./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 03015dc15296b27011ea4abd50b336e0db146e7d4accd33e7d5903aad3a9693d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:18:06,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:18:07,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:18:07,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:18:07,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:18:07,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:18:07,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:18:07,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:18:07,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:18:07,085 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:18:07,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:18:07,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:18:07,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:18:07,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:18:07,086 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:18:07,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:18:07,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:18:07,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:18:07,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:18:07,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:18:07,087 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:18:07,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:18:07,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:18:07,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:18:07,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:18:07,089 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 -> 03015dc15296b27011ea4abd50b336e0db146e7d4accd33e7d5903aad3a9693d [2024-12-02 15:18:07,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:18:07,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:18:07,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:18:07,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:18:07,381 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:18:07,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:18:10,483 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/d11f7e0b3/95b7bf379aaf4bfbbfff85473992a8be/FLAGbd4371a39 [2024-12-02 15:18:10,699 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:18:10,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:18:10,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/d11f7e0b3/95b7bf379aaf4bfbbfff85473992a8be/FLAGbd4371a39 [2024-12-02 15:18:10,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/d11f7e0b3/95b7bf379aaf4bfbbfff85473992a8be [2024-12-02 15:18:10,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:18:10,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:18:10,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:18:10,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:18:10,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:18:10,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:10" (1/1) ... [2024-12-02 15:18:10,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0e3c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:10, skipping insertion in model container [2024-12-02 15:18:10,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:10" (1/1) ... [2024-12-02 15:18:10,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:18:10,884 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i[916,929] [2024-12-02 15:18:10,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:18:10,962 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:18:10,971 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i[916,929] [2024-12-02 15:18:11,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:18:11,041 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:18:11,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11 WrapperNode [2024-12-02 15:18:11,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:18:11,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:18:11,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:18:11,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:18:11,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,107 INFO L138 Inliner]: procedures = 30, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 560 [2024-12-02 15:18:11,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:18:11,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:18:11,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:18:11,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:18:11,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,132 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 15:18:11,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:18:11,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:18:11,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:18:11,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:18:11,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (1/1) ... [2024-12-02 15:18:11,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:18:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:18:11,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:18:11,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 15:18:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:18:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:18:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 15:18:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:18:11,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:18:11,357 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:18:11,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:18:12,046 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-12-02 15:18:12,046 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:18:12,059 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:18:12,059 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:18:12,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:12 BoogieIcfgContainer [2024-12-02 15:18:12,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:18:12,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:18:12,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:18:12,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:18:12,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:18:10" (1/3) ... [2024-12-02 15:18:12,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b97b9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:18:12, skipping insertion in model container [2024-12-02 15:18:12,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:11" (2/3) ... [2024-12-02 15:18:12,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b97b9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:18:12, skipping insertion in model container [2024-12-02 15:18:12,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:12" (3/3) ... [2024-12-02 15:18:12,070 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:18:12,083 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:18:12,085 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-14.i that has 2 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:18:12,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:18:12,150 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;@1f20b705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:18:12,150 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:18:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 105 states have internal predecessors, (148), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:12,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:12,165 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:12,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:12,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:12,170 INFO L85 PathProgramCache]: Analyzing trace with hash 774334680, now seen corresponding path program 1 times [2024-12-02 15:18:12,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:12,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439081444] [2024-12-02 15:18:12,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:12,550 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 15:18:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439081444] [2024-12-02 15:18:12,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439081444] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:18:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989987816] [2024-12-02 15:18:12,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:12,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:18:12,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:18:12,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:18:12,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:18:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:12,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:18:12,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 15:18:12,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:18:12,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989987816] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:12,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:18:12,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:18:12,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940917113] [2024-12-02 15:18:12,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:12,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:18:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:12,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:18:12,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:18:12,941 INFO L87 Difference]: Start difference. First operand has 128 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 105 states have internal predecessors, (148), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:12,976 INFO L93 Difference]: Finished difference Result 249 states and 395 transitions. [2024-12-02 15:18:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:18:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-12-02 15:18:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:12,983 INFO L225 Difference]: With dead ends: 249 [2024-12-02 15:18:12,983 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 15:18:12,987 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 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 15:18:12,990 INFO L435 NwaCegarLoop]: 183 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, 183 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 15:18:12,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 15:18:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-12-02 15:18:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.396039603960396) internal successors, (141), 101 states have internal predecessors, (141), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 183 transitions. [2024-12-02 15:18:13,040 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 183 transitions. Word has length 168 [2024-12-02 15:18:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:13,040 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 183 transitions. [2024-12-02 15:18:13,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 183 transitions. [2024-12-02 15:18:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:13,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:13,045 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:13,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:18:13,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:18:13,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:13,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:13,247 INFO L85 PathProgramCache]: Analyzing trace with hash -812687366, now seen corresponding path program 1 times [2024-12-02 15:18:13,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:13,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273235089] [2024-12-02 15:18:13,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:13,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:13,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273235089] [2024-12-02 15:18:13,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273235089] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:13,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:13,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:18:13,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796495137] [2024-12-02 15:18:13,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:13,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:18:13,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:13,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:18:13,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:18:13,668 INFO L87 Difference]: Start difference. First operand 124 states and 183 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:13,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:13,724 INFO L93 Difference]: Finished difference Result 247 states and 366 transitions. [2024-12-02 15:18:13,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:18:13,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-12-02 15:18:13,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:13,727 INFO L225 Difference]: With dead ends: 247 [2024-12-02 15:18:13,728 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 15:18:13,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:18:13,730 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:13,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 15:18:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-12-02 15:18:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 103 states have (on average 1.3883495145631068) internal successors, (143), 103 states have internal predecessors, (143), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 185 transitions. [2024-12-02 15:18:13,747 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 185 transitions. Word has length 168 [2024-12-02 15:18:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:13,750 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 185 transitions. [2024-12-02 15:18:13,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2024-12-02 15:18:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:13,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:13,754 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:13,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:18:13,755 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:13,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:13,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1052927112, now seen corresponding path program 1 times [2024-12-02 15:18:13,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:13,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32209069] [2024-12-02 15:18:13,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:13,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32209069] [2024-12-02 15:18:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32209069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:13,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:13,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:18:13,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127526461] [2024-12-02 15:18:13,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:13,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:18:13,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:13,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:18:13,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:18:13,972 INFO L87 Difference]: Start difference. First operand 126 states and 185 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:14,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:14,003 INFO L93 Difference]: Finished difference Result 250 states and 369 transitions. [2024-12-02 15:18:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:18:14,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:18:14,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:14,006 INFO L225 Difference]: With dead ends: 250 [2024-12-02 15:18:14,006 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 15:18:14,007 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 15:18:14,008 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:14,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 15:18:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-12-02 15:18:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.3846153846153846) internal successors, (144), 104 states have internal predecessors, (144), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 186 transitions. [2024-12-02 15:18:14,022 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 186 transitions. Word has length 168 [2024-12-02 15:18:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:14,023 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 186 transitions. [2024-12-02 15:18:14,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 186 transitions. [2024-12-02 15:18:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:14,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:14,026 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:14,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:18:14,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:14,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash -351862534, now seen corresponding path program 1 times [2024-12-02 15:18:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:14,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693119646] [2024-12-02 15:18:14,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 15:18:14,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:14,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693119646] [2024-12-02 15:18:14,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693119646] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:18:14,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934593245] [2024-12-02 15:18:14,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:14,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:18:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:18:14,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:18:14,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:18:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:14,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:18:14,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:14,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:18:14,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934593245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:14,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:18:14,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-12-02 15:18:14,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477881937] [2024-12-02 