./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.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_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:19:38,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:19:38,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:19:38,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:19:38,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:19:38,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:19:38,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:19:38,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:19:38,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:19:38,992 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:19:38,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:19:38,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:19:38,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:19:38,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:19:38,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:19:38,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:19:38,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:19:38,997 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:19:38,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:19:38,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:19:38,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:19:38,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:19:38,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:19:38,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:19:38,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:19:38,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:19:38,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:19:38,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:19:39,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:19:39,000 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_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec [2024-11-27 23:19:39,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:19:39,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:19:39,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:19:39,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:19:39,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:19:39,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:19:42,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/13ea84b8b/84f30b3dfe7744d0ba4cf93cd7d99811/FLAG1c744ccdb [2024-11-27 23:19:43,125 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:19:43,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:19:43,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/13ea84b8b/84f30b3dfe7744d0ba4cf93cd7d99811/FLAG1c744ccdb [2024-11-27 23:19:43,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/13ea84b8b/84f30b3dfe7744d0ba4cf93cd7d99811 [2024-11-27 23:19:43,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:19:43,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:19:43,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:43,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:19:43,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:19:43,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:43,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343e97c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43, skipping insertion in model container [2024-11-27 23:19:43,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:43,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:19:43,585 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_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2024-11-27 23:19:43,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:43,744 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:19:43,761 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_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2024-11-27 23:19:43,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:19:43,880 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:19:43,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43 WrapperNode [2024-11-27 23:19:43,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:19:43,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:43,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:19:43,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:19:43,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:43,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:43,979 INFO L138 Inliner]: procedures = 30, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 521 [2024-11-27 23:19:43,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:19:43,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:19:43,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:19:43,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:19:43,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:43,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,016 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-27 23:19:44,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:19:44,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:19:44,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:19:44,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:19:44,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (1/1) ... [2024-11-27 23:19:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:19:44,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:44,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:19:44,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:19:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:19:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:19:44,345 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:19:44,348 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:19:45,261 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-27 23:19:45,261 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:19:45,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:19:45,285 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:19:45,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:45 BoogieIcfgContainer [2024-11-27 23:19:45,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:19:45,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:19:45,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:19:45,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:19:45,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:19:43" (1/3) ... [2024-11-27 23:19:45,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba1e51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:19:45, skipping insertion in model container [2024-11-27 23:19:45,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:19:43" (2/3) ... [2024-11-27 23:19:45,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba1e51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:19:45, skipping insertion in model container [2024-11-27 23:19:45,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:45" (3/3) ... [2024-11-27 23:19:45,302 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:19:45,324 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:19:45,326 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-2.i that has 2 procedures, 104 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:19:45,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:19:45,428 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;@fbe107b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:19:45,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:19:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 89 states have (on average 1.4606741573033708) internal successors, (130), 90 states have internal predecessors, (130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:19:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:19:45,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:45,449 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:45,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:45,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:45,459 INFO L85 PathProgramCache]: Analyzing trace with hash 430417907, now seen corresponding path program 1 times [2024-11-27 23:19:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:45,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650349678] [2024-11-27 23:19:45,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-27 23:19:46,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:46,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650349678] [2024-11-27 23:19:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650349678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:46,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410832677] [2024-11-27 23:19:46,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:46,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:46,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:46,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:46,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:19:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:46,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:19:46,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-27 23:19:46,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:19:46,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410832677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:46,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:19:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:19:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037373867] [2024-11-27 23:19:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:46,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:19:46,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:46,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:19:46,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:19:46,460 INFO L87 Difference]: Start difference. First operand has 104 states, 89 states have (on average 1.4606741573033708) internal successors, (130), 90 states have internal predecessors, (130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:19:46,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:46,498 INFO L93 Difference]: Finished difference Result 201 states and 314 transitions. [2024-11-27 23:19:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:19:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-11-27 23:19:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:46,509 INFO L225 Difference]: With dead ends: 201 [2024-11-27 23:19:46,509 INFO L226 Difference]: Without dead ends: 100 [2024-11-27 23:19:46,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:19:46,516 INFO L435 NwaCegarLoop]: 147 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, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:46,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:19:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-27 23:19:46,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-27 23:19:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 86 states have (on average 1.430232558139535) internal successors, (123), 86 states have internal predecessors, (123), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:19:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2024-11-27 23:19:46,569 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 100 [2024-11-27 23:19:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:46,569 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2024-11-27 23:19:46,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:19:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2024-11-27 23:19:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:19:46,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:46,573 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:46,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:19:46,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:19:46,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:46,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:46,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1747627975, now seen corresponding path program 1 times [2024-11-27 23:19:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:46,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403222282] [2024-11-27 23:19:46,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-27 23:19:47,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403222282] [2024-11-27 23:19:47,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403222282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370566673] [2024-11-27 23:19:47,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:47,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:47,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:47,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:47,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:19:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:47,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:19:47,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:19:47,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:19:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370566673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:47,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:19:47,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-27 23:19:47,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369117201] [2024-11-27 23:19:47,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:47,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:19:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:47,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:19:47,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:19:47,915 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:47,986 INFO L93 Difference]: Finished difference Result 199 states and 294 transitions. [2024-11-27 23:19:47,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:19:47,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2024-11-27 23:19:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:47,988 INFO L225 Difference]: With dead ends: 199 [2024-11-27 23:19:47,988 INFO L226 Difference]: Without dead ends: 102 [2024-11-27 23:19:47,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:19:47,993 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:47,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:19:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-27 23:19:48,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-27 23:19:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 88 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:19:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 149 transitions. [2024-11-27 23:19:48,005 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 149 transitions. Word has length 100 [2024-11-27 23:19:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:48,006 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 149 transitions. [2024-11-27 23:19:48,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2024-11-27 23:19:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:19:48,009 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:48,009 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:48,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:48,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:48,211 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:48,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:48,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1143937423, now seen corresponding path program 1 times [2024-11-27 23:19:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:48,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377459478] [2024-11-27 23:19:48,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:48,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:19:48,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:48,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377459478] [2024-11-27 23:19:48,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377459478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:48,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:48,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:19:48,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215215768] [2024-11-27 23:19:48,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:48,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:19:48,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:48,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:19:48,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:48,471 INFO L87 Difference]: Start difference. First operand 102 states and 149 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:48,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:48,615 INFO L93 Difference]: Finished difference Result 245 states and 361 transitions. [2024-11-27 23:19:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:19:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-27 23:19:48,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:48,620 INFO L225 Difference]: With dead ends: 245 [2024-11-27 23:19:48,620 INFO L226 Difference]: Without dead ends: 146 [2024-11-27 23:19:48,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:19:48,621 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 60 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:48,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 