12-02 06:07:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 936 states have (on average 1.2521367521367521) internal successors, (1172), 947 states have internal predecessors, (1172), 98 states have call successors, (98), 23 states have call predecessors, (98), 23 states have return successors, (98), 87 states have call predecessors, (98), 98 states have call successors, (98) [2024-12-02 06:07:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1368 transitions. [2024-12-02 06:07:38,653 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1368 transitions. Word has length 151 [2024-12-02 06:07:38,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:38,653 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1368 transitions. [2024-12-02 06:07:38,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 6.9523809523809526) internal successors, (146), 24 states have internal predecessors, (146), 8 states have call successors, (54), 3 states have call predecessors, (54), 6 states have return successors, (54), 5 states have call predecessors, (54), 8 states have call successors, (54) [2024-12-02 06:07:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1368 transitions. [2024-12-02 06:07:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:07:38,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:38,655 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:38,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 06:07:38,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:38,856 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:38,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:38,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2139113281, now seen corresponding path program 1 times [2024-12-02 06:07:38,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:38,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058242880] [2024-12-02 06:07:38,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:38,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:39,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:39,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058242880] [2024-12-02 06:07:39,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058242880] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:39,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545435223] [2024-12-02 06:07:39,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:39,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:39,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:39,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:39,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 06:07:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:39,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 06:07:39,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:39,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 06:07:39,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 06:07:40,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-12-02 06:07:40,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:07:40,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 46 treesize of output 27 [2024-12-02 06:07:40,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:07:40,152 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 36 treesize of output 12 [2024-12-02 06:07:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 83 proven. 48 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-02 06:07:40,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:07:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:07:40,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545435223] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:07:40,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:07:40,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2024-12-02 06:07:40,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480951227] [2024-12-02 06:07:40,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:07:40,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 06:07:40,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:07:40,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 06:07:40,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:07:40,496 INFO L87 Difference]: Start difference. First operand 1058 states and 1368 transitions. Second operand has 17 states, 14 states have (on average 10.285714285714286) internal successors, (144), 17 states have internal predecessors, (144), 7 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (53), 4 states have call predecessors, (53), 7 states have call successors, (53) [2024-12-02 06:07:42,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:07:42,213 INFO L93 Difference]: Finished difference Result 2031 states and 2586 transitions. [2024-12-02 06:07:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 06:07:42,214 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 10.285714285714286) internal successors, (144), 17 states have internal predecessors, (144), 7 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (53), 4 states have call predecessors, (53), 7 states have call successors, (53) Word has length 152 [2024-12-02 06:07:42,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:07:42,217 INFO L225 Difference]: With dead ends: 2031 [2024-12-02 06:07:42,217 INFO L226 Difference]: Without dead ends: 1003 [2024-12-02 06:07:42,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 296 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=383, Invalid=1597, Unknown=0, NotChecked=0, Total=1980 [2024-12-02 06:07:42,218 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 619 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:07:42,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 655 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:07:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-12-02 06:07:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 850. [2024-12-02 06:07:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 739 states have (on average 1.2219215155615697) internal successors, (903), 744 states have internal predecessors, (903), 86 states have call successors, (86), 24 states have call predecessors, (86), 24 states have return successors, (86), 81 states have call predecessors, (86), 86 states have call successors, (86) [2024-12-02 06:07:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1075 transitions. [2024-12-02 06:07:42,345 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1075 transitions. Word has length 152 [2024-12-02 06:07:42,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:07:42,345 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1075 transitions. [2024-12-02 06:07:42,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 10.285714285714286) internal successors, (144), 17 states have internal predecessors, (144), 7 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (53), 4 states have call predecessors, (53), 7 states have call successors, (53) [2024-12-02 06:07:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1075 transitions. [2024-12-02 06:07:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:07:42,347 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:07:42,347 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:07:42,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 06:07:42,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:42,547 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:07:42,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:07:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1472595921, now seen corresponding path program 1 times [2024-12-02 06:07:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:07:42,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287471491] [2024-12-02 06:07:42,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:07:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 123 proven. 45 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-02 06:07:46,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:07:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287471491] [2024-12-02 06:07:46,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287471491] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:07:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964506230] [2024-12-02 06:07:46,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:07:46,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:07:46,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:07:46,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:07:46,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 06:07:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:07:46,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-02 06:07:46,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:07:46,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 06:07:47,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-02 06:07:47,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2024-12-02 06:07:47,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:07:47,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 46 [2024-12-02 06:07:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 408 proven. 54 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 06:07:48,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:08:05,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964506230] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:08:05,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:08:05,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2024-12-02 06:08:05,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561756960] [2024-12-02 06:08:05,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:08:05,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-02 06:08:05,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:08:05,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-02 06:08:05,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1740, Unknown=2, NotChecked=0, Total=2070 [2024-12-02 06:08:05,782 INFO L87 Difference]: Start difference. First operand 850 states and 1075 transitions. Second operand has 35 states, 25 states have (on average 5.52) internal successors, (138), 31 states have internal predecessors, (138), 16 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (36), 10 states have call predecessors, (36), 16 states have call successors, (36) [2024-12-02 06:08:11,053 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 83 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:08:12,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:14,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:20,863 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 86 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:08:22,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:27,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:40,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:41,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:45,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:46,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:50,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:53,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:55,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:08:59,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:09:01,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:09:04,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:09:08,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:17,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:22,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:26,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:28,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:31,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:33,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:37,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:10:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:39,172 INFO L93 Difference]: Finished difference Result 1268 states and 1575 transitions. [2024-12-02 06:10:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-12-02 06:10:39,173 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 25 states have (on average 5.52) internal successors, (138), 31 states have internal predecessors, (138), 16 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (36), 10 states have call predecessors, (36), 16 states have call successors, (36) Word has length 154 [2024-12-02 06:10:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:39,175 INFO L225 Difference]: With dead ends: 1268 [2024-12-02 06:10:39,175 INFO L226 Difference]: Without dead ends: 452 [2024-12-02 06:10:39,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 212 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 106.3s TimeCoverageRelationStatistics Valid=1098, Invalid=5052, Unknown=12, NotChecked=0, Total=6162 [2024-12-02 06:10:39,178 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 661 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:10:39,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1552 Invalid, 2267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 67.0s Time] [2024-12-02 06:10:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-12-02 06:10:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 332. [2024-12-02 06:10:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 277 states have (on average 1.1805054151624548) internal successors, (327), 277 states have internal predecessors, (327), 36 states have call successors, (36), 18 states have call predecessors, (36), 18 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 06:10:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 399 transitions. [2024-12-02 06:10:39,250 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 399 transitions. Word has length 154 [2024-12-02 06:10:39,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:39,250 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 399 transitions. [2024-12-02 06:10:39,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 25 states have (on average 5.52) internal successors, (138), 31 states have internal predecessors, (138), 16 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (36), 10 states have call predecessors, (36), 16 states have call successors, (36) [2024-12-02 06:10:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 399 transitions. [2024-12-02 06:10:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:10:39,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:39,251 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:39,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-02 06:10:39,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:10:39,452 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:39,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:39,452 INFO L85 PathProgramCache]: Analyzing trace with hash -841472664, now seen corresponding path program 1 times [2024-12-02 06:10:39,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:10:39,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567024876] [2024-12-02 06:10:39,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:39,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:10:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:10:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:10:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567024876] [2024-12-02 06:10:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567024876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:10:39,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:10:39,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:10:39,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475962164] [2024-12-02 06:10:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:10:39,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:10:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:10:39,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:10:39,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:10:39,955 INFO L87 Difference]: Start difference. First operand 332 states and 399 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:10:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:40,329 INFO L93 Difference]: Finished difference Result 557 states and 672 transitions. [2024-12-02 06:10:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:10:40,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-12-02 06:10:40,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:40,330 INFO L225 Difference]: With dead ends: 557 [2024-12-02 06:10:40,330 INFO L226 Difference]: Without dead ends: 332 [2024-12-02 06:10:40,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:10:40,331 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 104 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:10:40,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1499 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:10:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-12-02 06:10:40,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2024-12-02 06:10:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 277 states have (on average 1.1732851985559567) internal successors, (325), 277 states have internal predecessors, (325), 36 states have call successors, (36), 18 states have call predecessors, (36), 18 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-02 06:10:40,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 397 transitions. [2024-12-02 06:10:40,401 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 397 transitions. Word has length 154 [2024-12-02 06:10:40,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:40,401 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 397 transitions. [2024-12-02 06:10:40,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:10:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 397 transitions. [2024-12-02 06:10:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:10:40,402 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:40,402 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:40,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:10:40,402 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:40,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:40,402 INFO L85 PathProgramCache]: Analyzing trace with hash 412647229, now seen corresponding path program 1 times [2024-12-02 06:10:40,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:10:40,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067155588] [2024-12-02 06:10:40,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:40,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:10:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:10:40,483 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:10:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:10:40,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:10:40,617 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:10:40,618 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:10:40,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:10:40,622 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] [2024-12-02 06:10:40,688 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:10:40,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:10:40 BoogieIcfgContainer [2024-12-02 06:10:40,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:10:40,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:10:40,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:10:40,692 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:10:40,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:21" (3/4) ... [2024-12-02 06:10:40,694 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:10:40,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:10:40,696 INFO L158 Benchmark]: Toolchain (without parser) took 320100.25ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 92.5MB in the beginning and 456.3MB in the end (delta: -363.7MB). Peak memory consumption was 147.9MB. Max. memory is 16.1GB. [2024-12-02 06:10:40,696 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:10:40,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.04ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:10:40,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:10:40,696 INFO L158 Benchmark]: Boogie Preprocessor took 55.44ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:10:40,697 INFO L158 Benchmark]: RCFGBuilder took 625.70ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 88.1MB in the end (delta: -19.5MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-12-02 06:10:40,697 INFO L158 Benchmark]: TraceAbstraction took 319116.30ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 87.6MB in the beginning and 456.3MB in the end (delta: -368.7MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-12-02 06:10:40,697 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 629.1MB. Free memory was 456.3MB in the beginning and 456.3MB in the end (delta: 86.