15:18:14,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:14,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:18:14,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:14,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:18:14,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:14,730 INFO L87 Difference]: Start difference. First operand 127 states and 186 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:14,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:14,761 INFO L93 Difference]: Finished difference Result 253 states and 372 transitions. [2024-12-02 15:18:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:18:14,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:18:14,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:14,763 INFO L225 Difference]: With dead ends: 253 [2024-12-02 15:18:14,763 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 15:18:14,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:14,765 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:14,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:14,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 15:18:14,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-12-02 15:18:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 188 transitions. [2024-12-02 15:18:14,776 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 188 transitions. Word has length 168 [2024-12-02 15:18:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:14,777 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 188 transitions. [2024-12-02 15:18:14,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 188 transitions. [2024-12-02 15:18:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:14,780 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:14,780 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:14,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:18:14,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:18:14,981 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:14,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:14,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1311092550, now seen corresponding path program 1 times [2024-12-02 15:18:14,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:14,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663893317] [2024-12-02 15:18:14,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:14,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:15,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:15,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663893317] [2024-12-02 15:18:15,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663893317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:15,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:15,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:18:15,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104984823] [2024-12-02 15:18:15,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:15,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:18:15,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:15,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:18:15,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:15,712 INFO L87 Difference]: Start difference. First operand 129 states and 188 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:16,300 INFO L93 Difference]: Finished difference Result 363 states and 529 transitions. [2024-12-02 15:18:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:18:16,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:18:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:16,304 INFO L225 Difference]: With dead ends: 363 [2024-12-02 15:18:16,304 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 15:18:16,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:16,305 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 134 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:16,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 876 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:18:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 15:18:16,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 132. [2024-12-02 15:18:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 109 states have (on average 1.385321100917431) internal successors, (151), 109 states have internal predecessors, (151), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 193 transitions. [2024-12-02 15:18:16,320 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 193 transitions. Word has length 168 [2024-12-02 15:18:16,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:16,321 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 193 transitions. [2024-12-02 15:18:16,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2024-12-02 15:18:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:16,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:16,324 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:16,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:18:16,324 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:16,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:16,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1972757496, now seen corresponding path program 1 times [2024-12-02 15:18:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:16,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13205561] [2024-12-02 15:18:16,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:16,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:17,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13205561] [2024-12-02 15:18:17,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13205561] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:17,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:17,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:18:17,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796246313] [2024-12-02 15:18:17,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:17,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:18:17,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:17,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:18:17,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:17,239 INFO L87 Difference]: Start difference. First operand 132 states and 193 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:17,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:17,926 INFO L93 Difference]: Finished difference Result 262 states and 385 transitions. [2024-12-02 15:18:17,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:18:17,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:18:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:17,929 INFO L225 Difference]: With dead ends: 262 [2024-12-02 15:18:17,929 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 15:18:17,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:17,930 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 164 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:17,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 258 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:17,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 15:18:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-12-02 15:18:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.3818181818181818) internal successors, (152), 110 states have internal predecessors, (152), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 194 transitions. [2024-12-02 15:18:17,944 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 194 transitions. Word has length 168 [2024-12-02 15:18:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:17,945 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 194 transitions. [2024-12-02 15:18:17,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2024-12-02 15:18:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:18:17,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:17,947 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:17,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:18:17,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:17,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:17,948 INFO L85 PathProgramCache]: Analyzing trace with hash 692893818, now seen corresponding path program 1 times [2024-12-02 15:18:17,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:17,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62389688] [2024-12-02 15:18:17,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:17,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:18,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:18,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62389688] [2024-12-02 15:18:18,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62389688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:18,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:18,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:18:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20106434] [2024-12-02 15:18:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:18,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:18:18,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:18,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:18:18,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:18:18,503 INFO L87 Difference]: Start difference. First operand 133 states and 194 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:19,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:19,233 INFO L93 Difference]: Finished difference Result 380 states and 555 transitions. [2024-12-02 15:18:19,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:18:19,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:18:19,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:19,235 INFO L225 Difference]: With dead ends: 380 [2024-12-02 15:18:19,235 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 15:18:19,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:18:19,237 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 381 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:19,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 348 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:19,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 15:18:19,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 130. [2024-12-02 15:18:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.3644859813084111) internal successors, (146), 107 states have internal predecessors, (146), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 188 transitions. [2024-12-02 15:18:19,251 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 188 transitions. Word has length 168 [2024-12-02 15:18:19,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:19,251 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 188 transitions. [2024-12-02 15:18:19,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 188 transitions. [2024-12-02 15:18:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:18:19,253 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:19,253 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:19,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:18:19,254 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:19,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:19,254 INFO L85 PathProgramCache]: Analyzing trace with hash -353407885, now seen corresponding path program 1 times [2024-12-02 15:18:19,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:19,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236617987] [2024-12-02 15:18:19,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:19,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:19,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236617987] [2024-12-02 15:18:19,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236617987] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:19,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:19,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:18:19,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687708141] [2024-12-02 15:18:19,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:19,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:18:19,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:19,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:18:19,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:18:19,894 INFO L87 Difference]: Start difference. First operand 130 states and 188 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:20,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:20,666 INFO L93 Difference]: Finished difference Result 376 states and 546 transitions. [2024-12-02 15:18:20,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:18:20,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 170 [2024-12-02 15:18:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:20,670 INFO L225 Difference]: With dead ends: 376 [2024-12-02 15:18:20,670 INFO L226 Difference]: Without dead ends: 247 [2024-12-02 15:18:20,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:18:20,671 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 312 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:20,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 453 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:18:20,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-12-02 15:18:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 130. [2024-12-02 15:18:20,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:18:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 185 transitions. [2024-12-02 15:18:20,686 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 185 transitions. Word has length 170 [2024-12-02 15:18:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:20,687 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 185 transitions. [2024-12-02 15:18:20,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2024-12-02 15:18:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:18:20,689 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:20,689 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:20,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:18:20,690 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:20,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1244515379, now seen corresponding path program 1 times [2024-12-02 15:18:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:20,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602859977] [2024-12-02 15:18:20,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:20,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 15:18:22,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602859977] [2024-12-02 15:18:22,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602859977] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:18:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065045687] [2024-12-02 15:18:22,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:22,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:18:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:18:22,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:18:22,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:18:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:23,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-02 15:18:23,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:18:23,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 84 [2024-12-02 15:18:24,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 114 [2024-12-02 15:18:24,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-12-02 15:18:25,134 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 15:18:25,214 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 15:18:25,285 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 15:18:25,386 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 15:18:25,450 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 15:18:25,510 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 15:18:25,609 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 131 treesize of output 101 [2024-12-02 15:18:25,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:18:25,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 123 [2024-12-02 15:18:25,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 37 [2024-12-02 15:18:25,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:18:25,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 147 treesize of output 92 [2024-12-02 15:18:25,994 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 186 treesize of output 146 [2024-12-02 15:18:26,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:18:26,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 146 treesize of output 162 [2024-12-02 15:18:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 15:18:26,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:18:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 15:18:26,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065045687] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:18:26,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:18:26,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 22 [2024-12-02 15:18:26,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652264769] [2024-12-02 15:18:26,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:18:26,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 15:18:26,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:26,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 15:18:26,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:18:26,791 INFO L87 Difference]: Start difference. First operand 130 states and 185 transitions. Second operand has 22 states, 19 states have (on average 9.105263157894736) internal successors, (173), 22 states have internal predecessors, (173), 9 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 9 states have call successors, (63) [2024-12-02 15:18:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:30,751 INFO L93 Difference]: Finished difference Result 603 states and 837 transitions. [2024-12-02 15:18:30,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-02 15:18:30,752 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 9.105263157894736) internal successors, (173), 22 states have internal predecessors, (173), 9 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 9 states have call successors, (63) Word has length 170 [2024-12-02 15:18:30,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:30,755 INFO L225 Difference]: With dead ends: 603 [2024-12-02 15:18:30,755 INFO L226 Difference]: Without dead ends: 476 [2024-12-02 15:18:30,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 336 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080 [2024-12-02 15:18:30,756 