288 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:19:48,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-27 23:19:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2024-11-27 23:19:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 105 states have (on average 1.4476190476190476) internal successors, (152), 105 states have internal predecessors, (152), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:19:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 176 transitions. [2024-11-27 23:19:48,649 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 176 transitions. Word has length 103 [2024-11-27 23:19:48,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:48,649 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 176 transitions. [2024-11-27 23:19:48,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2024-11-27 23:19:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:19:48,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:48,655 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:48,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:19:48,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:48,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash -861740552, now seen corresponding path program 1 times [2024-11-27 23:19:48,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:48,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647658398] [2024-11-27 23:19:48,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:48,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:19:53,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:53,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647658398] [2024-11-27 23:19:53,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647658398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:53,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:53,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 23:19:53,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842308914] [2024-11-27 23:19:53,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:53,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:19:53,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:53,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:19:53,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:19:53,078 INFO L87 Difference]: Start difference. First operand 119 states and 176 transitions. Second operand has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:19:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:54,866 INFO L93 Difference]: Finished difference Result 289 states and 426 transitions. [2024-11-27 23:19:54,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:19:54,869 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2024-11-27 23:19:54,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:54,870 INFO L225 Difference]: With dead ends: 289 [2024-11-27 23:19:54,871 INFO L226 Difference]: Without dead ends: 173 [2024-11-27 23:19:54,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:19:54,877 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 394 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:54,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 688 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:19:54,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-27 23:19:54,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 147. [2024-11-27 23:19:54,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 133 states have (on average 1.4511278195488722) internal successors, (193), 133 states have internal predecessors, (193), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:19:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 217 transitions. [2024-11-27 23:19:54,915 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 217 transitions. Word has length 103 [2024-11-27 23:19:54,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:54,915 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 217 transitions. [2024-11-27 23:19:54,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 14 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:19:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2024-11-27 23:19:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:19:54,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:54,922 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:54,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:19:54,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:54,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:54,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1680808867, now seen corresponding path program 1 times [2024-11-27 23:19:54,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:54,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228669954] [2024-11-27 23:19:54,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:19:55,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605245998] [2024-11-27 23:19:55,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:55,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:55,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:19:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:55,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:19:55,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:19:55,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-11-27 23:19:55,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 70 [2024-11-27 23:19:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:19:55,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:19:55,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:55,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228669954] [2024-11-27 23:19:55,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:19:55,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605245998] [2024-11-27 23:19:55,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605245998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:55,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:55,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:19:55,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312900496] [2024-11-27 23:19:55,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:55,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:19:55,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:55,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:19:55,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:19:55,994 INFO L87 Difference]: Start difference. First operand 147 states and 217 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:57,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:57,568 INFO L93 Difference]: Finished difference Result 408 states and 605 transitions. [2024-11-27 23:19:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:19:57,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-27 23:19:57,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:57,572 INFO L225 Difference]: With dead ends: 408 [2024-11-27 23:19:57,572 INFO L226 Difference]: Without dead ends: 264 [2024-11-27 23:19:57,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:19:57,574 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 97 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:57,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 363 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:19:57,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-27 23:19:57,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 218. [2024-11-27 23:19:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 191 states have (on average 1.4293193717277486) internal successors, (273), 191 states have internal predecessors, (273), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:19:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 321 transitions. [2024-11-27 23:19:57,610 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 321 transitions. Word has length 105 [2024-11-27 23:19:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:57,611 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 321 transitions. [2024-11-27 23:19:57,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:19:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2024-11-27 23:19:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:19:57,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:57,613 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:57,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:57,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:57,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:57,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:57,814 INFO L85 PathProgramCache]: Analyzing trace with hash 758996857, now seen corresponding path program 1 times [2024-11-27 23:19:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:57,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174249114] [2024-11-27 23:19:57,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:57,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:19:58,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:58,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174249114] [2024-11-27 23:19:58,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174249114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:58,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:58,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:19:58,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344733949] [2024-11-27 23:19:58,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:58,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:19:58,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:58,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:19:58,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:19:58,901 INFO L87 Difference]: Start difference. First operand 218 states and 321 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:19:59,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:59,616 INFO L93 Difference]: Finished difference Result 425 states and 621 transitions. [2024-11-27 23:19:59,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:19:59,617 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2024-11-27 23:19:59,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:59,621 INFO L225 Difference]: With dead ends: 425 [2024-11-27 23:19:59,621 INFO L226 Difference]: Without dead ends: 281 [2024-11-27 23:19:59,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:19:59,623 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 358 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:59,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 291 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:19:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-27 23:19:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 228. [2024-11-27 23:19:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.4179104477611941) internal successors, (285), 201 states have internal predecessors, (285), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:19:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 333 transitions. [2024-11-27 23:19:59,665 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 333 transitions. Word has length 106 [2024-11-27 23:19:59,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:59,666 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 333 transitions. [2024-11-27 23:19:59,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:19:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 333 transitions. [2024-11-27 23:19:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:19:59,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:59,668 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:19:59,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:19:59,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:19:59,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:59,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1460061435, now seen corresponding path program 1 times [2024-11-27 23:19:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:59,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080320742] [2024-11-27 23:19:59,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:04,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:04,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080320742] [2024-11-27 23:20:04,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080320742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:04,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:04,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:20:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632168490] [2024-11-27 23:20:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:04,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:20:04,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:04,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:20:04,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:20:04,919 INFO L87 Difference]: Start difference. First operand 228 states and 333 transitions. Second operand has 13 states, 10 states have (on average 4.9) internal successors, (49), 13 states have internal predecessors, (49), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:20:07,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:07,372 INFO L93 Difference]: Finished difference Result 434 states and 640 transitions. [2024-11-27 23:20:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:20:07,374 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 4.9) internal successors, (49), 13 states have internal predecessors, (49), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) Word has length 106 [2024-11-27 23:20:07,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:07,376 INFO L225 Difference]: With dead ends: 434 [2024-11-27 23:20:07,377 INFO L226 Difference]: Without dead ends: 280 [2024-11-27 23:20:07,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:20:07,382 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 231 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:07,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 464 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 23:20:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-27 23:20:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 268. [2024-11-27 23:20:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 240 states have (on average 1.425) internal successors, (342), 240 states have internal predecessors, (342), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 390 transitions. [2024-11-27 23:20:07,435 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 390 transitions. Word has length 106 [2024-11-27 23:20:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:07,437 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 390 transitions. [2024-11-27 23:20:07,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 4.9) internal successors, (49), 13 states have internal predecessors, (49), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:20:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 390 transitions. [2024-11-27 23:20:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:20:07,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:07,441 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:07,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:20:07,442 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:07,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:07,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1882763261, now seen corresponding path program 1 times [2024-11-27 23:20:07,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:07,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122178525] [2024-11-27 23:20:07,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:10,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:10,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122178525] [2024-11-27 23:20:10,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122178525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:10,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:10,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-27 23:20:10,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936961544] [2024-11-27 23:20:10,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:10,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:20:10,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:10,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:20:10,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:20:10,757 INFO L87 Difference]: Start difference. First operand 268 states and 390 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:13,678 INFO L93 Difference]: Finished difference Result 553 states and 809 transitions. [2024-11-27 23:20:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:20:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-27 23:20:13,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:13,682 INFO L225 Difference]: With dead ends: 553 [2024-11-27 23:20:13,685 INFO L226 Difference]: Without dead ends: 385 [2024-11-27 23:20:13,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:20:13,686 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 291 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:13,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 906 