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:10:40,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.04ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.4MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.44ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.6MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 625.70ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 88.1MB in the end (delta: -19.5MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * TraceAbstraction took 319116.30ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 87.6MB in the beginning and 456.3MB in the end (delta: -368.7MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 629.1MB. Free memory was 456.3MB in the beginning and 456.3MB in the end (delta: 86.1kB). 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 someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 0} }; [L25-L27] double double_Array_0[2] = { 256.5, 8.8 }; [L25-L27] double double_Array_0[2] = { 256.5, 8.8 }; [L25-L27] double double_Array_0[2] = { 256.5, 8.8 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[5] = { 3110219175, 1, 1000000000, 1456677701, 5 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2] = { 16, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2] = { 16, 128 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[2] = { 16, 128 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] isInitial = 1 [L101] FCALL initially() [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L64] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L65] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] double_Array_0[0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L74] EXPR double_Array_0[0] [L74] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] double_Array_0[1] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[1] [L76] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L76] EXPR double_Array_0[1] [L76] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L78] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967295) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L81] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] unsigned_long_int_Array_0[2] = __VERIFIER_nondet_ulong() [L84] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[2] >= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[2] >= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_long_int_Array_0[2] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] RET assume_abort_if_not(unsigned_long_int_Array_0[2] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] unsigned_long_int_Array_0[3] = __VERIFIER_nondet_ulong() [L87] EXPR unsigned_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(unsigned_long_int_Array_0[3] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L87] RET assume_abort_if_not(unsigned_long_int_Array_0[3] >= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L88] EXPR unsigned_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_long_int_Array_0[3] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L88] RET assume_abort_if_not(unsigned_long_int_Array_0[3] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L89] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L90] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L90] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L104] RET updateVariables() [L105] CALL step() [L37] EXPR BOOL_unsigned_char_Array_0[1][0] [L37] BOOL_unsigned_char_Array_0[1][2] = BOOL_unsigned_char_Array_0[1][0] [L38] EXPR unsigned_long_int_Array_0[1] [L38] EXPR unsigned_long_int_Array_0[0] [L38] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L38] COND TRUE unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2]) [L39] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L39] EXPR ((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]) [L39] EXPR unsigned_short_int_Array_0[1] [L39] EXPR ((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L39] unsigned_short_int_Array_0[0] = ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))) [L41] EXPR double_Array_0[0] [L41] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L41] COND TRUE (double_Array_0[0] * 16.5f) > double_Array_0[1] [L42] EXPR BOOL_unsigned_char_Array_0[0][1] [L42] BOOL_unsigned_char_Array_0[0][2] = (! BOOL_unsigned_char_Array_0[0][1]) [L46] EXPR unsigned_short_int_Array_0[0] [L46] EXPR unsigned_long_int_Array_0[3] [L46] EXPR unsigned_long_int_Array_0[2] [L46] EXPR unsigned_short_int_Array_0[0] [L46] unsigned_long_int_Array_0[4] = (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))) [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L47] EXPR ((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]) [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR ((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L47] signed long int stepLocal_1 = (((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0])); [L48] EXPR unsigned_long_int_Array_0[3] [L48] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[3]; [L49] EXPR unsigned_long_int_Array_0[2] [L49] EXPR unsigned_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L49] EXPR ((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3]) [L49] EXPR unsigned_long_int_Array_0[2] [L49] EXPR ((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, stepLocal_0=-3221225473, stepLocal_1=65534, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L49] COND TRUE stepLocal_1 != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3]))) [L50] EXPR double_Array_0[0] [L50] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L50] COND FALSE !(double_Array_0[0] == double_Array_0[1]) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR unsigned_long_int_Array_0[4] [L96] EXPR unsigned_short_int_Array_0[0] [L96] EXPR unsigned_long_int_Array_0[3] [L96] EXPR unsigned_long_int_Array_0[2] [L96] EXPR unsigned_short_int_Array_0[0] [L96] EXPR (unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) [L96] EXPR BOOL_unsigned_char_Array_0[1][2] [L96] EXPR BOOL_unsigned_char_Array_0[1][0] [L96] EXPR (unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1]))) [L96] EXPR unsigned_short_int_Array_0[0] [L96] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]) [L96] EXPR unsigned_short_int_Array_0[0] [L96] EXPR ((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR unsigned_long_int_Array_0[2] [L96] EXPR unsigned_long_int_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3]) [L96] EXPR unsigned_long_int_Array_0[2] [L96] EXPR ((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])) [L96] EXPR double_Array_0[0] [L96] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1 [L96] EXPR (double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1) [L96] EXPR unsigned_long_int_Array_0[1] [L96] EXPR unsigned_long_int_Array_0[0] [L96] EXPR unsigned_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1 [L96] EXPR unsigned_short_int_Array_0[0] [L96] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]) [L96] EXPR unsigned_short_int_Array_0[1] [L96] EXPR ((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR (((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1)) && (((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1)) && (((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1])))) [L96] EXPR double_Array_0[0] [L96] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) [L96] EXPR BOOL_unsigned_char_Array_0[0][2] [L96] EXPR BOOL_unsigned_char_Array_0[0][1] [L96] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] [L96] EXPR BOOL_unsigned_char_Array_0[1][1] [L96] EXPR BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96] EXPR ((((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1)) && (((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L96-L97] return ((((unsigned_long_int_Array_0[4] == ((unsigned long int) (unsigned_short_int_Array_0[0] + (unsigned_long_int_Array_0[3] - (unsigned_long_int_Array_0[2] - unsigned_short_int_Array_0[0]))))) && (BOOL_unsigned_char_Array_0[1][2] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) && ((((((unsigned_short_int_Array_0[0]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) != ((((unsigned_long_int_Array_0[2]) < (unsigned_long_int_Array_0[3])) ? (unsigned_long_int_Array_0[2]) : (unsigned_long_int_Array_0[3])))) ? ((double_Array_0[0] == double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[1][2] ? ((unsigned_long_int_Array_0[3] >= unsigned_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) : 1) : 1) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[0][1])))) && ((unsigned_long_int_Array_0[1] <= (unsigned_long_int_Array_0[0] - unsigned_long_int_Array_0[2])) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))) : 1)) && (((double_Array_0[0] * 16.5f) > double_Array_0[1]) ? (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[0][2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] && BOOL_unsigned_char_Array_0[1][1])))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 319.0s, OverallIterations: 24, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 260.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 4177 SdHoareTripleChecker+Valid, 148.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4129 mSDsluCounter, 22147 SdHoareTripleChecker+Invalid, 146.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18627 mSDsCounter, 876 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10661 IncrementalHoareTripleChecker+Invalid, 11544 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 876 mSolverCounterUnsat, 3520 mSDtfsCounter, 10661 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2139 GetRequests, 1761 SyntacticMatches, 12 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3164 ImplicationChecksByTransitivity, 136.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1130occurred in iteration=18, InterpolantAutomatonStates: 274, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 2088 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 50.5s InterpolantComputationTime, 4724 NumberOfCodeBlocks, 4724 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 4986 ConstructedInterpolants, 0 QuantifiedInterpolants, 27363 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4158 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 34 InterpolantComputations, 19 PerfectInterpolantSequences, 20327/20808 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 [2024-12-02 06:10:40,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1 --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 1b5fc557e9eca50427a2e44f543168d77b97544575eea34c071efc5d55e33518 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:10:42,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:10:42,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:10:42,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:10:42,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:10:42,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:10:42,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:10:42,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:10:42,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:10:42,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:10:42,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:10:42,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:10:42,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:10:42,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:10:42,715 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:10:42,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:10:42,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:10:42,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:10:42,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:10:42,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:10:42,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:10:42,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:10:42,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:10:42,717 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_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1 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 -> 1b5fc557e9eca50427a2e44f543168d77b97544575eea34c071efc5d55e33518 [2024-12-02 06:10:42,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:10:42,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:10:42,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:10:42,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:10:42,962 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:10:42,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:10:45,650 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a27a045ed/e1e3f80e963f42b793e443d3eca92553/FLAGfc6d69640 [2024-12-02 06:10:45,832 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:10:45,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:10:45,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a27a045ed/e1e3f80e963f42b793e443d3eca92553/FLAGfc6d69640 [2024-12-02 06:10:45,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/data/a27a045ed/e1e3f80e963f42b793e443d3eca92553 [2024-12-02 06:10:45,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:10:45,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:10:45,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:10:45,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:10:45,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:10:45,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:10:45" (1/1) ... [2024-12-02 06:10:45,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5643b4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:45, skipping insertion in model container [2024-12-02 06:10:45,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:10:45" (1/1) ... [2024-12-02 06:10:45,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:10:46,010 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_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i[916,929] [2024-12-02 06:10:46,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:10:46,081 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:10:46,090 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_53143607-1093-49c8-9d02-fc5280f7cbae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-53.i[916,929] [2024-12-02 06:10:46,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:10:46,153 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:10:46,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46 WrapperNode [2024-12-02 06:10:46,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:10:46,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:10:46,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:10:46,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:10:46,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,205 INFO L138 Inliner]: procedures = 36, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 490 [2024-12-02 06:10:46,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:10:46,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:10:46,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:10:46,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:10:46,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,240 INFO L175 MemorySlicer]: Split 133 memory accesses to 5 slices as follows [2, 45, 20, 39, 27]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 6, 2, 5, 2]. The 18 writes are split as follows [0, 9, 2, 5, 2]. [2024-12-02 06:10:46,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:10:46,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:10:46,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:10:46,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:10:46,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (1/1) ... [2024-12-02 06:10:46,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:10:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:10:46,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:10:46,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 06:10:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 06:10:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 06:10:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:10:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:10:46,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 06:10:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 06:10:46,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 06:10:46,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 06:10:46,491 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:10:46,492 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:10:47,506 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-02 06:10:47,506 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:10:47,517 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:10:47,517 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:10:47,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:10:47 BoogieIcfgContainer [2024-12-02 06:10:47,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:10:47,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:10:47,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:10:47,525 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:10:47,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:10:45" (1/3) ... [2024-12-02 06:10:47,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d6ad77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:10:47, skipping insertion in model container [2024-12-02 06:10:47,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:10:46" (2/3) ... [2024-12-02 06:10:47,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d6ad77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:10:47, skipping insertion in model container [2024-12-02 06:10:47,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:10:47" (3/3) ... [2024-12-02 06:10:47,527 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-53.i [2024-12-02 06:10:47,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:10:47,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-53.i that has 2 procedures, 112 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:10:47,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:10:47,601 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;@4aefdf99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:10:47,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:10:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:10:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:10:47,613 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:47,614 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:47,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:47,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1255670194, now seen corresponding path program 1 times [2024-12-02 06:10:47,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:10:47,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862402135] [2024-12-02 06:10:47,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:47,629 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 [2024-12-02 06:10:47,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:10:47,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:10:47,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:48,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:10:48,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:10:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-02 06:10:48,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:10:48,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:10:48,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862402135] [2024-12-02 