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1603 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:30,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 876 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 15:18:30,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-12-02 15:18:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 402. [2024-12-02 15:18:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 341 states have (on average 1.313782991202346) internal successors, (448), 343 states have internal predecessors, (448), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:18:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 556 transitions. [2024-12-02 15:18:30,805 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 556 transitions. Word has length 170 [2024-12-02 15:18:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:30,805 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 556 transitions. [2024-12-02 15:18:30,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 9.105263157894736) internal successors, (173), 22 states have internal predecessors, (173), 9 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 9 states have call successors, (63) [2024-12-02 15:18:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 556 transitions. [2024-12-02 15:18:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:18:30,808 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:30,808 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:30,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:18:31,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:18:31,009 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:31,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1332143155, now seen corresponding path program 1 times [2024-12-02 15:18:31,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:31,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873113819] [2024-12-02 15:18:31,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:31,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:33,434 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:33,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:33,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873113819] [2024-12-02 15:18:33,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873113819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:33,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:33,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:33,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39047857] [2024-12-02 15:18:33,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:33,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:33,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:33,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:33,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:33,436 INFO L87 Difference]: Start difference. First operand 402 states and 556 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:35,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:35,305 INFO L93 Difference]: Finished difference Result 1265 states and 1712 transitions. [2024-12-02 15:18:35,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 15:18:35,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 170 [2024-12-02 15:18:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:35,310 INFO L225 Difference]: With dead ends: 1265 [2024-12-02 15:18:35,310 INFO L226 Difference]: Without dead ends: 866 [2024-12-02 15:18:35,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:18:35,313 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 877 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:35,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 675 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 15:18:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-12-02 15:18:35,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 462. [2024-12-02 15:18:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 401 states have (on average 1.2917705735660847) internal successors, (518), 403 states have internal predecessors, (518), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:18:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 626 transitions. [2024-12-02 15:18:35,359 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 626 transitions. Word has length 170 [2024-12-02 15:18:35,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:35,360 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 626 transitions. [2024-12-02 15:18:35,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 626 transitions. [2024-12-02 15:18:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:18:35,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:35,362 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:35,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:18:35,362 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:35,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:35,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1550997873, now seen corresponding path program 1 times [2024-12-02 15:18:35,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:35,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671149513] [2024-12-02 15:18:35,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:35,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:35,468 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:35,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:35,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671149513] [2024-12-02 15:18:35,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671149513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:35,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:35,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:18:35,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626345303] [2024-12-02 15:18:35,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:35,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:18:35,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:35,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:18:35,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:18:35,470 INFO L87 Difference]: Start difference. First operand 462 states and 626 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:35,518 INFO L93 Difference]: Finished difference Result 908 states and 1239 transitions. [2024-12-02 15:18:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:18:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 170 [2024-12-02 15:18:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:35,521 INFO L225 Difference]: With dead ends: 908 [2024-12-02 15:18:35,521 INFO L226 Difference]: Without dead ends: 449 [2024-12-02 15:18:35,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:18:35,523 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:35,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 531 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:18:35,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-12-02 15:18:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-12-02 15:18:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 388 states have (on average 1.288659793814433) internal successors, (500), 390 states have internal predecessors, (500), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 52 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 15:18:35,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 608 transitions. [2024-12-02 15:18:35,561 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 608 transitions. Word has length 170 [2024-12-02 15:18:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:35,561 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 608 transitions. [2024-12-02 15:18:35,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 608 transitions. [2024-12-02 15:18:35,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:18:35,562 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:35,563 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:35,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:18:35,563 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:35,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:35,563 INFO L85 PathProgramCache]: Analyzing trace with hash -130573131, now seen corresponding path program 1 times [2024-12-02 15:18:35,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:35,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416066803] [2024-12-02 15:18:35,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:35,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:35,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416066803] [2024-12-02 15:18:35,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416066803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:35,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:35,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:18:35,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993456381] [2024-12-02 15:18:35,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:35,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:18:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:35,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:18:35,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:18:35,866 INFO L87 Difference]: Start difference. First operand 449 states and 608 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:36,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:36,270 INFO L93 Difference]: Finished difference Result 1238 states and 1683 transitions. [2024-12-02 15:18:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:18:36,271 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 172 [2024-12-02 15:18:36,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:36,275 INFO L225 Difference]: With dead ends: 1238 [2024-12-02 15:18:36,275 INFO L226 Difference]: Without dead ends: 792 [2024-12-02 15:18:36,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:36,277 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 158 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:36,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 470 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:18:36,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-12-02 15:18:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 541. [2024-12-02 15:18:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 456 states have (on average 1.2719298245614035) internal successors, (580), 459 states have internal predecessors, (580), 75 states have call successors, (75), 9 states have call predecessors, (75), 9 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 15:18:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 730 transitions. [2024-12-02 15:18:36,354 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 730 transitions. Word has length 172 [2024-12-02 15:18:36,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:36,354 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 730 transitions. [2024-12-02 15:18:36,355 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 730 transitions. [2024-12-02 15:18:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:18:36,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:36,356 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:36,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:18:36,357 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:36,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:36,357 INFO L85 PathProgramCache]: Analyzing trace with hash -42945355, now seen corresponding path program 1 times [2024-12-02 15:18:36,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:36,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969899819] [2024-12-02 15:18:36,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:36,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:39,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:39,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969899819] [2024-12-02 15:18:39,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969899819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:39,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:39,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:18:39,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277086293] [2024-12-02 15:18:39,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:39,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:18:39,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:39,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:18:39,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:18:39,039 INFO L87 Difference]: Start difference. First operand 541 states and 730 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:39,788 INFO L93 Difference]: Finished difference Result 1009 states and 1357 transitions. [2024-12-02 15:18:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:18:39,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 172 [2024-12-02 15:18:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:39,791 INFO L225 Difference]: With dead ends: 1009 [2024-12-02 15:18:39,791 INFO L226 Difference]: Without dead ends: 548 [2024-12-02 15:18:39,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:18:39,793 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 77 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:39,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 694 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:39,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-12-02 15:18:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 503. [2024-12-02 15:18:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 418 states have (on average 1.284688995215311) internal successors, (537), 421 states have internal predecessors, (537), 75 states have call successors, (75), 9 states have call predecessors, (75), 9 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 15:18:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 687 transitions. [2024-12-02 15:18:39,838 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 687 transitions. Word has length 172 [2024-12-02 15:18:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:39,839 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 687 transitions. [2024-12-02 15:18:39,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 687 transitions. [2024-12-02 15:18:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 15:18:39,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:39,840 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:39,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:18:39,840 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:39,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2076672266, now seen corresponding path program 1 times [2024-12-02 15:18:39,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:39,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628846750] [2024-12-02 15:18:39,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:41,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:41,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628846750] [2024-12-02 15:18:41,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628846750] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:41,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:41,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:18:41,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459913302] [2024-12-02 15:18:41,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:41,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:18:41,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:41,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:18:41,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:41,330 INFO L87 Difference]: Start difference. First operand 503 states and 687 transitions. Second operand has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:42,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:42,174 INFO L93 Difference]: Finished difference Result 942 states and 1279 transitions. [2024-12-02 15:18:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:18:42,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) Word has length 175 [2024-12-02 15:18:42,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:42,179 INFO L225 Difference]: With dead ends: 942 [2024-12-02 15:18:42,179 INFO L226 Difference]: Without dead ends: 519 [2024-12-02 15:18:42,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:18:42,181 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 68 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:42,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 993 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:18:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-12-02 15:18:42,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 465. [2024-12-02 15:18:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 391 states have (on average 1.2736572890025575) internal successors, (498), 394 states have internal predecessors, (498), 64 states have call successors, (64), 9 states have call predecessors, (64), 9 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 15:18:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 626 transitions. [2024-12-02 15:18:42,250 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 626 transitions. Word has length 175 [2024-12-02 15:18:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:42,250 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 626 transitions. [2024-12-02 15:18:42,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.125) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 626 transitions. [2024-12-02 15:18:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:42,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:42,251 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:42,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:18:42,251 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:42,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash 754401480, now seen corresponding path program 1 times [2024-12-02 15:18:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692806101] [2024-12-02 15:18:42,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692806101] [2024-12-02 15:18:43,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692806101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:43,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:43,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:18:43,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472664703] [2024-12-02 15:18:43,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:43,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:18:43,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:43,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:18:43,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:43,476 