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 23:20:13,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-27 23:20:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 334. [2024-11-27 23:20:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 306 states have (on average 1.4444444444444444) internal successors, (442), 306 states have internal predecessors, (442), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 490 transitions. [2024-11-27 23:20:13,747 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 490 transitions. Word has length 106 [2024-11-27 23:20:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:13,747 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 490 transitions. [2024-11-27 23:20:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 490 transitions. [2024-11-27 23:20:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:20:13,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:13,750 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:13,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:20:13,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:13,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:13,751 INFO L85 PathProgramCache]: Analyzing trace with hash -318381270, now seen corresponding path program 1 times [2024-11-27 23:20:13,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:13,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428411755] [2024-11-27 23:20:13,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:13,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:15,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:15,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428411755] [2024-11-27 23:20:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428411755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:15,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:20:15,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774283390] [2024-11-27 23:20:15,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:15,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:20:15,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:15,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:20:15,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:15,120 INFO L87 Difference]: Start difference. First operand 334 states and 490 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:20:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:16,099 INFO L93 Difference]: Finished difference Result 592 states and 869 transitions. [2024-11-27 23:20:16,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:20:16,100 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-27 23:20:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:16,103 INFO L225 Difference]: With dead ends: 592 [2024-11-27 23:20:16,103 INFO L226 Difference]: Without dead ends: 387 [2024-11-27 23:20:16,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:20:16,106 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 186 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:16,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 462 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:20:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-27 23:20:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 334. [2024-11-27 23:20:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 306 states have (on average 1.4444444444444444) internal successors, (442), 306 states have internal predecessors, (442), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:16,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 490 transitions. [2024-11-27 23:20:16,153 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 490 transitions. Word has length 107 [2024-11-27 23:20:16,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:16,154 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 490 transitions. [2024-11-27 23:20:16,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:20:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 490 transitions. [2024-11-27 23:20:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 23:20:16,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:16,155 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:16,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:20:16,156 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:16,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:16,156 INFO L85 PathProgramCache]: Analyzing trace with hash 382683308, now seen corresponding path program 1 times [2024-11-27 23:20:16,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:16,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392539426] [2024-11-27 23:20:16,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:16,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392539426] [2024-11-27 23:20:19,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392539426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:19,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:19,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:20:19,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082624487] [2024-11-27 23:20:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:19,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:20:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:19,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:20:19,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:20:19,205 INFO L87 Difference]: Start difference. First operand 334 states and 490 transitions. Second operand has 13 states, 10 states have (on average 5.0) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:20:21,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:21,131 INFO L93 Difference]: Finished difference Result 547 states and 809 transitions. [2024-11-27 23:20:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:20:21,133 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.0) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) Word has length 107 [2024-11-27 23:20:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:21,135 INFO L225 Difference]: With dead ends: 547 [2024-11-27 23:20:21,136 INFO L226 Difference]: Without dead ends: 340 [2024-11-27 23:20:21,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:20:21,138 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 207 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:21,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 548 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:20:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-27 23:20:21,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 336. [2024-11-27 23:20:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 308 states have (on average 1.4415584415584415) internal successors, (444), 308 states have internal predecessors, (444), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 492 transitions. [2024-11-27 23:20:21,197 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 492 transitions. Word has length 107 [2024-11-27 23:20:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:21,198 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 492 transitions. [2024-11-27 23:20:21,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.0) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:20:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 492 transitions. [2024-11-27 23:20:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:20:21,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:21,201 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:21,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:20:21,202 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:21,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:21,203 INFO L85 PathProgramCache]: Analyzing trace with hash -180617415, now seen corresponding path program 1 times [2024-11-27 23:20:21,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:21,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132284731] [2024-11-27 23:20:21,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:21,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:25,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:25,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132284731] [2024-11-27 23:20:25,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132284731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:25,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:25,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 23:20:25,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677212518] [2024-11-27 23:20:25,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:25,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:20:25,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:25,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:20:25,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:20:25,591 INFO L87 Difference]: Start difference. First operand 336 states and 492 transitions. Second operand has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:27,621 INFO L93 Difference]: Finished difference Result 591 states and 868 transitions. [2024-11-27 23:20:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:20:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-27 23:20:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:27,624 INFO L225 Difference]: With dead ends: 591 [2024-11-27 23:20:27,624 INFO L226 Difference]: Without dead ends: 385 [2024-11-27 23:20:27,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:20:27,629 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 413 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:27,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 743 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:20:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-27 23:20:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 338. [2024-11-27 23:20:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.4387096774193548) internal successors, (446), 310 states have internal predecessors, (446), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 494 transitions. [2024-11-27 23:20:27,681 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 494 transitions. Word has length 108 [2024-11-27 23:20:27,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:27,681 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 494 transitions. [2024-11-27 23:20:27,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 494 transitions. [2024-11-27 23:20:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:20:27,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:27,683 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:27,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:20:27,684 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:27,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:27,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1680078857, now seen corresponding path program 1 times [2024-11-27 23:20:27,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:27,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970730628] [2024-11-27 23:20:27,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:28,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970730628] [2024-11-27 23:20:28,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970730628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:28,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:28,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:20:28,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466763355] [2024-11-27 23:20:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:28,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:20:28,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:28,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:20:28,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:20:28,607 INFO L87 Difference]: Start difference. First operand 338 states and 494 transitions. Second operand has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:29,443 INFO L93 Difference]: Finished difference Result 576 states and 847 transitions. [2024-11-27 23:20:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:20:29,444 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-27 23:20:29,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:29,446 INFO L225 Difference]: With dead ends: 576 [2024-11-27 23:20:29,446 INFO L226 Difference]: Without dead ends: 338 [2024-11-27 23:20:29,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:20:29,449 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 120 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:29,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 447 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 23:20:29,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-27 23:20:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-27 23:20:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 310 states have (on average 1.4322580645161291) internal successors, (444), 310 states have internal predecessors, (444), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 492 transitions. [2024-11-27 23:20:29,490 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 492 transitions. Word has length 108 [2024-11-27 23:20:29,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:29,491 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 492 transitions. [2024-11-27 23:20:29,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:29,491 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 492 transitions. [2024-11-27 23:20:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:20:29,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:29,497 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:29,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:20:29,497 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:29,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:29,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1257377031, now seen corresponding path program 1 times [2024-11-27 23:20:29,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:29,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022194366] [2024-11-27 23:20:29,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:29,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022194366] [2024-11-27 23:20:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022194366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:32,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-27 23:20:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326877964] [2024-11-27 23:20:32,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:32,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:20:32,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:32,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:20:32,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:20:32,773 INFO L87 Difference]: Start difference. First operand 338 states and 492 transitions. Second operand has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:34,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:34,765 INFO L93 Difference]: Finished difference Result 617 states and 903 transitions. [2024-11-27 23:20:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:20:34,766 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 108 [2024-11-27 23:20:34,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:34,768 INFO L225 Difference]: With dead ends: 617 [2024-11-27 23:20:34,768 INFO L226 Difference]: Without dead ends: 409 [2024-11-27 23:20:34,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:20:34,770 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 191 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:34,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 804 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:20:34,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-27 23:20:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 360. [2024-11-27 23:20:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 332 states have (on average 1.4337349397590362) internal successors, (476), 332 states have internal predecessors, (476), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 524 transitions. [2024-11-27 23:20:34,809 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 524 transitions. Word has length 108 [2024-11-27 23:20:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:34,809 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 524 transitions. [2024-11-27 23:20:34,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.25) internal successors, (51), 14 states have internal predecessors, (51), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-27 23:20:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 524 transitions. [2024-11-27 23:20:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 23:20:34,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:34,811 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:34,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:20:34,812 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:34,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:34,812 INFO L85 PathProgramCache]: Analyzing trace with hash -999649969, now seen corresponding path program 1 times [2024-11-27 23:20:34,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:34,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684840560] [2024-11-27 