06:10:48,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [862402135] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:10:48,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:10:48,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:10:48,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920854213] [2024-12-02 06:10:48,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:10:48,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:10:48,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:10:48,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:10:48,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:10:48,087 INFO L87 Difference]: Start difference. First operand has 112 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 92 states have internal predecessors, (128), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:10:48,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:48,114 INFO L93 Difference]: Finished difference Result 217 states and 340 transitions. [2024-12-02 06:10:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:10:48,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 140 [2024-12-02 06:10:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:48,122 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:10:48,122 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 06:10:48,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:10:48,127 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-12-02 06:10:48,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:10:48,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 06:10:48,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-12-02 06:10:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:10:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-12-02 06:10:48,161 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 140 [2024-12-02 06:10:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:48,161 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-12-02 06:10:48,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:10:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-12-02 06:10:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:10:48,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:48,165 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:48,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:48,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:10:48,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:48,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash -674029138, now seen corresponding path program 1 times [2024-12-02 06:10:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:10:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493008260] [2024-12-02 06:10:48,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:48,368 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 [2024-12-02 06:10:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:10:48,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:10:48,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:48,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:10:48,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:10:48,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 06:10:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:10:48,811 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:10:48,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:10:48,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493008260] [2024-12-02 06:10:48,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493008260] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:10:48,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:10:48,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:10:48,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939715270] [2024-12-02 06:10:48,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:10:48,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:10:48,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:10:48,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:10:48,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:10:48,813 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:10:48,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:48,854 INFO L93 Difference]: Finished difference Result 213 states and 307 transitions. [2024-12-02 06:10:48,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:10:48,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 140 [2024-12-02 06:10:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:48,857 INFO L225 Difference]: With dead ends: 213 [2024-12-02 06:10:48,858 INFO L226 Difference]: Without dead ends: 108 [2024-12-02 06:10:48,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:10:48,859 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:10:48,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:10:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-12-02 06:10:48,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-12-02 06:10:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:10:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2024-12-02 06:10:48,870 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 140 [2024-12-02 06:10:48,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:48,872 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2024-12-02 06:10:48,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:10:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2024-12-02 06:10:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:10:48,874 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:48,875 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:48,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:49,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:10:49,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:49,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:49,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1695097492, now seen corresponding path program 1 times [2024-12-02 06:10:49,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:10:49,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748558745] [2024-12-02 06:10:49,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:49,076 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 [2024-12-02 06:10:49,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:10:49,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:10:49,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:49,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:10:49,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:10:49,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:10:49,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-12-02 06:10:49,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:49,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 63 treesize of output 53 [2024-12-02 06:10:49,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2024-12-02 06:10:50,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:50,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 24 [2024-12-02 06:10:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 24 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-12-02 06:10:50,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:10:50,669 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:10:50,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748558745] [2024-12-02 06:10:50,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748558745] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:10:50,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1053871177] [2024-12-02 06:10:50,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:50,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:10:50,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:10:50,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:10:50,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 06:10:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:51,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 06:10:51,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:10:52,212 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 [2024-12-02 06:10:52,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 06:10:53,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:53,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 47 [2024-12-02 06:10:53,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 06:10:53,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:53,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 24 [2024-12-02 06:10:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 288 proven. 24 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-12-02 06:10:53,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:10:53,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1053871177] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:10:53,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:10:53,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-12-02 06:10:53,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465081812] [2024-12-02 06:10:53,718 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:10:53,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 06:10:53,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:10:53,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 06:10:53,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2024-12-02 06:10:53,721 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) [2024-12-02 06:10:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:10:57,598 INFO L93 Difference]: Finished difference Result 266 states and 374 transitions. [2024-12-02 06:10:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:10:57,599 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) Word has length 140 [2024-12-02 06:10:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:10:57,600 INFO L225 Difference]: With dead ends: 266 [2024-12-02 06:10:57,601 INFO L226 Difference]: Without dead ends: 161 [2024-12-02 06:10:57,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=304, Invalid=1418, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 06:10:57,602 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 590 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:10:57,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 1180 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-12-02 06:10:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-12-02 06:10:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 156. [2024-12-02 06:10:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 122 states have internal predecessors, (157), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 06:10:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 217 transitions. [2024-12-02 06:10:57,615 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 217 transitions. Word has length 140 [2024-12-02 06:10:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:10:57,616 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 217 transitions. [2024-12-02 06:10:57,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) [2024-12-02 06:10:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2024-12-02 06:10:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 06:10:57,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:10:57,617 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:10:57,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 06:10:57,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:58,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:10:58,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:10:58,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:10:58,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1588752554, now seen corresponding path program 1 times [2024-12-02 06:10:58,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:10:58,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985666115] [2024-12-02 06:10:58,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:58,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:10:58,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:10:58,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:10:58,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:10:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:58,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:10:58,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:10:58,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:10:58,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 36 [2024-12-02 06:10:58,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:58,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 55 treesize of output 45 [2024-12-02 06:10:58,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:10:58,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 24 [2024-12-02 06:10:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 218 proven. 12 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-12-02 06:10:58,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:10:59,063 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:10:59,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985666115] [2024-12-02 06:10:59,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985666115] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:10:59,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [503262193] [2024-12-02 06:10:59,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:10:59,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:10:59,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:10:59,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:10:59,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 06:10:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:10:59,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:10:59,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:00,384 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 [2024-12-02 06:11:01,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:01,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 47 [2024-12-02 06:11:01,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2024-12-02 06:11:01,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:01,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 24 [2024-12-02 06:11:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 218 proven. 12 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-12-02 06:11:01,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:01,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [503262193] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:01,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:11:01,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-12-02 06:11:01,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844682541] [2024-12-02 06:11:01,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:11:01,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 06:11:01,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:01,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 06:11:01,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2024-12-02 06:11:01,733 INFO L87 Difference]: Start difference. First operand 156 states and 217 transitions. Second operand has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) [2024-12-02 06:11:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:05,271 INFO L93 Difference]: Finished difference Result 287 states and 389 transitions. [2024-12-02 06:11:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:11:05,272 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) Word has length 140 [2024-12-02 06:11:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:05,273 INFO L225 Difference]: With dead ends: 287 [2024-12-02 06:11:05,273 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 06:11:05,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=304, Invalid=1418, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 06:11:05,275 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 402 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:05,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1212 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 06:11:05,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 06:11:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 163. [2024-12-02 06:11:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 126 states have (on average 1.2777777777777777) internal successors, (161), 127 states have internal predecessors, (161), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 06:11:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 221 transitions. [2024-12-02 06:11:05,295 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 221 transitions. Word has length 140 [2024-12-02 06:11:05,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:05,296 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 221 transitions. [2024-12-02 06:11:05,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 5.045454545454546) internal successors, (111), 24 states have internal predecessors, (111), 8 states have call successors, (36), 6 states have call predecessors, (36), 8 states have return successors, (36), 6 states have call predecessors, (36), 8 states have call successors, (36) [2024-12-02 06:11:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2024-12-02 06:11:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 06:11:05,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:05,298 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:05,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 06:11:05,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:05,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:05,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:05,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:05,699 INFO L85 PathProgramCache]: Analyzing trace with hash -494901700, now seen corresponding path program 1 times [2024-12-02 06:11:05,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:05,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649505286] [2024-12-02 06:11:05,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:05,700 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:05,701 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:05,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:06,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:11:06,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:06,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:11:06,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2024-12-02 06:11:06,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:06,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 41 treesize of output 28 [2024-12-02 06:11:06,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:06,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 39 [2024-12-02 06:11:06,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:06,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 42 [2024-12-02 06:11:06,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:06,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 36 [2024-12-02 06:11:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 83 proven. 