INFO L87 Difference]: Start difference. First operand 465 states and 626 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:43,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:43,942 INFO L93 Difference]: Finished difference Result 780 states and 1034 transitions. [2024-12-02 15:18:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:18:43,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 177 [2024-12-02 15:18:43,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:43,949 INFO L225 Difference]: With dead ends: 780 [2024-12-02 15:18:43,949 INFO L226 Difference]: Without dead ends: 778 [2024-12-02 15:18:43,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:18:43,950 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 65 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:43,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 921 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-12-02 15:18:44,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 774. [2024-12-02 15:18:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 668 states have (on average 1.2604790419161678) internal successors, (842), 675 states have internal predecessors, (842), 92 states have call successors, (92), 13 states have call predecessors, (92), 13 states have return successors, (92), 85 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:18:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1026 transitions. [2024-12-02 15:18:44,053 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1026 transitions. Word has length 177 [2024-12-02 15:18:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:44,054 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1026 transitions. [2024-12-02 15:18:44,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:18:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1026 transitions. [2024-12-02 15:18:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:44,055 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:44,056 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:44,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:18:44,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:44,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:44,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1488434106, now seen corresponding path program 1 times [2024-12-02 15:18:44,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:44,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605206740] [2024-12-02 15:18:44,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605206740] [2024-12-02 15:18:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605206740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:45,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:45,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:18:45,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25444156] [2024-12-02 15:18:45,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:45,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:18:45,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:45,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:18:45,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:18:45,614 INFO L87 Difference]: Start difference. First operand 774 states and 1026 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:46,065 INFO L93 Difference]: Finished difference Result 1542 states and 2036 transitions. [2024-12-02 15:18:46,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:18:46,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2024-12-02 15:18:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:46,068 INFO L225 Difference]: With dead ends: 1542 [2024-12-02 15:18:46,069 INFO L226 Difference]: Without dead ends: 800 [2024-12-02 15:18:46,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:46,070 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 46 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:46,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 589 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:18:46,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-12-02 15:18:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 798. [2024-12-02 15:18:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 687 states have (on average 1.2532751091703056) internal successors, (861), 694 states have internal predecessors, (861), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 85 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:18:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1045 transitions. [2024-12-02 15:18:46,139 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1045 transitions. Word has length 177 [2024-12-02 15:18:46,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:46,140 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1045 transitions. [2024-12-02 15:18:46,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1045 transitions. [2024-12-02 15:18:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:46,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:46,142 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:46,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:18:46,142 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:46,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:46,142 INFO L85 PathProgramCache]: Analyzing trace with hash -787369528, now seen corresponding path program 1 times [2024-12-02 15:18:46,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:46,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50336449] [2024-12-02 15:18:46,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:46,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:47,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:47,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50336449] [2024-12-02 15:18:47,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50336449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:47,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:47,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:18:47,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987714590] [2024-12-02 15:18:47,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:47,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:18:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:47,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:18:47,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:18:47,603 INFO L87 Difference]: Start difference. First operand 798 states and 1045 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:48,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:48,266 INFO L93 Difference]: Finished difference Result 1808 states and 2366 transitions. [2024-12-02 15:18:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:18:48,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2024-12-02 15:18:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:48,272 INFO L225 Difference]: With dead ends: 1808 [2024-12-02 15:18:48,272 INFO L226 Difference]: Without dead ends: 1046 [2024-12-02 15:18:48,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:48,274 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 136 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:48,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 724 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-12-02 15:18:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 944. [2024-12-02 15:18:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 833 states have (on average 1.2376950780312126) internal successors, (1031), 840 states have internal predecessors, (1031), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 85 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 15:18:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1215 transitions. [2024-12-02 15:18:48,360 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1215 transitions. Word has length 177 [2024-12-02 15:18:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:48,361 INFO L471 AbstractCegarLoop]: Abstraction has 944 states and 1215 transitions. [2024-12-02 15:18:48,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1215 transitions. [2024-12-02 15:18:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:48,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:48,362 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:48,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:18:48,363 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:48,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:48,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1374175542, now seen corresponding path program 1 times [2024-12-02 15:18:48,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:48,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764834191] [2024-12-02 15:18:48,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:48,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:49,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:49,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764834191] [2024-12-02 15:18:49,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764834191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:49,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:49,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:18:49,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50031078] [2024-12-02 15:18:49,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:49,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:18:49,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:49,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:18:49,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:18:49,736 INFO L87 Difference]: Start difference. First operand 944 states and 1215 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:51,509 INFO L93 Difference]: Finished difference Result 2237 states and 2893 transitions. [2024-12-02 15:18:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:18:51,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 177 [2024-12-02 15:18:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:51,517 INFO L225 Difference]: With dead ends: 2237 [2024-12-02 15:18:51,518 INFO L226 Difference]: Without dead ends: 1329 [2024-12-02 15:18:51,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:51,519 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 824 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:51,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 641 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 15:18:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-12-02 15:18:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1046. [2024-12-02 15:18:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 918 states have (on average 1.2298474945533768) internal successors, (1129), 924 states have internal predecessors, (1129), 105 states have call successors, (105), 22 states have call predecessors, (105), 22 states have return successors, (105), 99 states have call predecessors, (105), 105 states have call successors, (105) [2024-12-02 15:18:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1339 transitions. [2024-12-02 15:18:51,627 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1339 transitions. Word has length 177 [2024-12-02 15:18:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:51,627 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1339 transitions. [2024-12-02 15:18:51,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1339 transitions. [2024-12-02 15:18:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:51,629 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:51,629 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:51,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:18:51,629 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:51,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:51,630 INFO L85 PathProgramCache]: Analyzing trace with hash 871614276, now seen corresponding path program 1 times [2024-12-02 15:18:51,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837544654] [2024-12-02 15:18:51,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:51,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:52,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:52,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837544654] [2024-12-02 15:18:52,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837544654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:52,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:52,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:18:52,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770476356] [2024-12-02 15:18:52,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:52,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:18:52,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:52,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:18:52,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:18:52,935 INFO L87 Difference]: Start difference. First operand 1046 states and 1339 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:53,641 INFO L93 Difference]: Finished difference Result 2225 states and 2857 transitions. [2024-12-02 15:18:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:18:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2024-12-02 15:18:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:53,646 INFO L225 Difference]: With dead ends: 2225 [2024-12-02 15:18:53,646 INFO L226 Difference]: Without dead ends: 1182 [2024-12-02 15:18:53,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:18:53,648 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 46 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:53,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 724 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:18:53,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2024-12-02 15:18:53,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1176. [2024-12-02 15:18:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1036 states have (on average 1.2345559845559846) internal successors, (1279), 1046 states have internal predecessors, (1279), 113 states have call successors, (113), 26 states have call predecessors, (113), 26 states have return successors, (113), 103 states have call predecessors, (113), 113 states have call successors, (113) [2024-12-02 15:18:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1505 transitions. [2024-12-02 15:18:53,800 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1505 transitions. Word has length 177 [2024-12-02 15:18:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:53,800 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1505 transitions. [2024-12-02 15:18:53,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1505 transitions. [2024-12-02 15:18:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:53,802 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:53,802 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:53,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:18:53,803 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:53,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1500124986, now seen corresponding path program 1 times [2024-12-02 15:18:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:53,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510890721] [2024-12-02 15:18:53,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:53,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:55,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:55,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510890721] [2024-12-02 15:18:55,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510890721] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:55,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:55,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:18:55,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126545797] [2024-12-02 15:18:55,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:55,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:18:55,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:55,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:18:55,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:18:55,342 INFO L87 Difference]: Start difference. First operand 1176 states and 1505 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:55,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:55,873 INFO L93 Difference]: Finished difference Result 2555 states and 3269 transitions. [2024-12-02 15:18:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:18:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2024-12-02 15:18:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:55,879 INFO L225 Difference]: With dead ends: 2555 [2024-12-02 15:18:55,879 INFO L226 Difference]: Without dead ends: 1382 [2024-12-02 15:18:55,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:18:55,881 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 124 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:55,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 889 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:18:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-12-02 15:18:56,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1275. [2024-12-02 15:18:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1135 states have (on average 1.2237885462555067) internal successors, (1389), 1145 states have internal predecessors, (1389), 113 states have call successors, (113), 26 states have call predecessors, (113), 26 states have return successors, (113), 103 states have call predecessors, (113), 113 states have call successors, (113) [2024-12-02 15:18:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1615 transitions. [2024-12-02 15:18:56,022 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1615 transitions. Word has length 177 [2024-12-02 15:18:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:56,022 INFO L471 AbstractCegarLoop]: Abstraction has 1275 states and 1615 transitions. [2024-12-02 15:18:56,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:18:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1615 transitions. [2024-12-02 15:18:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:18:56,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:56,024 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:56,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:18:56,024 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:56,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:56,025 INFO L85 PathProgramCache]: Analyzing trace with hash -113921592, now seen corresponding path program 1 times [2024-12-02 