23:20:34,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:34,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:37,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684840560] [2024-11-27 23:20:37,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684840560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:37,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:37,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-27 23:20:37,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489119431] [2024-11-27 23:20:37,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:37,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:20:37,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:37,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:20:37,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:20:37,712 INFO L87 Difference]: Start difference. First operand 360 states and 524 transitions. Second operand has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:39,374 INFO L93 Difference]: Finished difference Result 688 states and 1005 transitions. [2024-11-27 23:20:39,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:20:39,374 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-27 23:20:39,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:39,377 INFO L225 Difference]: With dead ends: 688 [2024-11-27 23:20:39,377 INFO L226 Difference]: Without dead ends: 467 [2024-11-27 23:20:39,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:20:39,378 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 421 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:39,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 762 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:20:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-27 23:20:39,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 412. [2024-11-27 23:20:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 384 states have (on average 1.4375) internal successors, (552), 384 states have internal predecessors, (552), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 600 transitions. [2024-11-27 23:20:39,420 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 600 transitions. Word has length 109 [2024-11-27 23:20:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:39,421 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 600 transitions. [2024-11-27 23:20:39,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 600 transitions. [2024-11-27 23:20:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-27 23:20:39,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:39,423 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:39,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:20:39,423 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:39,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1506571061, now seen corresponding path program 1 times [2024-11-27 23:20:39,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:39,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755272581] [2024-11-27 23:20:39,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:39,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:41,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:41,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755272581] [2024-11-27 23:20:41,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755272581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:41,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:41,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 23:20:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901966328] [2024-11-27 23:20:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:41,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:20:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:41,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:20:41,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:20:41,498 INFO L87 Difference]: Start difference. First operand 412 states and 600 transitions. Second operand has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:43,596 INFO L93 Difference]: Finished difference Result 775 states and 1130 transitions. [2024-11-27 23:20:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:20:43,597 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-27 23:20:43,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:43,600 INFO L225 Difference]: With dead ends: 775 [2024-11-27 23:20:43,600 INFO L226 Difference]: Without dead ends: 527 [2024-11-27 23:20:43,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:20:43,602 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 278 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:43,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1101 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:20:43,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-27 23:20:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 472. [2024-11-27 23:20:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 444 states have (on average 1.4414414414414414) internal successors, (640), 444 states have internal predecessors, (640), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 688 transitions. [2024-11-27 23:20:43,653 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 688 transitions. Word has length 110 [2024-11-27 23:20:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:43,654 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 688 transitions. [2024-11-27 23:20:43,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-27 23:20:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 688 transitions. [2024-11-27 23:20:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-27 23:20:43,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:43,656 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:43,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:20:43,656 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:43,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:43,657 INFO L85 PathProgramCache]: Analyzing trace with hash 805506483, now seen corresponding path program 1 times [2024-11-27 23:20:43,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:43,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349919059] [2024-11-27 23:20:43,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:43,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:48,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349919059] [2024-11-27 23:20:48,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349919059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:48,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:48,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-27 23:20:48,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894469196] [2024-11-27 23:20:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:48,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:20:48,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:48,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:20:48,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:20:48,006 INFO L87 Difference]: Start difference. First operand 472 states and 688 transitions. Second operand has 16 states, 13 states have (on average 4.076923076923077) internal successors, (53), 16 states have internal predecessors, (53), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:20:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:50,078 INFO L93 Difference]: Finished difference Result 815 states and 1188 transitions. [2024-11-27 23:20:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:20:50,079 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 4.076923076923077) internal successors, (53), 16 states have internal predecessors, (53), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) Word has length 110 [2024-11-27 23:20:50,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:50,081 INFO L225 Difference]: With dead ends: 815 [2024-11-27 23:20:50,081 INFO L226 Difference]: Without dead ends: 533 [2024-11-27 23:20:50,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:20:50,083 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 355 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:50,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 592 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 23:20:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-27 23:20:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 481. [2024-11-27 23:20:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 453 states have (on average 1.434878587196468) internal successors, (650), 453 states have internal predecessors, (650), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 698 transitions. [2024-11-27 23:20:50,130 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 698 transitions. Word has length 110 [2024-11-27 23:20:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:50,130 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 698 transitions. [2024-11-27 23:20:50,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 4.076923076923077) internal successors, (53), 16 states have internal predecessors, (53), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:20:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 698 transitions. [2024-11-27 23:20:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:20:50,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:50,132 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:50,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:20:50,132 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:50,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:50,132 INFO L85 PathProgramCache]: Analyzing trace with hash 74174475, now seen corresponding path program 1 times [2024-11-27 23:20:50,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:50,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120516732] [2024-11-27 23:20:50,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:20:56,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:20:56,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120516732] [2024-11-27 23:20:56,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120516732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:56,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:20:56,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 23:20:56,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700179158] [2024-11-27 23:20:56,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:56,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 23:20:56,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:56,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 23:20:56,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:20:56,351 INFO L87 Difference]: Start difference. First operand 481 states and 698 transitions. Second operand has 18 states, 14 states have (on average 3.857142857142857) internal successors, (54), 18 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:20:59,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:59,861 INFO L93 Difference]: Finished difference Result 825 states and 1206 transitions. [2024-11-27 23:20:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:20:59,862 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 3.857142857142857) internal successors, (54), 18 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) Word has length 111 [2024-11-27 23:20:59,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:59,865 INFO L225 Difference]: With dead ends: 825 [2024-11-27 23:20:59,865 INFO L226 Difference]: Without dead ends: 536 [2024-11-27 23:20:59,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:20:59,868 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 431 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:59,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 897 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 23:20:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-27 23:20:59,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 485. [2024-11-27 23:20:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 457 states have (on average 1.4354485776805253) internal successors, (656), 457 states have internal predecessors, (656), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:20:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 704 transitions. [2024-11-27 23:20:59,926 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 704 transitions. Word has length 111 [2024-11-27 23:20:59,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:59,927 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 704 transitions. [2024-11-27 23:20:59,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 3.857142857142857) internal successors, (54), 18 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:20:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 704 transitions. [2024-11-27 23:20:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:20:59,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:59,928 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:20:59,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:20:59,929 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:20:59,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash -626890103, now seen corresponding path program 1 times [2024-11-27 23:20:59,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:59,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599488248] [2024-11-27 23:20:59,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:59,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:07,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:07,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599488248] [2024-11-27 23:21:07,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599488248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:07,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:07,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-27 23:21:07,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64121316] [2024-11-27 23:21:07,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:07,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 23:21:07,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:07,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:21:07,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:21:07,315 INFO L87 Difference]: Start difference. First operand 485 states and 704 transitions. Second operand has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:21:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:12,125 INFO L93 Difference]: Finished difference Result 829 states and 1210 transitions. [2024-11-27 23:21:12,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) Word has length 111 [2024-11-27 23:21:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:12,128 INFO L225 Difference]: With dead ends: 829 [2024-11-27 23:21:12,128 INFO L226 Difference]: Without dead ends: 534 [2024-11-27 23:21:12,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-27 23:21:12,129 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 362 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:12,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 884 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-27 23:21:12,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-27 23:21:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 481. [2024-11-27 23:21:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 453 states have (on average 1.434878587196468) internal successors, (650), 453 states have internal predecessors, (650), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:21:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 698 transitions. [2024-11-27 23:21:12,183 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 698 transitions. Word has length 111 [2024-11-27 23:21:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:12,184 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 698 transitions. [2024-11-27 23:21:12,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.857142857142857) internal successors, (54), 17 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:21:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 698 transitions. [2024-11-27 23:21:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:21:12,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:12,186 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:12,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:21:12,186 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:12,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:12,187 INFO L85 PathProgramCache]: Analyzing trace with hash -512631539, now seen corresponding path program 1 times [2024-11-27 23:21:12,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:12,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097292226] [2024-11-27 23:21:12,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:12,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:17,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:17,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097292226] [2024-11-27 23:21:17,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097292226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:17,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:17,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-27 23:21:17,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312736170] [2024-11-27 