48 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-02 06:11:06,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:07,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:07,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649505286] [2024-12-02 06:11:07,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649505286] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:07,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:11:07,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 06:11:07,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007088127] [2024-12-02 06:11:07,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:07,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:11:07,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:07,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:11:07,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:11:07,163 INFO L87 Difference]: Start difference. First operand 163 states and 221 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:08,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:08,082 INFO L93 Difference]: Finished difference Result 290 states and 389 transitions. [2024-12-02 06:11:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:11:08,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-12-02 06:11:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:08,086 INFO L225 Difference]: With dead ends: 290 [2024-12-02 06:11:08,086 INFO L226 Difference]: Without dead ends: 165 [2024-12-02 06:11:08,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:11:08,087 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 66 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:08,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 454 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:11:08,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-12-02 06:11:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-12-02 06:11:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 128 states have (on average 1.2734375) internal successors, (163), 129 states have internal predecessors, (163), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 06:11:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2024-12-02 06:11:08,108 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 223 transitions. Word has length 141 [2024-12-02 06:11:08,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:08,109 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 223 transitions. [2024-12-02 06:11:08,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 223 transitions. [2024-12-02 06:11:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 06:11:08,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:08,111 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:08,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 06:11:08,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:08,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:08,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 206162878, now seen corresponding path program 1 times [2024-12-02 06:11:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004592600] [2024-12-02 06:11:08,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:08,312 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 [2024-12-02 06:11:08,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:08,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:08,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:08,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 06:11:08,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:08,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:11:08,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 06:11:08,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2024-12-02 06:11:09,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:09,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 38 [2024-12-02 06:11:09,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:09,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 22 [2024-12-02 06:11:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 408 proven. 54 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 06:11:09,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:10,612 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004592600] [2024-12-02 06:11:10,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004592600] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:10,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [480459541] [2024-12-02 06:11:10,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:10,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:11:10,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:11:10,614 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:11:10,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 06:11:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:11,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 06:11:11,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:11,757 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 [2024-12-02 06:11:12,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-02 06:11:12,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-12-02 06:11:13,084 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:13,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 34 [2024-12-02 06:11:13,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:13,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 22 [2024-12-02 06:11:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 408 proven. 54 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-12-02 06:11:13,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [480459541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:13,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:11:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2024-12-02 06:11:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040743308] [2024-12-02 06:11:13,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:11:13,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 06:11:13,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:13,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 06:11:13,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=1758, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 06:11:13,781 INFO L87 Difference]: Start difference. First operand 165 states and 223 transitions. Second operand has 36 states, 28 states have (on average 4.392857142857143) internal successors, (123), 32 states have internal predecessors, (123), 14 states have call successors, (36), 10 states have call predecessors, (36), 14 states have return successors, (36), 10 states have call predecessors, (36), 14 states have call successors, (36) [2024-12-02 06:11:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:15,020 INFO L93 Difference]: Finished difference Result 316 states and 410 transitions. [2024-12-02 06:11:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 06:11:15,021 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 28 states have (on average 4.392857142857143) internal successors, (123), 32 states have internal predecessors, (123), 14 states have call successors, (36), 10 states have call predecessors, (36), 14 states have return successors, (36), 10 states have call predecessors, (36), 14 states have call successors, (36) Word has length 141 [2024-12-02 06:11:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:15,022 INFO L225 Difference]: With dead ends: 316 [2024-12-02 06:11:15,022 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 06:11:15,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1014 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=604, Invalid=2476, Unknown=0, NotChecked=0, Total=3080 [2024-12-02 06:11:15,024 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 414 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:15,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1269 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:11:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 06:11:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 165. [2024-12-02 06:11:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 130 states have (on average 1.2615384615384615) internal successors, (164), 131 states have internal predecessors, (164), 26 states have call successors, (26), 8 states have call predecessors, (26), 8 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 06:11:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-12-02 06:11:15,047 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 141 [2024-12-02 06:11:15,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:15,047 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-12-02 06:11:15,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 28 states have (on average 4.392857142857143) internal successors, (123), 32 states have internal predecessors, (123), 14 states have call successors, (36), 10 states have call predecessors, (36), 14 states have return successors, (36), 10 states have call predecessors, (36), 14 states have call successors, (36) [2024-12-02 06:11:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-12-02 06:11:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 06:11:15,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:15,049 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:15,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:15,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 06:11:15,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 06:11:15,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:15,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:15,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1464102743, now seen corresponding path program 1 times [2024-12-02 06:11:15,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:15,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879621887] [2024-12-02 06:11:15,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:15,451 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 [2024-12-02 06:11:15,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:15,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:15,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:16,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 06:11:16,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:16,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 06:11:16,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2024-12-02 06:11:16,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:16,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 81 treesize of output 59 [2024-12-02 06:11:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 24 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-12-02 06:11:17,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:17,965 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:17,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879621887] [2024-12-02 06:11:17,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879621887] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:17,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:11:17,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [22] total 25 [2024-12-02 06:11:17,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236191062] [2024-12-02 06:11:17,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:17,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:11:17,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:17,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:11:17,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:11:17,967 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:19,242 INFO L93 Difference]: Finished difference Result 315 states and 404 transitions. [2024-12-02 06:11:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:11:19,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 143 [2024-12-02 06:11:19,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:19,245 INFO L225 Difference]: With dead ends: 315 [2024-12-02 06:11:19,245 INFO L226 Difference]: Without dead ends: 180 [2024-12-02 06:11:19,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:11:19,246 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 112 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:19,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 586 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:11:19,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-02 06:11:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 163. [2024-12-02 06:11:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 128 states have (on average 1.25) internal successors, (160), 129 states have internal predecessors, (160), 26 states have call successors, (26), 8 states have call predecessors, (26), 8 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 06:11:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 212 transitions. [2024-12-02 06:11:19,264 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 212 transitions. Word has length 143 [2024-12-02 06:11:19,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:19,264 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 212 transitions. [2024-12-02 06:11:19,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 212 transitions. [2024-12-02 06:11:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:11:19,265 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:19,265 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:19,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 06:11:19,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:19,469 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:19,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash 737127025, now seen corresponding path program 1 times [2024-12-02 06:11:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:19,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222819457] [2024-12-02 06:11:19,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:19,470 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 [2024-12-02 06:11:19,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:19,471 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:19,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:19,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:11:19,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:19,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 06:11:19,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-02 06:11:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:19,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:19,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:19,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222819457] [2024-12-02 06:11:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222819457] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:19,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:11:19,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144104072] [2024-12-02 06:11:19,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:11:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:19,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:11:19,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:11:19,891 INFO L87 Difference]: Start difference. First operand 163 states and 212 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:20,553 INFO L93 Difference]: Finished difference Result 390 states and 505 transitions. [2024-12-02 06:11:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:11:20,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 06:11:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:20,556 INFO L225 Difference]: With dead ends: 390 [2024-12-02 06:11:20,556 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 06:11:20,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:11:20,557 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 111 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:20,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 747 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:11:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 06:11:20,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 150. [2024-12-02 06:11:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.2601626016260163) internal successors, (155), 123 states have internal predecessors, (155), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 191 transitions. [2024-12-02 06:11:20,586 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 191 transitions. Word has length 148 [2024-12-02 06:11:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:20,587 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 191 transitions. [2024-12-02 06:11:20,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 191 transitions. [2024-12-02 06:11:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:11:20,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:20,588 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:20,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:20,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:20,789 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:20,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:20,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1438191603, now seen corresponding path program 1 times [2024-12-02 06:11:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626484650] [2024-12-02 06:11:20,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:20,790 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 [2024-12-02 06:11:20,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:20,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:20,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 06:11:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:21,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:11:21,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:21,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 06:11:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:21,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:21,117 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:21,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626484650] [2024-12-02 06:11:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626484650] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:21,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:11:21,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639166243] [2024-12-02 06:11:21,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:21,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:11:21,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:21,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:11:21,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:11:21,118 INFO L87 Difference]: Start difference. First operand 150 states and 191 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:21,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:21,153 INFO L93 Difference]: Finished difference Result 297 states and 379 transitions. [2024-12-02 06:11:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:11:21,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 06:11:21,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:21,155 INFO L225 Difference]: With dead ends: 297 [2024-12-02 06:11:21,155 INFO L226 Difference]: Without dead ends: 150 [2024-12-02 06:11:21,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:11:21,156 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:21,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 292 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:11:21,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-12-02 06:11:21,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-12-02 06:11:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.2439024390243902) internal successors, (153), 123 states have internal predecessors, (153), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 189 transitions. [2024-12-02 06:11:21,182 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 189 transitions. Word has length 148 [2024-12-02 06:11:21,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:21,183 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 189 transitions. [2024-12-02 06:11:21,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2024-12-02 06:11:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:11:21,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:21,184 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:21,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 06:11:21,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:21,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:21,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:21,385 INFO L85 PathProgramCache]: Analyzing trace with hash 851385589, now seen corresponding path program 1 times [2024-12-02 06:11:21,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:21,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516667116] [2024-12-02 06:11:21,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:21,386 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 [2024-12-02 06:11:21,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:21,387 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:21,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 