15:18:56,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:56,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365707411] [2024-12-02 15:18:56,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:56,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:18:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:18:57,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:18:57,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365707411] [2024-12-02 15:18:57,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365707411] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:18:57,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:18:57,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:18:57,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524589917] [2024-12-02 15:18:57,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:18:57,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:18:57,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:18:57,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:18:57,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:18:57,524 INFO L87 Difference]: Start difference. First operand 1275 states and 1615 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:18:59,170 INFO L93 Difference]: Finished difference Result 2814 states and 3576 transitions. [2024-12-02 15:18:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:18:59,170 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 177 [2024-12-02 15:18:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:18:59,175 INFO L225 Difference]: With dead ends: 2814 [2024-12-02 15:18:59,175 INFO L226 Difference]: Without dead ends: 1542 [2024-12-02 15:18:59,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-12-02 15:18:59,177 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 804 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:18:59,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 528 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 15:18:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-12-02 15:18:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1272. [2024-12-02 15:18:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1132 states have (on average 1.221731448763251) internal successors, (1383), 1142 states have internal predecessors, (1383), 113 states have call successors, (113), 26 states have call predecessors, (113), 26 states have return successors, (113), 103 states have call predecessors, (113), 113 states have call successors, (113) [2024-12-02 15:18:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1609 transitions. [2024-12-02 15:18:59,266 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1609 transitions. Word has length 177 [2024-12-02 15:18:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:18:59,267 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1609 transitions. [2024-12-02 15:18:59,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-12-02 15:18:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1609 transitions. [2024-12-02 15:18:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 15:18:59,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:18:59,268 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:59,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:18:59,268 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:18:59,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:18:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1813063538, now seen corresponding path program 1 times [2024-12-02 15:18:59,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:18:59,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229325944] [2024-12-02 15:18:59,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:18:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:18:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:18:59,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:18:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:18:59,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:18:59,487 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:18:59,488 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:18:59,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:18:59,493 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] [2024-12-02 15:18:59,559 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:18:59,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:18:59 BoogieIcfgContainer [2024-12-02 15:18:59,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:18:59,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:18:59,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:18:59,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:18:59,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:12" (3/4) ... [2024-12-02 15:18:59,566 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:18:59,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:18:59,568 INFO L158 Benchmark]: Toolchain (without parser) took 48840.67ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 91.9MB in the beginning and 356.4MB in the end (delta: -264.4MB). Peak memory consumption was 444.7MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,568 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:18:59,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.81ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,568 INFO L158 Benchmark]: Boogie Preprocessor took 67.45ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 66.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:18:59,569 INFO L158 Benchmark]: RCFGBuilder took 883.52ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 74.5MB in the end (delta: -8.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,569 INFO L158 Benchmark]: TraceAbstraction took 47500.65ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 73.6MB in the beginning and 356.5MB in the end (delta: -282.8MB). Peak memory consumption was 413.9MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,569 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 822.1MB. Free memory was 356.5MB in the beginning and 356.4MB in the end (delta: 111.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:18:59,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.81ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 69.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.45ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 66.0MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.52ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 74.5MB in the end (delta: -8.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 47500.65ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 73.6MB in the beginning and 356.5MB in the end (delta: -282.8MB). Peak memory consumption was 413.9MB. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 822.1MB. Free memory was 356.5MB in the beginning and 356.4MB in the end (delta: 111.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 117. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 1000000, 0, 1, -64, -64, 10, 8, 0, 1, 0, 2, 32.25, 15.5, 256.25, 8.6, 57581 }; [L59] unsigned char last_1_WrapperStruct00_var_1_9 = 0; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_9=0] [L130] isInitial = 1 [L131] FCALL initially() [L133] CALL updateLastVariables() [L123] EXPR WrapperStruct00.var_1_9 [L123] last_1_WrapperStruct00_var_1_9 = WrapperStruct00.var_1_9 [L133] RET updateLastVariables() [L134] CALL updateVariables() [L88] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L90] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L94] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L95] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L96] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L97] WrapperStruct00.var_1_7 = __VERIFIER_nondet_short() [L98] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L99] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L100] WrapperStruct00.var_1_8 = __VERIFIER_nondet_short() [L101] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L102] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 32766) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 32766) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L103] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L104] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L105] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L106] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L107] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L108] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L109] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L110] EXPR WrapperStruct00.var_1_13 [L110] EXPR WrapperStruct00.var_1_13 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L110] EXPR WrapperStruct00.var_1_13 [L110] EXPR WrapperStruct00.var_1_13 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L110] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L110] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L110] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L111] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L112] EXPR WrapperStruct00.var_1_14 [L112] EXPR WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L112] EXPR WrapperStruct00.var_1_14 [L112] EXPR WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L112] EXPR (WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L112] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L112] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L113] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_14 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_14 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L114] WrapperStruct00.var_1_15 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L115] EXPR (WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L115] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L116] WrapperStruct00.var_1_16 = __VERIFIER_nondet_double() [L117] EXPR WrapperStruct00.var_1_16 [L117] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L117] EXPR WrapperStruct00.var_1_16 [L117] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L117] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L117] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L117] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L118] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L120] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L120] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L134] RET updateVariables() [L135] CALL step() [L63] COND FALSE !(\read(last_1_WrapperStruct00_var_1_9)) [L66] EXPR WrapperStruct00.var_1_7 [L66] EXPR WrapperStruct00.var_1_8 [L66] WrapperStruct00.var_1_5 = ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8) [L68] EXPR WrapperStruct00.var_1_13 [L68] EXPR WrapperStruct00.var_1_14 [L68] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L68] COND TRUE (WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15 [L69] EXPR WrapperStruct00.var_1_16 [L69] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L69] COND TRUE (WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14 [L70] EXPR WrapperStruct00.var_1_17 [L70] EXPR WrapperStruct00.var_1_7 [L70] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7) [L77] EXPR WrapperStruct00.var_1_5 [L77] EXPR WrapperStruct00.var_1_12 [L77] EXPR (WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2 [L77] EXPR WrapperStruct00.var_1_2 [L77] EXPR (WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L77] ((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3 [L77] EXPR WrapperStruct00.var_1_3 [L77] ((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L77] COND TRUE ((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3 [L78] EXPR WrapperStruct00.var_1_10 [L78] WrapperStruct00.var_1_9 = (! WrapperStruct00.var_1_10) [L82] EXPR WrapperStruct00.var_1_9 [L82] unsigned char stepLocal_0 = WrapperStruct00.var_1_9; [L83] stepLocal_0 && WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L83] COND FALSE !(stepLocal_0 && WrapperStruct00.var_1_9) [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR WrapperStruct00.var_1_9 [L126] EXPR WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR (WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))) [L126] EXPR WrapperStruct00.var_1_5 [L126] EXPR WrapperStruct00.var_1_7 [L126] EXPR WrapperStruct00.var_1_8 [L126] EXPR last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR (((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))))) && ((((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10))))) [L126] EXPR WrapperStruct00.var_1_5 [L126] EXPR WrapperStruct00.var_1_12 [L126] EXPR (WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2 [L126] EXPR WrapperStruct00.var_1_2 [L126] EXPR (WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3 [L126] EXPR WrapperStruct00.var_1_3 [L126] EXPR ((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR (((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10)))) [L126] EXPR WrapperStruct00.var_1_9 [L126] EXPR WrapperStruct00.var_1_10 [L126] EXPR (((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR (((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))))) && ((((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))))) && ((((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15) ? (((WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_12 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_12 == ((unsigned short int) ((((WrapperStruct00.var_1_7) > (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_7) : (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))))))) : (WrapperStruct00.var_1_12 == ((unsigned short int) WrapperStruct00.var_1_8))) [L126] EXPR WrapperStruct00.var_1_13 [L126] EXPR WrapperStruct00.var_1_14 [L126] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15) ? (((WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_12 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_12 == ((unsigned short int) ((((WrapperStruct00.var_1_7) > (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_7) : (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))))))) : (WrapperStruct00.var_1_12 == ((unsigned short int) WrapperStruct00.var_1_8)) [L126] EXPR WrapperStruct00.var_1_12 [L126] EXPR WrapperStruct00.var_1_8 [L126] EXPR ((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15) ? (((WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_12 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_12 == ((unsigned short int) ((((WrapperStruct00.var_1_7) > (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_7) : (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))))))) : (WrapperStruct00.var_1_12 == ((unsigned short int) WrapperStruct00.var_1_8)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126] EXPR ((((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))))) && ((((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15) ? (((WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_12 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_12 == ((unsigned short int) ((((WrapperStruct00.var_1_7) > (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_7) : (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))))))) : (WrapperStruct00.var_1_12 == ((unsigned short int) WrapperStruct00.var_1_8))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L126-L127] return ((((WrapperStruct00.var_1_9 && WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_1 == ((signed long int) WrapperStruct00.var_1_5)) : 1) && (last_1_WrapperStruct00_var_1_9 ? (WrapperStruct00.var_1_5 == ((signed short int) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_5 == ((signed short int) ((WrapperStruct00.var_1_7 + 16) - WrapperStruct00.var_1_8))))) && ((((WrapperStruct00.var_1_5 >= WrapperStruct00.var_1_12) && WrapperStruct00.var_1_2) && WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_9 == ((unsigned char) (! WrapperStruct00.var_1_10))) : (WrapperStruct00.var_1_9 == ((unsigned char) (! (WrapperStruct00.var_1_11 || WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_13 / WrapperStruct00.var_1_14) <= WrapperStruct00.var_1_15) ? (((WrapperStruct00.var_1_16 - 2.3) > WrapperStruct00.var_1_14) ? (WrapperStruct00.var_1_12 == ((unsigned short int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_7))) : (WrapperStruct00.var_1_12 == ((unsigned short int) ((((WrapperStruct00.var_1_7) > (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))) ? (WrapperStruct00.var_1_7) : (((((WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) < 0 ) ? -(WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_8))))))))) : (WrapperStruct00.var_1_12 == ((unsigned short int) WrapperStruct00.var_1_8))) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.4s, OverallIterations: 22, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5828 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5819 mSDsluCounter, 12795 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9416 mSDsCounter, 1543 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9065 IncrementalHoareTripleChecker+Invalid, 10608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1543 mSolverCounterUnsat, 3379 mSDtfsCounter, 9065 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1062 GetRequests, 856 SyntacticMatches, 3 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1275occurred in iteration=20, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 1944 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 4298 NumberOfCodeBlocks, 4298 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4265 ConstructedInterpolants, 0 QuantifiedInterpolants, 16936 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1763 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 20810/21000 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 15:18:59,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 03015dc15296b27011ea4abd50b336e0db146e7d4accd33e7d5903aad3a9693d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:19:01,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:19:01,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:19:01,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:19:01,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:19:01,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:19:01,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:19:01,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:19:01,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:19:01,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:19:01,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:19:01,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:19:01,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:19:01,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:19:01,982 