23:21:17,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:17,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 23:21:17,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:17,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:21:17,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:21:17,376 INFO L87 Difference]: Start difference. First operand 481 states and 698 transitions. Second operand has 17 states, 13 states have (on average 4.153846153846154) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:19,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:19,988 INFO L93 Difference]: Finished difference Result 813 states and 1186 transitions. [2024-11-27 23:21:19,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:19,989 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 4.153846153846154) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) Word has length 111 [2024-11-27 23:21:19,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:19,991 INFO L225 Difference]: With dead ends: 813 [2024-11-27 23:21:19,991 INFO L226 Difference]: Without dead ends: 524 [2024-11-27 23:21:19,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:21:19,992 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 331 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:19,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 870 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 23:21:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-27 23:21:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 481. [2024-11-27 23:21:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 453 states have (on average 1.434878587196468) internal successors, (650), 453 states have internal predecessors, (650), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:21:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 698 transitions. [2024-11-27 23:21:20,042 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 698 transitions. Word has length 111 [2024-11-27 23:21:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:20,043 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 698 transitions. [2024-11-27 23:21:20,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 4.153846153846154) internal successors, (54), 17 states have internal predecessors, (54), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-27 23:21:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 698 transitions. [2024-11-27 23:21:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:21:20,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:20,044 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:20,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:21:20,045 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:20,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:20,045 INFO L85 PathProgramCache]: Analyzing trace with hash -298454379, now seen corresponding path program 1 times [2024-11-27 23:21:20,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:20,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940604373] [2024-11-27 23:21:20,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:25,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:25,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940604373] [2024-11-27 23:21:25,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940604373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:25,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:25,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-27 23:21:25,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177999045] [2024-11-27 23:21:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:25,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:21:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:25,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:21:25,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:21:25,047 INFO L87 Difference]: Start difference. First operand 481 states and 698 transitions. Second operand has 16 states, 13 states have (on average 4.153846153846154) internal successors, (54), 16 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:21:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:27,911 INFO L93 Difference]: Finished difference Result 829 states and 1212 transitions. [2024-11-27 23:21:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:27,912 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 4.153846153846154) internal successors, (54), 16 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) Word has length 111 [2024-11-27 23:21:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:27,915 INFO L225 Difference]: With dead ends: 829 [2024-11-27 23:21:27,915 INFO L226 Difference]: Without dead ends: 540 [2024-11-27 23:21:27,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:21:27,917 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 376 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:27,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 865 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-27 23:21:27,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-27 23:21:27,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 483. [2024-11-27 23:21:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 455 states have (on average 1.432967032967033) internal successors, (652), 455 states have internal predecessors, (652), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:21:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 700 transitions. [2024-11-27 23:21:27,972 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 700 transitions. Word has length 111 [2024-11-27 23:21:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:27,972 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 700 transitions. [2024-11-27 23:21:27,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 4.153846153846154) internal successors, (54), 16 states have internal predecessors, (54), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 23:21:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 700 transitions. [2024-11-27 23:21:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:21:27,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:27,975 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:27,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:21:27,975 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:27,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:27,976 INFO L85 PathProgramCache]: Analyzing trace with hash 402610199, now seen corresponding path program 1 times [2024-11-27 23:21:27,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:27,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031875384] [2024-11-27 23:21:27,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:33,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031875384] [2024-11-27 23:21:33,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031875384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:33,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:33,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-27 23:21:33,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019689362] [2024-11-27 23:21:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:33,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 23:21:33,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:33,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 23:21:33,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:21:33,250 INFO L87 Difference]: Start difference. First operand 483 states and 700 transitions. Second operand has 19 states, 15 states have (on average 3.6) internal successors, (54), 19 states have internal predecessors, (54), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-27 23:21:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:35,829 INFO L93 Difference]: Finished difference Result 837 states and 1213 transitions. [2024-11-27 23:21:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:21:35,830 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 3.6) internal successors, (54), 19 states have internal predecessors, (54), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 7 states have call successors, (12) Word has length 111 [2024-11-27 23:21:35,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:35,832 INFO L225 Difference]: With dead ends: 837 [2024-11-27 23:21:35,833 INFO L226 Difference]: Without dead ends: 546 [2024-11-27 23:21:35,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:21:35,836 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 509 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:35,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 828 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:21:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-27 23:21:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 543. [2024-11-27 23:21:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 512 states have (on average 1.408203125) internal successors, (721), 513 states have internal predecessors, (721), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:21:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 773 transitions. [2024-11-27 23:21:35,897 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 773 transitions. Word has length 111 [2024-11-27 23:21:35,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:35,898 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 773 transitions. [2024-11-27 23:21:35,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 3.6) internal successors, (54), 19 states have internal predecessors, (54), 7 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-27 23:21:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 773 transitions. [2024-11-27 23:21:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 23:21:35,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:35,902 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:35,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 23:21:35,902 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:35,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:35,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1861825235, now seen corresponding path program 1 times [2024-11-27 23:21:35,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:21:35,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685570470] [2024-11-27 23:21:35,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:35,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:21:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:21:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831944841] [2024-11-27 23:21:36,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:36,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:36,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:36,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:36,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:21:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:21:36,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:21:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:21:37,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:21:37,414 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:21:37,415 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:21:37,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:37,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:37,621 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] [2024-11-27 23:21:37,828 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:21:37,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:21:37 BoogieIcfgContainer [2024-11-27 23:21:37,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:21:37,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:21:37,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:21:37,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:21:37,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:19:45" (3/4) ... [2024-11-27 23:21:37,845 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:21:37,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:21:37,847 INFO L158 Benchmark]: Toolchain (without parser) took 114545.80ms. Allocated memory was 142.6MB in the beginning and 822.1MB in the end (delta: 679.5MB). Free memory was 117.0MB in the beginning and 408.3MB in the end (delta: -291.3MB). Peak memory consumption was 392.3MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,848 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:21:37,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.52ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 101.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.07ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:21:37,851 INFO L158 Benchmark]: Boogie Preprocessor took 74.81ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,851 INFO L158 Benchmark]: RCFGBuilder took 1230.42ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 58.3MB in the end (delta: 35.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,851 INFO L158 Benchmark]: TraceAbstraction took 112549.31ms. Allocated memory was 142.6MB in the beginning and 822.1MB in the end (delta: 679.5MB). Free memory was 57.8MB in the beginning and 408.4MB in the end (delta: -350.7MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,851 INFO L158 Benchmark]: Witness Printer took 6.04ms. Allocated memory is still 822.1MB. Free memory was 408.4MB in the beginning and 408.3MB in the end (delta: 171.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:21:37,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 74.0MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.52ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 101.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.07ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 97.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.81ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1230.42ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 58.3MB in the end (delta: 35.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 112549.31ms. Allocated memory was 142.6MB in the beginning and 822.1MB in the end (delta: 679.5MB). Free memory was 57.8MB in the beginning and 408.4MB in the end (delta: -350.7MB). Peak memory consumption was 333.6MB. Max. memory is 16.1GB. * Witness Printer took 6.04ms. Allocated memory is still 822.1MB. Free memory was 408.4MB in the beginning and 408.3MB in the end (delta: 171.7kB). 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 107, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someUnaryDOUBLEoperation at line 43. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 10, 200, 56955, 32, 1, 8, 1, -0.6, 9.125, 50.5 }; [L47] unsigned short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] unsigned short int* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L49] unsigned short int* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L50] unsigned short int* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L51] unsigned short int* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L52] unsigned short int* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L53] unsigned char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L54] float* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L55] float* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L56] float* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L57] unsigned short int last_1_WrapperStruct00_var_1_1 = 10; [L58] unsigned short int last_1_WrapperStruct00_var_1_9 = 8; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=0, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L118] isInitial = 1 [L119] FCALL initially() [L121] CALL updateLastVariables() [L110] EXPR WrapperStruct00.var_1_1 [L110] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L111] EXPR WrapperStruct00.var_1_9 [L111] last_1_WrapperStruct00_var_1_9 = WrapperStruct00.var_1_9 [L121] RET updateLastVariables() [L122] CALL updateVariables() [L89] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ushort() [L90] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L91] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L92] WrapperStruct00.var_1_6 = __VERIFIER_nondet_ushort() [L93] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L94] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L95] WrapperStruct00.var_1_7 = __VERIFIER_nondet_ushort() [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L97] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L98] WrapperStruct00.var_1_8 = __VERIFIER_nondet_ushort() [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L100] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L101] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L103] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L104] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_12 [L105] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_12 [L105] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L105] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L106] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_13 [L107] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_13 [L107] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L107] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L122] RET updateVariables() [L123] CALL step() [L62] COND TRUE last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1) [L63] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L63] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L63] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L63] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L63] EXPR ((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))) [L63] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L63] EXPR ((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L63] EXPR (((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) [L63] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L63] EXPR (((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L63] (*(WrapperStruct00_var_1_1_Pointer)) = (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))) [L65] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L65] (*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer))) [L65] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L65] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L65] (*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L65] COND FALSE !