06:11:21,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:21,815 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:21,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:21,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516667116] [2024-12-02 06:11:21,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516667116] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:21,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:21,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:11:21,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162979835] [2024-12-02 06:11:21,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:21,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:11:21,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:21,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:11:21,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:21,816 INFO L87 Difference]: Start difference. First operand 150 states and 189 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:22,151 INFO L93 Difference]: Finished difference Result 372 states and 474 transitions. [2024-12-02 06:11:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:11:22,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 06:11:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:22,153 INFO L225 Difference]: With dead ends: 372 [2024-12-02 06:11:22,153 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 06:11:22,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:22,154 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 103 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:22,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 488 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:11:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 06:11:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 150. [2024-12-02 06:11:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.2357723577235773) internal successors, (152), 123 states have internal predecessors, (152), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 188 transitions. [2024-12-02 06:11:22,171 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 188 transitions. Word has length 148 [2024-12-02 06:11:22,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:22,171 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 188 transitions. [2024-12-02 06:11:22,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 188 transitions. [2024-12-02 06:11:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:11:22,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:22,172 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:22,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 06:11:22,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:22,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:22,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:22,373 INFO L85 PathProgramCache]: Analyzing trace with hash -667327439, now seen corresponding path program 1 times [2024-12-02 06:11:22,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:22,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109178026] [2024-12-02 06:11:22,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:22,373 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 [2024-12-02 06:11:22,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:22,375 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:22,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:22,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 06:11:22,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:22,820 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:22,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109178026] [2024-12-02 06:11:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109178026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:22,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:22,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:11:22,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836873922] [2024-12-02 06:11:22,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:22,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:11:22,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:22,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:11:22,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:22,821 INFO L87 Difference]: Start difference. First operand 150 states and 188 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:23,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:23,253 INFO L93 Difference]: Finished difference Result 372 states and 472 transitions. [2024-12-02 06:11:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:11:23,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 06:11:23,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:23,255 INFO L225 Difference]: With dead ends: 372 [2024-12-02 06:11:23,255 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 06:11:23,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:23,256 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 101 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:23,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 704 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:11:23,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 06:11:23,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 150. [2024-12-02 06:11:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 123 states have internal predecessors, (151), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 187 transitions. [2024-12-02 06:11:23,270 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 187 transitions. Word has length 148 [2024-12-02 06:11:23,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:23,271 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 187 transitions. [2024-12-02 06:11:23,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2024-12-02 06:11:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 06:11:23,272 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:23,272 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:23,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:23,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:23,472 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:23,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash 33737139, now seen corresponding path program 1 times [2024-12-02 06:11:23,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:23,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349369034] [2024-12-02 06:11:23,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:23,473 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 [2024-12-02 06:11:23,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:23,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:23,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:23,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 06:11:23,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:23,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 06:11:23,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-12-02 06:11:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:23,921 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:23,921 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:23,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349369034] [2024-12-02 06:11:23,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349369034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:23,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:23,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:11:23,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925384187] [2024-12-02 06:11:23,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:23,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:11:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:23,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:11:23,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:11:23,923 INFO L87 Difference]: Start difference. First operand 150 states and 187 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:24,545 INFO L93 Difference]: Finished difference Result 384 states and 482 transitions. [2024-12-02 06:11:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:11:24,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 148 [2024-12-02 06:11:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:24,547 INFO L225 Difference]: With dead ends: 384 [2024-12-02 06:11:24,547 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 06:11:24,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:11:24,548 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 111 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:24,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 871 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:11:24,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 06:11:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 149. [2024-12-02 06:11:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 122 states have (on average 1.221311475409836) internal successors, (149), 122 states have internal predecessors, (149), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2024-12-02 06:11:24,565 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 148 [2024-12-02 06:11:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:24,565 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2024-12-02 06:11:24,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2024-12-02 06:11:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 06:11:24,566 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:24,566 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:24,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:24,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:24,766 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:24,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1230680079, now seen corresponding path program 1 times [2024-12-02 06:11:24,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:24,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510702705] [2024-12-02 06:11:24,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:24,767 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 [2024-12-02 06:11:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:24,769 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:25,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:11:25,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:25,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:25,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510702705] [2024-12-02 06:11:25,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510702705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:11:25,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601595714] [2024-12-02 06:11:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:25,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:11:25,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:25,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:11:25,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:25,101 INFO L87 Difference]: Start difference. First operand 149 states and 185 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:25,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:25,157 INFO L93 Difference]: Finished difference Result 299 states and 372 transitions. [2024-12-02 06:11:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:11:25,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 150 [2024-12-02 06:11:25,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:25,159 INFO L225 Difference]: With dead ends: 299 [2024-12-02 06:11:25,159 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 06:11:25,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:11:25,160 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:25,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 701 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:11:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 06:11:25,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-12-02 06:11:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.2142857142857142) internal successors, (153), 126 states have internal predecessors, (153), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 189 transitions. [2024-12-02 06:11:25,181 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 189 transitions. Word has length 150 [2024-12-02 06:11:25,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:25,181 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 189 transitions. [2024-12-02 06:11:25,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2024-12-02 06:11:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:11:25,182 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:25,182 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:25,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:25,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:25,383 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:25,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:25,383 INFO L85 PathProgramCache]: Analyzing trace with hash -987676703, now seen corresponding path program 1 times [2024-12-02 06:11:25,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:25,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981259769] [2024-12-02 06:11:25,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:25,383 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 [2024-12-02 06:11:25,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:25,385 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:25,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:25,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:11:25,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:25,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:25,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:25,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981259769] [2024-12-02 06:11:25,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981259769] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:25,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:25,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:11:25,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884170492] [2024-12-02 06:11:25,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:25,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:11:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:25,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:11:25,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:11:25,701 INFO L87 Difference]: Start difference. First operand 153 states and 189 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:25,747 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2024-12-02 06:11:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:11:25,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 152 [2024-12-02 06:11:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:25,749 INFO L225 Difference]: With dead ends: 306 [2024-12-02 06:11:25,749 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 06:11:25,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:11:25,749 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:25,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 564 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:11:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 06:11:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-12-02 06:11:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 129 states have (on average 1.2093023255813953) internal successors, (156), 129 states have internal predecessors, (156), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 192 transitions. [2024-12-02 06:11:25,763 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 192 transitions. Word has length 152 [2024-12-02 06:11:25,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:25,764 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 192 transitions. [2024-12-02 06:11:25,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2024-12-02 06:11:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 06:11:25,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:25,765 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:25,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:25,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:25,965 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:25,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:25,966 INFO L85 PathProgramCache]: Analyzing trace with hash 628914042, now seen corresponding path program 1 times [2024-12-02 06:11:25,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:25,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777619383] [2024-12-02 06:11:25,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:25,966 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 [2024-12-02 06:11:25,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:25,968 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:25,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:26,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 06:11:26,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:26,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:26,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:26,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777619383] [2024-12-02 06:11:26,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777619383] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:26,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:26,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:11:26,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002166138] [2024-12-02 06:11:26,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:26,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:11:26,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:26,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:11:26,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:11:26,298 INFO L87 Difference]: Start difference. First operand 156 states and 192 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:26,370 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2024-12-02 06:11:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:11:26,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 152 [2024-12-02 06:11:26,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:26,372 INFO L225 Difference]: With dead ends: 314 [2024-12-02 06:11:26,372 INFO L226 Difference]: Without dead ends: 161 [2024-12-02 06:11:26,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:11:26,373 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:26,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 835 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:11:26,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-12-02 06:11:26,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2024-12-02 06:11:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 130 states have (on average 1.2076923076923076) internal successors, (157), 130 states have internal predecessors, (157), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2024-12-02 06:11:26,387 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 152 [2024-12-02 06:11:26,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:26,387 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2024-12-02 06:11:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2024-12-02 06:11:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:11:26,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:26,388 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:26,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 06:11:26,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:26,589 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash -841472664, now seen corresponding path program 1 times [2024-12-02 06:11:26,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:26,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678548765] [2024-12-02 06:11:26,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:26,590 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 [2024-12-02 06:11:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:26,592 