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:19:01,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:19:01,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:19:01,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:19:01,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:19:01,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:19:01,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:19:01,984 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:19:01,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:19:01,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:19:01,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:19:01,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:01,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:01,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:19:01,985 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:19:01,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:19:01,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:19:01,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:19:01,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:19:01,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:19:01,986 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 -> 03015dc15296b27011ea4abd50b336e0db146e7d4accd33e7d5903aad3a9693d [2024-12-02 15:19:02,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:19:02,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:19:02,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:19:02,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:19:02,296 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:19:02,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:19:05,526 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/95cac1660/227fcb899ca4491b86239afb864f9e71/FLAGb2b243188 [2024-12-02 15:19:05,731 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:19:05,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:19:05,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/95cac1660/227fcb899ca4491b86239afb864f9e71/FLAGb2b243188 [2024-12-02 15:19:05,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/data/95cac1660/227fcb899ca4491b86239afb864f9e71 [2024-12-02 15:19:05,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:19:05,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:19:05,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:19:05,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:19:05,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:19:05,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:05" (1/1) ... [2024-12-02 15:19:05,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f75c0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:05, skipping insertion in model container [2024-12-02 15:19:05,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:05" (1/1) ... [2024-12-02 15:19:05,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:19:05,936 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i[916,929] [2024-12-02 15:19:06,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:19:06,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:19:06,030 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_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-14.i[916,929] [2024-12-02 15:19:06,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:19:06,115 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:19:06,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06 WrapperNode [2024-12-02 15:19:06,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:19:06,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:19:06,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:19:06,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:19:06,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,182 INFO L138 Inliner]: procedures = 40, calls = 183, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 556 [2024-12-02 15:19:06,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:19:06,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:19:06,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:19:06,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:19:06,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,200 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,222 INFO L175 MemorySlicer]: Split 151 memory accesses to 2 slices as follows [2, 149]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 37 writes are split as follows [0, 37]. [2024-12-02 15:19:06,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:19:06,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:19:06,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:19:06,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:19:06,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (1/1) ... [2024-12-02 15:19:06,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:19:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:19:06,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:19:06,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-12-02 15:19:06,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:19:06,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:19:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:19:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 15:19:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:19:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 15:19:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 15:19:06,511 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:19:06,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:19:11,965 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-12-02 15:19:11,965 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:19:11,978 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:19:11,979 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:19:11,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:11 BoogieIcfgContainer [2024-12-02 15:19:11,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:19:11,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:19:11,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:19:11,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:19:11,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:19:05" (1/3) ... [2024-12-02 15:19:11,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47eced4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:11, skipping insertion in model container [2024-12-02 15:19:11,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06" (2/3) ... [2024-12-02 15:19:11,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47eced4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:11, skipping insertion in model container [2024-12-02 15:19:11,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:11" (3/3) ... [2024-12-02 15:19:11,991 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-14.i [2024-12-02 15:19:12,007 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:19:12,009 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-14.i that has 2 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:19:12,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:19:12,086 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;@228c8a1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:19:12,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:19:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 105 states have internal predecessors, (148), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:19:12,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:19:12,107 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:12,108 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:12,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:12,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash -822542588, now seen corresponding path program 1 times [2024-12-02 15:19:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:12,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489497821] [2024-12-02 15:19:12,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:12,128 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 15:19:12,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:12,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:12,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:12,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:19:12,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-12-02 15:19:12,711 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:12,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:12,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489497821] [2024-12-02 15:19:12,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489497821] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:12,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:12,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:19:12,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859588809] [2024-12-02 15:19:12,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:12,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:19:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:12,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:19:12,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:19:12,757 INFO L87 Difference]: Start difference. First operand has 128 states, 104 states have (on average 1.4230769230769231) internal successors, (148), 105 states have internal predecessors, (148), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:19:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:12,789 INFO L93 Difference]: Finished difference Result 249 states and 395 transitions. [2024-12-02 15:19:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:19:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-12-02 15:19:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:12,798 INFO L225 Difference]: With dead ends: 249 [2024-12-02 15:19:12,798 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 15:19:12,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 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 15:19:12,805 INFO L435 NwaCegarLoop]: 183 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, 183 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 15:19:12,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:19:12,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 15:19:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-12-02 15:19:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.396039603960396) internal successors, (141), 101 states have internal predecessors, (141), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:19:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 183 transitions. [2024-12-02 15:19:12,852 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 183 transitions. Word has length 168 [2024-12-02 15:19:12,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:12,852 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 183 transitions. [2024-12-02 15:19:12,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:19:12,853 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 183 transitions. [2024-12-02 15:19:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:19:12,855 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:12,856 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:12,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:13,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:13,056 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:13,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:13,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1885402662, now seen corresponding path program 1 times [2024-12-02 15:19:13,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:13,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108161710] [2024-12-02 15:19:13,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:13,059 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 15:19:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:13,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:13,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:13,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:19:13,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:19:13,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:13,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:13,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108161710] [2024-12-02 15:19:13,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108161710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:13,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:13,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:19:13,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973298999] [2024-12-02 15:19:13,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:13,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:19:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:13,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:19:13,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:19:13,751 INFO L87 Difference]: Start difference. First operand 124 states and 183 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:13,846 INFO L93 Difference]: Finished difference Result 248 states and 368 transitions. [2024-12-02 15:19:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:19:13,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:19:13,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:13,850 INFO L225 Difference]: With dead ends: 248 [2024-12-02 15:19:13,850 INFO L226 Difference]: Without dead ends: 127 [2024-12-02 15:19:13,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 165 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 15:19:13,852 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:13,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 530 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:19:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-12-02 15:19:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-12-02 15:19:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.3846153846153846) internal successors, (144), 104 states have internal predecessors, (144), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:19:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 186 transitions. [2024-12-02 15:19:13,867 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 186 transitions. Word has length 168 [2024-12-02 15:19:13,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:13,869 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 186 transitions. [2024-12-02 15:19:13,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 186 transitions. [2024-12-02 15:19:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:19:13,872 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:13,873 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:13,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:14,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:14,074 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:14,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:14,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1591916184, now seen corresponding path program 1 times [2024-12-02 15:19:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:14,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858936258] [2024-12-02 15:19:14,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:14,076 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 15:19:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:14,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:14,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:14,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:19:14,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:14,766 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:19:14,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:14,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:14,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858936258] [2024-12-02 15:19:14,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858936258] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:14,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:14,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:19:14,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843302645] [2024-12-02 15:19:14,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:14,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:19:14,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:14,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:19:14,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:19:14,769 INFO L87 Difference]: Start difference. First operand 127 states and 186 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:18,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:19:20,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:20,567 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2024-12-02 15:19:20,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:19:20,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-12-02 15:19:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:20,569 INFO L225 Difference]: With dead ends: 252 [2024-12-02 15:19:20,569 INFO L226 Difference]: Without dead ends: 128 [2024-12-02 15:19:20,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:19:20,570 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 1 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:20,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 454 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-12-02 15:19:20,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-12-02 15:19:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-12-02 15:19:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:19:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 187 transitions. [2024-12-02 15:19:20,578 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 187 transitions. Word has length 168 [2024-12-02 15:19:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:20,578 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 187 transitions. [2024-12-02 15:19:20,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 187 transitions. [2024-12-02 15:19:20,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:19:20,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:20,580 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:20,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:20,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:20,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:20,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:20,782 INFO L85 PathProgramCache]: Analyzing trace with hash -580798934, now seen corresponding path program 1 times [2024-12-02 15:19:20,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:20,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640269856] [2024-12-02 