((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) [L76] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L76] (*(WrapperStruct00_var_1_9_Pointer)) = (*(WrapperStruct00_var_1_6_Pointer)) [L78] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L78] EXPR \read(*WrapperStruct00_var_1_6_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L78] COND FALSE !((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) [L85] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L85] (*(WrapperStruct00_var_1_11_Pointer)) = (*(WrapperStruct00_var_1_12_Pointer)) [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR (last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1 [L114] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR ((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))) [L114] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L114] EXPR ((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR (((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) [L114] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L114] EXPR (((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR (last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR ((last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1) && (((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer))))) [L114] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L114] EXPR (*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer))) [L114] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L114] EXPR (*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR ((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))) [L114] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L114] EXPR ((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR ((last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1) && (((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR (((last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1) && (((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) && (((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) ? (((*(WrapperStruct00_var_1_7_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_12_Pointer))) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) [L114] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_6_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR ((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) ? (((*(WrapperStruct00_var_1_7_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_12_Pointer))) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer)))) [L114] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L114] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L114] EXPR ((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) ? (((*(WrapperStruct00_var_1_7_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_12_Pointer))) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114] EXPR (((last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1) && (((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) && (((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) ? (((*(WrapperStruct00_var_1_7_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_12_Pointer))) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L114-L115] return (((last_1_WrapperStruct00_var_1_9 <= (last_1_WrapperStruct00_var_1_9 * last_1_WrapperStruct00_var_1_1)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (((((*(WrapperStruct00_var_1_5_Pointer))) > (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer))))))) ? ((*(WrapperStruct00_var_1_5_Pointer))) : (((((((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) > ((*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) - (*(WrapperStruct00_var_1_7_Pointer)))) : ((*(WrapperStruct00_var_1_8_Pointer)))))))))) : 1) && (((*(WrapperStruct00_var_1_10_Pointer)) || ((*(WrapperStruct00_var_1_6_Pointer)) == (*(WrapperStruct00_var_1_8_Pointer)))) ? (((*(WrapperStruct00_var_1_6_Pointer)) <= (((((0) < ((*(WrapperStruct00_var_1_1_Pointer)))) ? (0) : ((*(WrapperStruct00_var_1_1_Pointer))))) << (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_6_Pointer)) * (*(WrapperStruct00_var_1_5_Pointer))))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_5_Pointer))))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_6_Pointer)))))) && (((*(WrapperStruct00_var_1_7_Pointer)) != (*(WrapperStruct00_var_1_6_Pointer))) ? (((*(WrapperStruct00_var_1_7_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) ? ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_12_Pointer))) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? ((*(WrapperStruct00_var_1_12_Pointer))) : ((*(WrapperStruct00_var_1_13_Pointer))))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) : ((*(WrapperStruct00_var_1_11_Pointer)) == ((float) (*(WrapperStruct00_var_1_12_Pointer))))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:12}, WrapperStruct00_var_1_11_Pointer={4:13}, WrapperStruct00_var_1_12_Pointer={4:17}, WrapperStruct00_var_1_13_Pointer={4:21}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_5_Pointer={4:2}, WrapperStruct00_var_1_6_Pointer={4:4}, WrapperStruct00_var_1_7_Pointer={4:6}, WrapperStruct00_var_1_8_Pointer={4:8}, WrapperStruct00_var_1_9_Pointer={4:10}, isInitial=1, last_1_WrapperStruct00_var_1_1=10, last_1_WrapperStruct00_var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.2s, OverallIterations: 22, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 39.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5645 SdHoareTripleChecker+Valid, 29.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5611 mSDsluCounter, 13374 SdHoareTripleChecker+Invalid, 26.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11036 mSDsCounter, 366 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15891 IncrementalHoareTripleChecker+Invalid, 16257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 366 mSolverCounterUnsat, 2338 mSDtfsCounter, 15891 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 789 GetRequests, 465 SyntacticMatches, 5 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=21, InterpolantAutomatonStates: 200, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 737 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 64.7s InterpolantComputationTime, 2778 NumberOfCodeBlocks, 2778 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2428 ConstructedInterpolants, 0 QuantifiedInterpolants, 43780 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1224 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 6017/6072 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 23:21:38,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/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_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:21:40,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:21:41,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:21:41,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:21:41,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:21:41,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:21:41,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:21:41,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:21:41,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:21:41,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:21:41,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:21:41,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:21:41,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:21:41,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:21:41,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:21:41,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:21:41,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:21:41,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:21:41,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:21:41,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:21:41,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:21:41,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:21:41,076 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:21:41,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:21:41,077 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:21:41,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:21:41,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:21:41,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:21:41,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:21:41,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:21:41,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:21:41,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:21:41,079 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_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c554ccc5a601f8437729d4334efbdb5f23a6f490bc0338089a1c3e75130cdbec [2024-11-27 23:21:41,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:21:41,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:21:41,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:21:41,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:21:41,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:21:41,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:21:44,906 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/cb476b692/82c07d7f033e4028968c1d36025558ed/FLAGa96496861 [2024-11-27 23:21:45,324 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:21:45,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:21:45,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/cb476b692/82c07d7f033e4028968c1d36025558ed/FLAGa96496861 [2024-11-27 23:21:45,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/data/cb476b692/82c07d7f033e4028968c1d36025558ed [2024-11-27 23:21:45,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:21:45,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:21:45,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:21:45,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:21:45,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:21:45,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7801d2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45, skipping insertion in model container [2024-11-27 23:21:45,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:21:45,627 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_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2024-11-27 23:21:45,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:21:45,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:21:45,761 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_5bb24318-de59-45de-9219-2e0d974c9a6a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-2.i[916,929] [2024-11-27 23:21:45,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:21:45,872 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:21:45,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45 WrapperNode [2024-11-27 23:21:45,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:21:45,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:21:45,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:21:45,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:21:45,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,941 INFO L138 Inliner]: procedures = 34, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 506 [2024-11-27 23:21:45,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:21:45,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:21:45,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:21:45,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:21:45,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,984 INFO L175 MemorySlicer]: Split 132 memory accesses to 2 slices as follows [2, 130]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 26 writes are split as follows [0, 26]. [2024-11-27 23:21:45,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:45,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:21:46,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:21:46,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:21:46,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:21:46,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (1/1) ... [2024-11-27 23:21:46,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:21:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:46,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:21:46,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:21:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:21:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-27 23:21:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:21:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-27 23:21:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:21:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:21:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:21:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:21:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-27 23:21:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-27 23:21:46,317 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:21:46,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:21:47,419 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-27 23:21:47,419 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:21:47,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:21:47,436 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:21:47,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:21:47 BoogieIcfgContainer [2024-11-27 23:21:47,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:21:47,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:21:47,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:21:47,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:21:47,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:21:45" (1/3) ... [2024-11-27 23:21:47,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a131a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:21:47, skipping insertion in model container [2024-11-27 23:21:47,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:45" (2/3) ... [2024-11-27 23:21:47,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a131a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:21:47, skipping insertion in model container [2024-11-27 23:21:47,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:21:47" (3/3) ... [2024-11-27 23:21:47,458 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-2.i [2024-11-27 23:21:47,474 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:21:47,476 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-2.