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:26,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:27,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:11:27,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:27,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 06:11:27,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2024-12-02 06:11:27,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:27,326 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 47 treesize of output 21 [2024-12-02 06:11:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 06:11:27,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:27,405 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:27,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678548765] [2024-12-02 06:11:27,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678548765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:27,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:27,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:11:27,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473837203] [2024-12-02 06:11:27,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:27,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:11:27,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:27,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:11:27,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:11:27,406 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:11:28,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:28,046 INFO L93 Difference]: Finished difference Result 385 states and 473 transitions. [2024-12-02 06:11:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:11:28,047 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-12-02 06:11:28,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:28,048 INFO L225 Difference]: With dead ends: 385 [2024-12-02 06:11:28,048 INFO L226 Difference]: Without dead ends: 231 [2024-12-02 06:11:28,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:11:28,049 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 182 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:28,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 1231 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 06:11:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-12-02 06:11:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 156. [2024-12-02 06:11:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 129 states have (on average 1.2093023255813953) internal successors, (156), 129 states have internal predecessors, (156), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 06:11:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 192 transitions. [2024-12-02 06:11:28,074 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 192 transitions. Word has length 154 [2024-12-02 06:11:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:28,074 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 192 transitions. [2024-12-02 06:11:28,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:11:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2024-12-02 06:11:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:11:28,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:28,075 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:28,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:28,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:28,276 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:28,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1719819268, now seen corresponding path program 1 times [2024-12-02 06:11:28,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:28,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965402598] [2024-12-02 06:11:28,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:28,276 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 [2024-12-02 06:11:28,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:28,278 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:28,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:28,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 06:11:28,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:28,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 06:11:28,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2024-12-02 06:11:29,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2024-12-02 06:11:29,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2024-12-02 06:11:29,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:29,751 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 175 treesize of output 97 [2024-12-02 06:11:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 158 proven. 84 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 06:11:29,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:11:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:11:30,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965402598] [2024-12-02 06:11:30,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965402598] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:11:30,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:11:30,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 19 [2024-12-02 06:11:30,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929060337] [2024-12-02 06:11:30,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:30,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:11:30,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:30,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:11:30,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:11:30,501 INFO L87 Difference]: Start difference. First operand 156 states and 192 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:11:31,755 INFO L93 Difference]: Finished difference Result 237 states and 292 transitions. [2024-12-02 06:11:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:11:31,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 154 [2024-12-02 06:11:31,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:11:31,757 INFO L225 Difference]: With dead ends: 237 [2024-12-02 06:11:31,757 INFO L226 Difference]: Without dead ends: 235 [2024-12-02 06:11:31,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:11:31,758 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 48 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:11:31,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 809 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 06:11:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-12-02 06:11:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 232. [2024-12-02 06:11:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 202 states have (on average 1.2277227722772277) internal successors, (248), 203 states have internal predecessors, (248), 20 states have call successors, (20), 9 states have call predecessors, (20), 9 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:11:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 288 transitions. [2024-12-02 06:11:31,784 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 288 transitions. Word has length 154 [2024-12-02 06:11:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:11:31,784 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 288 transitions. [2024-12-02 06:11:31,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:11:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 288 transitions. [2024-12-02 06:11:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:11:31,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:11:31,786 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:11:31,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:31,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:11:31,986 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:11:31,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:11:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash 700291592, now seen corresponding path program 1 times [2024-12-02 06:11:31,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:11:31,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867633102] [2024-12-02 06:11:31,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:11:31,987 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 [2024-12-02 06:11:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:11:31,989 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:11:31,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:11:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:11:32,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:11:32,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:11:42,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:11:42,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 309 treesize of output 105 [2024-12-02 06:11:44,330 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:11:44,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:11:44,331 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:11:44,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867633102] [2024-12-02 06:11:44,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867633102] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:11:44,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:11:44,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:11:44,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577073862] [2024-12-02 06:11:44,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:11:44,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:11:44,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:11:44,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:11:44,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:11:44,331 INFO L87 Difference]: Start difference. First operand 232 states and 288 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:12:04,168 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 75 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:12:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:15,524 INFO L93 Difference]: Finished difference Result 689 states and 852 transitions. [2024-12-02 06:12:15,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:12:15,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-12-02 06:12:15,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:15,526 INFO L225 Difference]: With dead ends: 689 [2024-12-02 06:12:15,526 INFO L226 Difference]: Without dead ends: 460 [2024-12-02 06:12:15,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:12:15,527 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 425 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:15,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 930 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2024-12-02 06:12:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-12-02 06:12:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2024-12-02 06:12:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 390 states have (on average 1.2153846153846153) internal successors, (474), 393 states have internal predecessors, (474), 44 states have call successors, (44), 19 states have call predecessors, (44), 19 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 06:12:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 562 transitions. [2024-12-02 06:12:15,579 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 562 transitions. Word has length 154 [2024-12-02 06:12:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:15,579 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 562 transitions. [2024-12-02 06:12:15,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:12:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 562 transitions. [2024-12-02 06:12:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 06:12:15,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:15,581 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:12:15,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:12:15,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:12:15,782 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2089585606, now seen corresponding path program 1 times [2024-12-02 06:12:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:12:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123636524] [2024-12-02 06:12:15,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:15,783 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 [2024-12-02 06:12:15,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:12:15,784 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:12:15,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:12:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:16,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 06:12:16,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:12:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:12:16,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:12:16,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:12:16,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123636524] [2024-12-02 06:12:16,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123636524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:16,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:12:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532768873] [2024-12-02 06:12:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:16,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:12:16,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:12:16,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:12:16,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:12:16,091 INFO L87 Difference]: Start difference. First operand 454 states and 562 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:12:16,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:12:16,187 INFO L93 Difference]: Finished difference Result 905 states and 1121 transitions. [2024-12-02 06:12:16,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:12:16,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-12-02 06:12:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:12:16,189 INFO L225 Difference]: With dead ends: 905 [2024-12-02 06:12:16,190 INFO L226 Difference]: Without dead ends: 454 [2024-12-02 06:12:16,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:12:16,191 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:12:16,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 430 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:12:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-12-02 06:12:16,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2024-12-02 06:12:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 390 states have (on average 1.2128205128205127) internal successors, (473), 393 states have internal predecessors, (473), 44 states have call successors, (44), 19 states have call predecessors, (44), 19 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 06:12:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 561 transitions. [2024-12-02 06:12:16,251 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 561 transitions. Word has length 154 [2024-12-02 06:12:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:12:16,252 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 561 transitions. [2024-12-02 06:12:16,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:12:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 561 transitions. [2024-12-02 06:12:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 06:12:16,253 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:12:16,253 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:12:16,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-02 06:12:16,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:12:16,453 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:12:16,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:12:16,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1200769738, now seen corresponding path program 1 times [2024-12-02 06:12:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:12:16,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539845530] [2024-12-02 06:12:16,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:12:16,454 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 [2024-12-02 06:12:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:12:16,455 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:12:16,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:12:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:12:25,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:12:25,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:12:50,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:12:50,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 309 treesize of output 105 [2024-12-02 06:12:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:12:53,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:12:53,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:12:53,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539845530] [2024-12-02 06:12:53,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539845530] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:12:53,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:12:53,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:12:53,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219693572] [2024-12-02 06:12:53,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:12:53,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:12:53,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:12:53,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:12:53,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:12:53,556 INFO L87 Difference]: Start difference. First operand 454 states and 561 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:13:13,657 WARN L286 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:13:15,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:13:28,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:13:28,084 INFO L93 Difference]: Finished difference Result 903 states and 1114 transitions. [2024-12-02 06:13:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:13:28,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-12-02 06:13:28,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:13:28,087 INFO L225 Difference]: With dead ends: 903 [2024-12-02 06:13:28,087 INFO L226 Difference]: Without dead ends: 452 [2024-12-02 06:13:28,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:13:28,088 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 316 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:13:28,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 891 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 24.4s Time] [2024-12-02 06:13:28,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-12-02 06:13:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 448. [2024-12-02 06:13:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 384 states have (on average 1.2083333333333333) internal successors, (464), 387 states have internal predecessors, (464), 44 states have call successors, (44), 19 states have call predecessors, (44), 19 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 06:13:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 552 transitions. [2024-12-02 06:13:28,155 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 552 transitions. Word has length 156 [2024-12-02 06:13:28,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:13:28,155 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 552 transitions. [2024-12-02 06:13:28,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:13:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 552 transitions. [2024-12-02 06:13:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 06:13:28,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:13:28,156 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:13:28,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 06:13:28,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:13:28,356 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:13:28,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:13:28,357 INFO L85 PathProgramCache]: Analyzing trace with hash 971519894, now seen corresponding path program 1 times [2024-12-02 