15:19:20,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:20,783 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 15:19:20,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:20,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:20,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 (5)] Waiting until timeout for monitored process [2024-12-02 15:19:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:21,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:19:21,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:21,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:21,969 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 173 treesize of output 65 [2024-12-02 15:19:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-12-02 15:19:22,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:22,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:22,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640269856] [2024-12-02 15:19:22,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640269856] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:22,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:22,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:19:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189694973] [2024-12-02 15:19:22,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:22,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:19:22,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:22,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:19:22,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:19:22,049 INFO L87 Difference]: Start difference. First operand 128 states and 187 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:19:25,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:19:28,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:28,951 INFO L93 Difference]: Finished difference Result 254 states and 372 transitions. [2024-12-02 15:19:28,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:19:28,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-12-02 15:19:28,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:28,955 INFO L225 Difference]: With dead ends: 254 [2024-12-02 15:19:28,955 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 15:19:28,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:19:28,956 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 111 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:28,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 517 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-12-02 15:19:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 15:19:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-12-02 15:19:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 15:19:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 186 transitions. [2024-12-02 15:19:28,969 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 186 transitions. Word has length 168 [2024-12-02 15:19:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:28,970 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 186 transitions. [2024-12-02 15:19:28,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:19:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2024-12-02 15:19:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:19:28,972 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:28,973 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:28,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 (5)] Ended with exit code 0 [2024-12-02 15:19:29,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:29,173 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:29,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash -515450012, now seen corresponding path program 1 times [2024-12-02 15:19:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:29,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538157690] [2024-12-02 15:19:29,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:29,175 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 15:19:29,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:29,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:29,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:29,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 15:19:29,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:29,814 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 94 treesize of output 93 [2024-12-02 15:19:30,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 150 [2024-12-02 15:19:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:19:30,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:19:30,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:30,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538157690] [2024-12-02 15:19:30,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538157690] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:19:30,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:19:30,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:19:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159432826] [2024-12-02 15:19:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:19:30,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:19:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:30,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:19:30,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:19:30,961 INFO L87 Difference]: Start difference. First operand 128 states and 186 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:36,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:19:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:19:38,229 INFO L93 Difference]: Finished difference Result 383 states and 556 transitions. [2024-12-02 15:19:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:19:38,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 170 [2024-12-02 15:19:38,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:19:38,231 INFO L225 Difference]: With dead ends: 383 [2024-12-02 15:19:38,231 INFO L226 Difference]: Without dead ends: 258 [2024-12-02 15:19:38,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:19:38,232 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 104 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:19:38,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 443 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-12-02 15:19:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-12-02 15:19:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 230. [2024-12-02 15:19:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 184 states have (on average 1.3478260869565217) internal successors, (248), 184 states have internal predecessors, (248), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 15:19:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 332 transitions. [2024-12-02 15:19:38,268 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 332 transitions. Word has length 170 [2024-12-02 15:19:38,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:19:38,269 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 332 transitions. [2024-12-02 15:19:38,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:19:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2024-12-02 15:19:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:19:38,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:19:38,271 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:19:38,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:38,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:38,472 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:19:38,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:19:38,472 INFO L85 PathProgramCache]: Analyzing trace with hash -649463518, now seen corresponding path program 1 times [2024-12-02 15:19:38,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:19:38,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973435705] [2024-12-02 15:19:38,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:19:38,473 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 15:19:38,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:19:38,475 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:19:38,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 (7)] Waiting until timeout for monitored process [2024-12-02 15:19:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:19:39,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 15:19:39,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:19:39,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 15:19:39,468 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 15:19:39,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:39,852 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 15:19:40,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:40,055 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 15:19:40,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:40,375 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 15:19:40,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:40,576 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 53 treesize of output 53 [2024-12-02 15:19:45,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:45,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 67 treesize of output 69 [2024-12-02 15:19:46,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:46,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 98 treesize of output 109 [2024-12-02 15:19:46,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:46,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 115 treesize of output 123 [2024-12-02 15:19:46,954 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 169 treesize of output 131 [2024-12-02 15:19:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 15:19:46,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:46,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 131 treesize of output 221 [2024-12-02 15:19:47,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:19:47,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 148 treesize of output 64 [2024-12-02 15:19:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 532 proven. 54 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-02 15:19:47,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:19:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 54 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-02 15:19:48,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:19:48,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973435705] [2024-12-02 15:19:48,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973435705] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:19:48,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:19:48,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 22 [2024-12-02 15:19:48,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104088708] [2024-12-02 15:19:48,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:19:48,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 15:19:48,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:19:48,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 15:19:48,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=337, Unknown=1, NotChecked=0, Total=462 [2024-12-02 15:19:48,474 INFO L87 Difference]: Start difference. First operand 230 states and 332 transitions. Second operand has 22 states, 18 states have (on average 6.777777777777778) internal successors, (122), 21 states have internal predecessors, (122), 9 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) [2024-12-02 15:19:56,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:05,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:13,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:21,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:25,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:29,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:33,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:37,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:41,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:49,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:53,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:57,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:01,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:05,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:09,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:13,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:17,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:21,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:25,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:29,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:33,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:37,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:42,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:46,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:50,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:54,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:58,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:02,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:06,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:10,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:14,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:18,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:22,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:26,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:30,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:34,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:38,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:42,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:46,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:50,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:54,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:58,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:02,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:06,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:10,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:14,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:19,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:58,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:14,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:18,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:26,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:34,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:38,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:42,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:46,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:50,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:54,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:02,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:06,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:10,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:14,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:18,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:22,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:26,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:30,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:34,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:38,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:42,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:46,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:50,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:54,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:58,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:02,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:06,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:10,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:14,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:18,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:22,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:26,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:30,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:34,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:38,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:43,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:47,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:51,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:55,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:59,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:03,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:07,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:11,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:15,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:19,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:23,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:27,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:27:31,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:28:04,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:28:05,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:28:08,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:28:13,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:28:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:16,755 INFO L93 Difference]: Finished difference Result 821 states and 1137 transitions. [2024-12-02 15:28:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-12-02 15:28:16,756 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 6.777777777777778) internal successors, (122), 21 states have internal predecessors, (122), 9 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) Word has length 170 [2024-12-02 15:28:16,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:16,760 INFO L225 Difference]: With dead ends: 821 [2024-12-02 15:28:16,760 INFO L226 Difference]: Without dead ends: 668 [2024-12-02 15:28:16,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1513 ImplicationChecksByTransitivity, 102.3s TimeCoverageRelationStatistics Valid=1076, Invalid=4012, Unknown=24, NotChecked=0, Total=5112 [2024-12-02 15:28:16,763 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1233 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1566 mSolverCounterSat, 331 mSolverCounterUnsat, 94 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 410.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 1566 IncrementalHoareTripleChecker+Invalid, 94 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 411.