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:21:47,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:21:47,573 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;@740a8f6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:21:47,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:21:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 85 states have (on average 1.4588235294117646) internal successors, (124), 86 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:21:47,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:47,592 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:47,592 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:47,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:47,599 INFO L85 PathProgramCache]: Analyzing trace with hash 630230807, now seen corresponding path program 1 times [2024-11-27 23:21:47,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:47,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350347448] [2024-11-27 23:21:47,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:47,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:47,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:47,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 23:21:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:48,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:21:48,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-27 23:21:48,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:48,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:48,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350347448] [2024-11-27 23:21:48,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350347448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:48,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:48,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:21:48,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790456028] [2024-11-27 23:21:48,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:48,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:21:48,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:48,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:21:48,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:21:48,134 INFO L87 Difference]: Start difference. First operand has 100 states, 85 states have (on average 1.4588235294117646) internal successors, (124), 86 states have internal predecessors, (124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:21:48,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:48,165 INFO L93 Difference]: Finished difference Result 193 states and 302 transitions. [2024-11-27 23:21:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:21:48,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-11-27 23:21:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:48,176 INFO L225 Difference]: With dead ends: 193 [2024-11-27 23:21:48,177 INFO L226 Difference]: Without dead ends: 96 [2024-11-27 23:21:48,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:21:48,184 INFO L435 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:48,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:21:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-27 23:21:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-27 23:21:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2024-11-27 23:21:48,257 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 100 [2024-11-27 23:21:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:48,258 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2024-11-27 23:21:48,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:21:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2024-11-27 23:21:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:21:48,267 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:48,267 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:48,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 23:21:48,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:48,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:48,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:48,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1947440875, now seen corresponding path program 1 times [2024-11-27 23:21:48,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:48,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303002080] [2024-11-27 23:21:48,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:48,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:48,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:48,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 23:21:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:48,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:21:48,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 23:21:48,975 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:48,975 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303002080] [2024-11-27 23:21:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303002080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:48,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476007659] [2024-11-27 23:21:48,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:48,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:21:48,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:48,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:21:48,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:48,979 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:21:49,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:49,080 INFO L93 Difference]: Finished difference Result 191 states and 282 transitions. [2024-11-27 23:21:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:21:49,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2024-11-27 23:21:49,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:49,083 INFO L225 Difference]: With dead ends: 191 [2024-11-27 23:21:49,083 INFO L226 Difference]: Without dead ends: 98 [2024-11-27 23:21:49,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:49,085 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:49,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:21:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-27 23:21:49,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-27 23:21:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 143 transitions. [2024-11-27 23:21:49,114 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 143 transitions. Word has length 100 [2024-11-27 23:21:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:49,116 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 143 transitions. [2024-11-27 23:21:49,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 23:21:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2024-11-27 23:21:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:21:49,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:49,122 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:49,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 23:21:49,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:49,323 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:49,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:49,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1503520919, now seen corresponding path program 1 times [2024-11-27 23:21:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092641614] [2024-11-27 23:21:49,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:49,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:49,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:49,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:49,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 23:21:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:49,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:21:49,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:49,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:49,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:49,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092641614] [2024-11-27 23:21:49,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092641614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:49,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:49,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:21:49,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953143749] [2024-11-27 23:21:49,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:49,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:21:49,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:49,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:21:49,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:49,743 INFO L87 Difference]: Start difference. First operand 98 states and 143 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:49,794 INFO L93 Difference]: Finished difference Result 194 states and 285 transitions. [2024-11-27 23:21:49,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:21:49,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2024-11-27 23:21:49,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:49,797 INFO L225 Difference]: With dead ends: 194 [2024-11-27 23:21:49,799 INFO L226 Difference]: Without dead ends: 99 [2024-11-27 23:21:49,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:49,801 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 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 [2024-11-27 23:21:49,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:21:49,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-27 23:21:49,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-27 23:21:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.411764705882353) internal successors, (120), 85 states have internal predecessors, (120), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2024-11-27 23:21:49,819 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 100 [2024-11-27 23:21:49,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:49,821 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2024-11-27 23:21:49,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:49,822 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2024-11-27 23:21:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:21:49,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:49,829 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:49,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 23:21:50,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:50,030 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:50,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:50,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1780329127, now seen corresponding path program 1 times [2024-11-27 23:21:50,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:50,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344707832] [2024-11-27 23:21:50,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:50,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:50,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:50,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:50,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 23:21:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:50,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:21:50,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:50,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:50,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344707832] [2024-11-27 23:21:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [344707832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:50,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:50,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:21:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136908120] [2024-11-27 23:21:50,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:50,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:21:50,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:50,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:21:50,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:50,462 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:50,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:50,521 INFO L93 Difference]: Finished difference Result 197 states and 288 transitions. [2024-11-27 23:21:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:21:50,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2024-11-27 23:21:50,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:50,523 INFO L225 Difference]: With dead ends: 197 [2024-11-27 23:21:50,523 INFO L226 Difference]: Without dead ends: 101 [2024-11-27 23:21:50,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:50,529 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:50,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:21:50,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-27 23:21:50,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-27 23:21:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 87 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2024-11-27 23:21:50,547 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 100 [2024-11-27 23:21:50,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:50,548 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2024-11-27 23:21:50,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2024-11-27 23:21:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:21:50,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:50,552 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:50,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-27 23:21:50,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:50,757 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:50,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:50,758 INFO L85 PathProgramCache]: Analyzing trace with hash 565363524, now seen corresponding path program 1 times [2024-11-27 23:21:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:50,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445849582] [2024-11-27 23:21:50,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:50,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:50,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:50,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 23:21:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:51,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:21:51,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:51,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:51,430 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:51,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445849582] [2024-11-27 23:21:51,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445849582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:51,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:51,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:21:51,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843585138] [2024-11-27 23:21:51,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:51,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:21:51,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:51,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:21:51,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:51,432 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:51,644 INFO L93 Difference]: Finished difference Result 240 states and 350 transitions. [2024-11-27 23:21:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:21:51,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-27 23:21:51,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:51,649 INFO L225 Difference]: With dead ends: 240 [2024-11-27 23:21:51,650 INFO L226 Difference]: Without dead ends: 142 [2024-11-27 23:21:51,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:21:51,651 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 54 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:51,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 276 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:21:51,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-27 23:21:51,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 117. [2024-11-27 23:21:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 103 states have internal predecessors, (147), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-27 23:21:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2024-11-27 23:21:51,662 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 103 [2024-11-27 23:21:51,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:51,663 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2024-11-27 23:21:51,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2024-11-27 23:21:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:21:51,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:51,665 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:51,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:21:51,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:51,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:51,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1532789938, now seen corresponding path program 1 times [2024-11-27 23:21:51,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:51,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451137326] [2024-11-27 23:21:51,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:51,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:51,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:51,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:51,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 23:21:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:52,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:21:52,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:52,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2024-11-27 23:21:52,558 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 98 treesize of output 86 [2024-11-27 23:21:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:21:53,368 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:53,368 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:21:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451137326] [2024-11-27 23:21:53,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451137326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:53,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:21:53,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:21:53,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266367199] [2024-11-27 23:21:53,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:53,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:21:53,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:21:53,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:21:53,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:21:53,371 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:21:55,288 INFO L93 Difference]: Finished difference Result 328 states and 481 transitions. [2024-11-27 23:21:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:21:55,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2024-11-27 23:21:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:21:55,294 INFO L225 Difference]: With dead ends: 328 [2024-11-27 23:21:55,294 INFO L226 Difference]: Without dead ends: 214 [2024-11-27 23:21:55,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:21:55,297 