06:13:28,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:13:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084967888] [2024-12-02 06:13:28,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:13:28,357 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 [2024-12-02 06:13:28,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:13:28,359 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:13:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:13:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:13:43,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:13:43,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:14:17,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:14:17,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 310 treesize of output 106 [2024-12-02 06:14:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:14:21,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:14:21,538 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:14:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084967888] [2024-12-02 06:14:21,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084967888] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:14:21,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:14:21,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:14:21,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269070861] [2024-12-02 06:14:21,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:14:21,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:14:21,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:14:21,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:14:21,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:14:21,539 INFO L87 Difference]: Start difference. First operand 448 states and 552 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:14:32,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:14:44,919 WARN L286 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:14:46,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 06:14:56,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:14:56,295 INFO L93 Difference]: Finished difference Result 901 states and 1107 transitions. [2024-12-02 06:14:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 06:14:56,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-12-02 06:14:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:14:56,304 INFO L225 Difference]: With dead ends: 901 [2024-12-02 06:14:56,304 INFO L226 Difference]: Without dead ends: 456 [2024-12-02 06:14:56,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:14:56,305 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 291 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:14:56,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1166 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2024-12-02 06:14:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-12-02 06:14:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 452. [2024-12-02 06:14:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 387 states have (on average 1.2041343669250646) internal successors, (466), 390 states have internal predecessors, (466), 44 states have call successors, (44), 20 states have call predecessors, (44), 20 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 06:14:56,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 554 transitions. [2024-12-02 06:14:56,392 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 554 transitions. Word has length 156 [2024-12-02 06:14:56,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:14:56,392 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 554 transitions. [2024-12-02 06:14:56,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 06:14:56,392 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 554 transitions. [2024-12-02 06:14:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 06:14:56,393 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:14:56,393 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:14:56,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 06:14:56,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:14:56,594 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:14:56,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:14:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -903336542, now seen corresponding path program 1 times [2024-12-02 06:14:56,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:14:56,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222338903] [2024-12-02 06:14:56,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:14:56,595 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 [2024-12-02 06:14:56,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:14:56,596 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:14:56,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:14:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:14:56,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 06:14:56,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:14:59,137 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:14:59,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 303 treesize of output 99 [2024-12-02 06:14:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 06:14:59,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:14:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:14:59,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:14:59,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222338903] [2024-12-02 06:14:59,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222338903] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:14:59,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:14:59,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-02 06:14:59,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710856018] [2024-12-02 06:14:59,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:14:59,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:14:59,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:14:59,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:14:59,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:14:59,821 INFO L87 Difference]: Start difference. First operand 452 states and 554 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:00,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:00,191 INFO L93 Difference]: Finished difference Result 1107 states and 1340 transitions. [2024-12-02 06:15:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:00,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 156 [2024-12-02 06:15:00,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:00,194 INFO L225 Difference]: With dead ends: 1107 [2024-12-02 06:15:00,194 INFO L226 Difference]: Without dead ends: 658 [2024-12-02 06:15:00,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:15:00,195 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 50 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:00,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 544 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:15:00,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-12-02 06:15:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 566. [2024-12-02 06:15:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 491 states have (on average 1.1771894093686355) internal successors, (578), 496 states have internal predecessors, (578), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 47 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 06:15:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 682 transitions. [2024-12-02 06:15:00,297 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 682 transitions. Word has length 156 [2024-12-02 06:15:00,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:00,298 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 682 transitions. [2024-12-02 06:15:00,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 682 transitions. [2024-12-02 06:15:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 06:15:00,300 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:00,300 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:00,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:00,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:00,500 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:00,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:00,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1457856313, now seen corresponding path program 1 times [2024-12-02 06:15:00,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:00,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1934603328] [2024-12-02 06:15:00,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:00,501 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 [2024-12-02 06:15:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:00,503 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:00,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:00,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:15:00,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:15:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:15:00,919 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:15:00,919 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:15:00,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1934603328] [2024-12-02 06:15:00,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1934603328] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:15:00,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:15:00,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:15:00,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258222695] [2024-12-02 06:15:00,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:00,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:15:00,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:15:00,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:15:00,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:15:00,920 INFO L87 Difference]: Start difference. First operand 566 states and 682 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:02,648 INFO L93 Difference]: Finished difference Result 1484 states and 1771 transitions. [2024-12-02 06:15:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:15:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 157 [2024-12-02 06:15:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:02,652 INFO L225 Difference]: With dead ends: 1484 [2024-12-02 06:15:02,652 INFO L226 Difference]: Without dead ends: 921 [2024-12-02 06:15:02,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:15:02,654 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 102 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:02,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 555 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 06:15:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-12-02 06:15:02,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 617. [2024-12-02 06:15:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 542 states have (on average 1.1660516605166051) internal successors, (632), 547 states have internal predecessors, (632), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 47 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 06:15:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 736 transitions. [2024-12-02 06:15:02,751 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 736 transitions. Word has length 157 [2024-12-02 06:15:02,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:02,752 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 736 transitions. [2024-12-02 06:15:02,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:02,752 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 736 transitions. [2024-12-02 06:15:02,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:15:02,753 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:02,753 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:02,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 06:15:02,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:02,954 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:02,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:02,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2031910421, now seen corresponding path program 1 times [2024-12-02 06:15:02,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:02,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076702614] [2024-12-02 06:15:02,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:02,955 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 [2024-12-02 06:15:02,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:02,956 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:02,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:03,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:15:03,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:15:03,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 06:15:03,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 06:15:03,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 06:15:04,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2024-12-02 06:15:04,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:04,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 29 [2024-12-02 06:15:05,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:05,119 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 33 treesize of output 15 [2024-12-02 06:15:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 83 proven. 48 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-02 06:15:05,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:15:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 3 proven. 48 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 06:15:05,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:15:05,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076702614] [2024-12-02 06:15:05,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076702614] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:15:05,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:15:05,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-12-02 06:15:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862578802] [2024-12-02 06:15:05,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:15:05,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:15:05,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:15:05,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:15:05,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:15:05,951 INFO L87 Difference]: Start difference. First operand 617 states and 736 transitions. Second operand has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2024-12-02 06:15:08,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:08,932 INFO L93 Difference]: Finished difference Result 1155 states and 1356 transitions. [2024-12-02 06:15:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:15:08,933 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 158 [2024-12-02 06:15:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:08,935 INFO L225 Difference]: With dead ends: 1155 [2024-12-02 06:15:08,935 INFO L226 Difference]: Without dead ends: 541 [2024-12-02 06:15:08,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:15:08,936 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:08,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 455 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 06:15:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-12-02 06:15:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 467. [2024-12-02 06:15:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 403 states have (on average 1.1091811414392059) internal successors, (447), 405 states have internal predecessors, (447), 42 states have call successors, (42), 21 states have call predecessors, (42), 21 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 06:15:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 531 transitions. [2024-12-02 06:15:08,998 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 531 transitions. Word has length 158 [2024-12-02 06:15:08,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:08,998 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 531 transitions. [2024-12-02 06:15:08,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 6 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2024-12-02 06:15:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 531 transitions. [2024-12-02 06:15:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:15:08,999 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:09,000 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:09,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:09,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:09,200 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:09,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -394147248, now seen corresponding path program 1 times [2024-12-02 06:15:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386794474] [2024-12-02 06:15:09,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:09,201 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 [2024-12-02 06:15:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:09,203 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:09,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:09,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 06:15:09,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:15:09,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 06:15:11,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2024-12-02 06:15:11,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-12-02 06:15:12,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:12,601 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 58 treesize of output 28 [2024-12-02 06:15:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 252 proven. 72 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 06:15:12,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:15:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:15:14,342 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:15:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386794474] [2024-12-02 06:15:14,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386794474] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:15:14,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:15:14,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 26 [2024-12-02 06:15:14,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513258711] [2024-12-02 06:15:14,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:15:14,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:15:14,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:15:14,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:15:14,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:15:14,343 INFO L87 Difference]: Start difference. First operand 467 states and 531 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:16,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:16,864 INFO L93 Difference]: Finished difference Result 684 states and 774 transitions. [2024-12-02 06:15:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:15:16,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2024-12-02 06:15:16,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:16,867 INFO L225 Difference]: With dead ends: 684 [2024-12-02 06:15:16,867 INFO L226 Difference]: Without dead ends: 682 [2024-12-02 06:15:16,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2024-12-02 06:15:16,868 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 43 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:16,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1387 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:15:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-12-02 06:15:16,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 677. [2024-12-02 06:15:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 595 states have (on average 1.1058823529411765) internal successors, (658), 600 states have internal predecessors, (658), 54 states have call successors, (54), 27 states have call predecessors, (54), 27 states have return successors, (54), 49 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 06:15:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 766 transitions. [2024-12-02 06:15:16,963 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 766 transitions. Word has length 158 [2024-12-02 06:15:16,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:16,963 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 766 transitions. [2024-12-02 06:15:16,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:15:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 766 transitions. [2024-12-02 06:15:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:15:16,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:16,965 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:16,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:17,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:17,166 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:17,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:17,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1380860114, now seen corresponding path program 1 times [2024-12-02 06:15:17,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:17,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601182649] [2024-12-02 06:15:17,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:17,167 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 [2024-12-02 06:15:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:17,168 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:17,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:17,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:15:17,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:15:17,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 06:15:17,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2024-12-02 06:15:19,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:19,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 [2024-12-02 06:15:19,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:19,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 33 [2024-12-02 06:15:20,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:20,194 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 60 treesize of output 30 [2024-12-02 06:15:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 158 proven. 