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:16,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 710 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 1566 Invalid, 94 Unknown, 0 Unchecked, 411.2s Time] [2024-12-02 15:28:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-12-02 15:28:16,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 308. [2024-12-02 15:28:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 247 states have (on average 1.2995951417004048) internal successors, (321), 248 states have internal predecessors, (321), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:28:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 417 transitions. [2024-12-02 15:28:16,830 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 417 transitions. Word has length 170 [2024-12-02 15:28:16,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:16,830 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 417 transitions. [2024-12-02 15:28:16,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 6.777777777777778) internal successors, (122), 21 states have internal predecessors, (122), 9 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (32), 6 states have call predecessors, (32), 9 states have call successors, (32) [2024-12-02 15:28:16,831 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 417 transitions. [2024-12-02 15:28:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:28:16,833 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:16,834 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:16,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 (7)] Ended with exit code 0 [2024-12-02 15:28:17,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:17,034 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:17,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:17,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1354522850, now seen corresponding path program 1 times [2024-12-02 15:28:17,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:28:17,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482600004] [2024-12-02 15:28:17,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:17,036 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 15:28:17,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:28:17,038 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:17,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:28:17,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:28:17,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:17,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:28:17,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482600004] [2024-12-02 15:28:17,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482600004] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:17,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:17,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:17,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45272213] [2024-12-02 15:28:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:17,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:17,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:28:17,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:17,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:17,625 INFO L87 Difference]: Start difference. First operand 308 states and 417 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:26,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:29,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:31,878 INFO L93 Difference]: Finished difference Result 728 states and 1003 transitions. [2024-12-02 15:28:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:28:31,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 170 [2024-12-02 15:28:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:31,883 INFO L225 Difference]: With dead ends: 728 [2024-12-02 15:28:31,883 INFO L226 Difference]: Without dead ends: 513 [2024-12-02 15:28:31,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:31,884 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 157 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:31,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 349 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 15:28:31,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-12-02 15:28:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 314. [2024-12-02 15:28:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 253 states have (on average 1.2924901185770752) internal successors, (327), 254 states have internal predecessors, (327), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:28:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 423 transitions. [2024-12-02 15:28:31,927 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 423 transitions. Word has length 170 [2024-12-02 15:28:31,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:31,928 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 423 transitions. [2024-12-02 15:28:31,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 423 transitions. [2024-12-02 15:28:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:28:31,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:31,929 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:31,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,130 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:32,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1981214430, now seen corresponding path program 1 times [2024-12-02 15:28:32,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:28:32,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80720968] [2024-12-02 15:28:32,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:32,131 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 15:28:32,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:28:32,133 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:28:32,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:28:32,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:32,628 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:28:32,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80720968] [2024-12-02 15:28:32,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80720968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:32,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210082288] [2024-12-02 15:28:32,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:32,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:32,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:28:32,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:32,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:32,629 INFO L87 Difference]: Start difference. First operand 314 states and 423 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:32,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:32,725 INFO L93 Difference]: Finished difference Result 539 states and 733 transitions. [2024-12-02 15:28:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:32,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 170 [2024-12-02 15:28:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:32,729 INFO L225 Difference]: With dead ends: 539 [2024-12-02 15:28:32,729 INFO L226 Difference]: Without dead ends: 318 [2024-12-02 15:28:32,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 167 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 15:28:32,730 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:32,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 529 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-12-02 15:28:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-12-02 15:28:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 257 states have (on average 1.2879377431906616) internal successors, (331), 258 states have internal predecessors, (331), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:28:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 427 transitions. [2024-12-02 15:28:32,789 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 427 transitions. Word has length 170 [2024-12-02 15:28:32,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:32,789 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 427 transitions. [2024-12-02 15:28:32,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 427 transitions. [2024-12-02 15:28:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:28:32,791 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:32,791 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:32,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,992 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:32,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:32,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1008105180, now seen corresponding path program 1 times [2024-12-02 15:28:32,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:28:32,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582242740] [2024-12-02 15:28:32,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:32,993 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 15:28:32,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:28:32,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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)] Waiting until timeout for monitored process [2024-12-02 15:28:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:33,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:28:33,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:33,485 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 15:28:33,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select 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 20 [2024-12-02 15:28:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 15:28:33,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:28:33,547 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:28:33,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582242740] [2024-12-02 15:28:33,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582242740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:33,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:33,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673086252] [2024-12-02 15:28:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:33,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:28:33,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:33,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:33,548 INFO L87 Difference]: Start difference. First operand 318 states and 427 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:38,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:40,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:45,149 INFO L93 Difference]: Finished difference Result 756 states and 1025 transitions. [2024-12-02 15:28:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:28:45,150 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 172 [2024-12-02 15:28:45,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:45,152 INFO L225 Difference]: With dead ends: 756 [2024-12-02 15:28:45,152 INFO L226 Difference]: Without dead ends: 531 [2024-12-02 15:28:45,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:45,153 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 157 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:45,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 545 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2024-12-02 15:28:45,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-12-02 15:28:45,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 320. [2024-12-02 15:28:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 259 states have (on average 1.2857142857142858) internal successors, (333), 260 states have internal predecessors, (333), 48 states have call successors, (48), 12 states have call predecessors, (48), 12 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:28:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 429 transitions. [2024-12-02 15:28:45,218 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 429 transitions. Word has length 172 [2024-12-02 15:28:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:45,219 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 429 transitions. [2024-12-02 15:28:45,219 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 15:28:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 429 transitions. [2024-12-02 15:28:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:28:45,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:45,220 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:45,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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)] Ended with exit code 0 [2024-12-02 15:28:45,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:45,421 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:45,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1292717410, now seen corresponding path program 1 times [2024-12-02 15:28:45,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:28:45,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829787292] [2024-12-02 15:28:45,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:45,422 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 15:28:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:28:45,424 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:45,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6ef995-a5c9-4e7a-b942-d5f8217ff1a6/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 15:28:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:46,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 15:28:46,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:46,035 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 15:28:46,381 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 15:28:46,536 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 15:28:46,661 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 15:28:46,861 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 15:28:46,979 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 40 [2024-12-02 15:28:51,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:51,383 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 57 treesize of output 56 [2024-12-02 15:28:52,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:52,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 96 [2024-12-02 15:28:52,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:52,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 105 treesize of output 110 [2024-12-02 15:28:53,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:53,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 115 treesize of output 123 [2024-12-02 15:28:53,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:53,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 138 treesize of output 60 [2024-12-02 15:28:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 532 proven. 54 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-12-02 15:28:53,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:28:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 54 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-02 15:28:54,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:28:54,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829787292] [2024-12-02 15:28:54,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829787292] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:28:54,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:28:54,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10] total 23 [2024-12-02 15:28:54,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623682200] [2024-12-02 15:28:54,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:28:54,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 15:28:54,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:28:54,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 15:28:54,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=379, Unknown=1, NotChecked=0, Total=506 [2024-12-02 15:28:54,572 INFO L87 Difference]: Start difference. First operand 320 states and 429 transitions. Second operand has 23 states, 19 states have (on average 6.631578947368421) internal successors, (126), 23 states have internal predecessors, (126), 9 states have call successors, (32), 5 states have call predecessors, (32), 7 states have return successors, (32), 5 states have call predecessors, (32), 9 states have call successors, (32) [2024-12-02 15:29:01,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:09,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:18,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:26,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:34,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:38,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:42,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:46,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:50,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:29:54,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:02,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:06,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:10,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:14,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:18,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:22,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:26,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:30,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:34,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:38,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:42,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:46,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:50,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:54,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:30:58,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:03,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:07,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:11,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:15,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:19,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:23,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:27,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:31,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:35,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:39,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:43,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:47,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:51,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:55,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:31:59,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:03,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:07,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:11,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:15,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:19,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:32:23,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]