84 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 06:15:20,237 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:15:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 84 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-12-02 06:15:21,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:15:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601182649] [2024-12-02 06:15:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601182649] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:15:21,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:15:21,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 16 [2024-12-02 06:15:21,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117321624] [2024-12-02 06:15:21,127 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:15:21,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:15:21,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:15:21,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:15:21,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:15:21,129 INFO L87 Difference]: Start difference. First operand 677 states and 766 transitions. Second operand has 16 states, 12 states have (on average 11.5) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 06:15:23,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:23,644 INFO L93 Difference]: Finished difference Result 1400 states and 1568 transitions. [2024-12-02 06:15:23,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 06:15:23,645 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 11.5) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 7 states have call successors, (34) Word has length 158 [2024-12-02 06:15:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:23,647 INFO L225 Difference]: With dead ends: 1400 [2024-12-02 06:15:23,647 INFO L226 Difference]: Without dead ends: 726 [2024-12-02 06:15:23,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:15:23,648 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:23,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 577 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 06:15:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-12-02 06:15:23,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 620. [2024-12-02 06:15:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 550 states have (on average 1.0981818181818181) internal successors, (604), 552 states have internal predecessors, (604), 42 states have call successors, (42), 27 states have call predecessors, (42), 27 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 06:15:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 688 transitions. [2024-12-02 06:15:23,732 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 688 transitions. Word has length 158 [2024-12-02 06:15:23,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:23,732 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 688 transitions. [2024-12-02 06:15:23,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 11.5) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 06:15:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 688 transitions. [2024-12-02 06:15:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:15:23,734 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:23,734 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:23,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 06:15:23,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:23,934 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:23,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash -466533806, now seen corresponding path program 1 times [2024-12-02 06:15:23,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:23,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575038157] [2024-12-02 06:15:23,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:23,935 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 [2024-12-02 06:15:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:23,937 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:23,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:24,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 06:15:24,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:15:24,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 06:15:24,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 34 [2024-12-02 06:15:27,131 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:27,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 62 treesize of output 37 [2024-12-02 06:15:27,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:15:27,261 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 70 treesize of output 34 [2024-12-02 06:15:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 160 proven. 84 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 06:15:27,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:15:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 84 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-12-02 06:15:28,101 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:15:28,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575038157] [2024-12-02 06:15:28,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575038157] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:15:28,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:15:28,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 18 [2024-12-02 06:15:28,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387320978] [2024-12-02 06:15:28,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:15:28,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:15:28,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:15:28,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:15:28,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:15:28,103 INFO L87 Difference]: Start difference. First operand 620 states and 688 transitions. Second operand has 18 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 06:15:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:15:30,781 INFO L93 Difference]: Finished difference Result 1122 states and 1244 transitions. [2024-12-02 06:15:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 06:15:30,782 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) Word has length 158 [2024-12-02 06:15:30,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:15:30,784 INFO L225 Difference]: With dead ends: 1122 [2024-12-02 06:15:30,784 INFO L226 Difference]: Without dead ends: 505 [2024-12-02 06:15:30,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2024-12-02 06:15:30,785 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 184 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:15:30,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 494 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 06:15:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-12-02 06:15:30,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 491. [2024-12-02 06:15:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 421 states have (on average 1.0902612826603326) internal successors, (459), 423 states have internal predecessors, (459), 42 states have call successors, (42), 27 states have call predecessors, (42), 27 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 06:15:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 543 transitions. [2024-12-02 06:15:30,872 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 543 transitions. Word has length 158 [2024-12-02 06:15:30,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:15:30,872 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 543 transitions. [2024-12-02 06:15:30,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 7 states have call successors, (34) [2024-12-02 06:15:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 543 transitions. [2024-12-02 06:15:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:15:30,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:15:30,873 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:15:30,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 06:15:31,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:15:31,074 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:15:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:15:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash 568955312, now seen corresponding path program 1 times [2024-12-02 06:15:31,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:15:31,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970023962] [2024-12-02 06:15:31,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:15:31,075 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 [2024-12-02 06:15:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:15:31,076 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:15:31,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:15:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:15:37,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:15:37,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:16:03,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:16:03,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 307 treesize of output 103 [2024-12-02 06:16:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 318 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 06:16:07,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:16:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:16:29,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:16:29,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970023962] [2024-12-02 06:16:29,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970023962] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:16:29,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:16:29,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-12-02 06:16:29,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537162063] [2024-12-02 06:16:29,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:16:29,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:16:29,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:16:29,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:16:29,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:16:29,236 INFO L87 Difference]: Start difference. First operand 491 states and 543 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:16:39,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:16:40,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:16:49,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:16:51,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:01,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:03,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:06,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:07,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:09,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:17:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:17:09,232 INFO L93 Difference]: Finished difference Result 1079 states and 1189 transitions. [2024-12-02 06:17:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:17:09,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2024-12-02 06:17:09,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:17:09,251 INFO L225 Difference]: With dead ends: 1079 [2024-12-02 06:17:09,251 INFO L226 Difference]: Without dead ends: 591 [2024-12-02 06:17:09,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:17:09,252 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 70 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:17:09,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 340 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 35.0s Time] [2024-12-02 06:17:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-12-02 06:17:09,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 476. [2024-12-02 06:17:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 406 states have (on average 1.0862068965517242) internal successors, (441), 408 states have internal predecessors, (441), 42 states have call successors, (42), 27 states have call predecessors, (42), 27 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 06:17:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 525 transitions. [2024-12-02 06:17:09,337 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 525 transitions. Word has length 158 [2024-12-02 06:17:09,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:17:09,337 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 525 transitions. [2024-12-02 06:17:09,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:17:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 525 transitions. [2024-12-02 06:17:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 06:17:09,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:17:09,338 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:17:09,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 06:17:09,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:17:09,539 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:17:09,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:17:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1553722352, now seen corresponding path program 1 times [2024-12-02 06:17:09,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:17:09,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055507980] [2024-12-02 06:17:09,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:17:09,539 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 [2024-12-02 06:17:09,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:17:09,541 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 06:17:09,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 06:17:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:17:18,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 06:17:18,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:17:48,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:17:48,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 308 treesize of output 104 [2024-12-02 06:17:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 318 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 06:17:51,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:18:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 06:18:20,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:18:20,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055507980] [2024-12-02 06:18:20,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055507980] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 06:18:20,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:18:20,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-12-02 06:18:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883488202] [2024-12-02 06:18:20,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:18:20,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:18:20,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:18:20,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:18:20,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:18:20,363 INFO L87 Difference]: Start difference. First operand 476 states and 525 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:18:30,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:32,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:34,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:37,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:39,062 WARN L539 Checker$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 [] [2024-12-02 06:18:45,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:53,626 WARN L539 Checker$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 [] [2024-12-02 06:18:54,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:58,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:18:59,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:19:01,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:19:08,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:19:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:19:08,155 INFO L93 Difference]: Finished difference Result 1013 states and 1113 transitions. [2024-12-02 06:19:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:19:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2024-12-02 06:19:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:19:08,174 INFO L225 Difference]: With dead ends: 1013 [2024-12-02 06:19:08,174 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:19:08,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:19:08,176 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 41 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:19:08,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 545 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 42.4s Time] [2024-12-02 06:19:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:19:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:19:08,176 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) [2024-12-02 06:19:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:19:08,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2024-12-02 06:19:08,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:19:08,177 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:19:08,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 06:19:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:19:08,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:19:08,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:19:08,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2024-12-02 06:19:08,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53143607-1093-49c8-9d02-fc5280f7cbae/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 06:19:08,382 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] [2024-12-02 06:19:08,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:19:15,556 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 248 DAG size of output: 245 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 06:19:21,920 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 224 DAG size of output: 223 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)