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 91 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:21:55,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 337 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:21:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-27 23:21:55,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-27 23:21:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 155 states have (on average 1.4) internal successors, (217), 155 states have internal predecessors, (217), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:21:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 265 transitions. [2024-11-27 23:21:55,327 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 265 transitions. Word has length 103 [2024-11-27 23:21:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:21:55,328 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 265 transitions. [2024-11-27 23:21:55,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:21:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 265 transitions. [2024-11-27 23:21:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:21:55,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:21:55,330 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:21:55,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-27 23:21:55,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:55,535 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:21:55,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:21:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash 883165602, now seen corresponding path program 1 times [2024-11-27 23:21:55,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:21:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440301442] [2024-11-27 23:21:55,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:55,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:21:55,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:21:55,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:21:55,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 23:21:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:55,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-27 23:21:55,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:57,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:21:58,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-27 23:22:00,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-27 23:22:01,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-27 23:22:02,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-27 23:22:03,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-27 23:22:04,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2024-11-27 23:22:04,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2024-11-27 23:22:04,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2024-11-27 23:22:05,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:22:05,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 31 [2024-11-27 23:22:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 80 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:22:05,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:25,402 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_step_#t~ite20#1| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_44| (_ BitVec 32)) (v_ArrVal_238 (_ BitVec 32)) (|ULTIMATE.start_property_#t~mem84#1| (_ BitVec 16))) (let ((.cse1 (let ((.cse2 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset ((_ sign_extend 16) ((_ extract 15 0) |ULTIMATE.start_step_#t~ite20#1|)))))) (store .cse2 c_~WrapperStruct00_var_1_9_Pointer~0.base (store (select .cse2 c_~WrapperStruct00_var_1_9_Pointer~0.base) c_~WrapperStruct00_var_1_9_Pointer~0.offset v_ArrVal_238))))) (or (not (bvsgt (let ((.cse0 (store .cse1 c_~WrapperStruct00_var_1_11_Pointer~0.base (store (select .cse1 c_~WrapperStruct00_var_1_11_Pointer~0.base) c_~WrapperStruct00_var_1_11_Pointer~0.offset |v_skolemized_q#valueAsBitvector_44|)))) (bvadd (bvneg ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~WrapperStruct00_var_1_7_Pointer~0.base) c_~WrapperStruct00_var_1_7_Pointer~0.offset)))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset))))) ((_ zero_extend 16) |ULTIMATE.start_property_#t~mem84#1|))) (not (= ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~WrapperStruct00_var_1_6_Pointer~0.base) c_~WrapperStruct00_var_1_6_Pointer~0.offset))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse1 c_~WrapperStruct00_var_1_7_Pointer~0.base) c_~WrapperStruct00_var_1_7_Pointer~0.offset)))))))) is different from false [2024-11-27 23:22:25,823 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:22:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440301442] [2024-11-27 23:22:25,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440301442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:25,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [658360559] [2024-11-27 23:22:25,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:25,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:22:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:22:25,830 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:22:25,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-27 23:22:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:26,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 23:22:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:28,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:22:31,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 23:22:34,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 23:22:36,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 23:22:37,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 23:22:38,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 23:22:40,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-27 23:22:41,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:22:42,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 42 [2024-11-27 23:22:42,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-27 23:22:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 139 proven. 80 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:22:42,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:47,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [658360559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:47,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:22:47,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 32 [2024-11-27 23:22:47,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616871199] [2024-11-27 23:22:47,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:47,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-27 23:22:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:22:47,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-27 23:22:47,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1188, Unknown=2, NotChecked=72, Total=1482 [2024-11-27 23:22:47,858 INFO L87 Difference]: Start difference. First operand 182 states and 265 transitions. Second operand has 33 states, 29 states have (on average 4.137931034482759) internal successors, (120), 31 states have internal predecessors, (120), 13 states have call successors, (24), 10 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) [2024-11-27 23:23:05,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:05,894 INFO L93 Difference]: Finished difference Result 421 states and 578 transitions. [2024-11-27 23:23:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-27 23:23:05,895 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 29 states have (on average 4.137931034482759) internal successors, (120), 31 states have internal predecessors, (120), 13 states have call successors, (24), 10 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) Word has length 106 [2024-11-27 23:23:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:05,898 INFO L225 Difference]: With dead ends: 421 [2024-11-27 23:23:05,898 INFO L226 Difference]: Without dead ends: 307 [2024-11-27 23:23:05,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 218 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 35.7s TimeCoverageRelationStatistics Valid=637, Invalid=2445, Unknown=2, NotChecked=108, Total=3192 [2024-11-27 23:23:05,902 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 1175 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:05,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 739 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-27 23:23:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-27 23:23:05,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 248. [2024-11-27 23:23:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 211 states have (on average 1.3507109004739337) internal successors, (285), 212 states have internal predecessors, (285), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:23:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 337 transitions. [2024-11-27 23:23:05,970 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 337 transitions. Word has length 106 [2024-11-27 23:23:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:05,971 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 337 transitions. [2024-11-27 23:23:05,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 29 states have (on average 4.137931034482759) internal successors, (120), 31 states have internal predecessors, (120), 13 states have call successors, (24), 10 states have call predecessors, (24), 13 states have return successors, (24), 9 states have call predecessors, (24), 13 states have call successors, (24) [2024-11-27 23:23:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 337 transitions. [2024-11-27 23:23:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:23:05,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:05,973 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:05,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-27 23:23:06,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-27 23:23:06,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:23:06,374 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:06,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1584230180, now seen corresponding path program 1 times [2024-11-27 23:23:06,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:23:06,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317466229] [2024-11-27 23:23:06,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:23:06,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:23:06,379 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:23:06,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 23:23:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:06,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 23:23:06,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:07,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:23:08,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:09,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:10,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:11,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:11,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:12,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:13,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-27 23:23:13,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-27 23:23:14,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-11-27 23:23:14,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:23:14,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-27 23:23:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 23:23:14,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:17,840 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:23:17,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317466229] [2024-11-27 23:23:17,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317466229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:17,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [290860353] [2024-11-27 23:23:17,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:17,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:23:17,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:23:17,843 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:23:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-27 23:23:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:19,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:23:19,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:19,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:23:20,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:23:22,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-27 23:23:23,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-27 23:23:24,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-27 23:23:26,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-27 23:23:27,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-27 23:23:29,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 52 [2024-11-27 23:23:30,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-11-27 23:23:30,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2024-11-27 23:23:31,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 29 [2024-11-27 23:23:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 176 proven. 44 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-27 23:23:31,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:23:32,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [290860353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:32,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:23:32,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 21 [2024-11-27 23:23:32,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487989743] [2024-11-27 23:23:32,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:23:32,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:23:32,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:23:32,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:23:32,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2024-11-27 23:23:32,437 INFO L87 Difference]: Start difference. First operand 248 states and 337 transitions. Second operand has 22 states, 22 states have (on average 4.7272727272727275) internal successors, (104), 21 states have internal predecessors, (104), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-27 23:23:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:41,279 INFO L93 Difference]: Finished difference Result 487 states and 675 transitions. [2024-11-27 23:23:41,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:23:41,280 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.7272727272727275) internal successors, (104), 21 states have internal predecessors, (104), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 106 [2024-11-27 23:23:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:41,282 INFO L225 Difference]: With dead ends: 487 [2024-11-27 23:23:41,282 INFO L226 Difference]: Without dead ends: 325 [2024-11-27 23:23:41,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 229 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=277, Invalid=1129, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:23:41,284 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 1008 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:41,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 560 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-27 23:23:41,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-27 23:23:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 290. [2024-11-27 23:23:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 253 states have (on average 1.3794466403162056) internal successors, (349), 254 states have internal predecessors, (349), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-27 23:23:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 401 transitions. [2024-11-27 23:23:41,323 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 401 transitions. Word has length 106 [2024-11-27 23:23:41,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:41,323 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 401 transitions. [2024-11-27 23:23:41,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.7272727272727275) internal successors, (104), 21 states have internal predecessors, (104), 7 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-27 23:23:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 401 transitions. [2024-11-27 23:23:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:23:41,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:41,325 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:41,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-27 23:23:41,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-27 23:23:41,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:23:41,726 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:23:41,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:41,726 INFO L85 PathProgramCache]: Analyzing trace with hash 239391488, now seen corresponding path program 1 times [2024-11-27 23:23:41,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:23:41,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [259499399] [2024-11-27 23:23:41,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:41,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:23:41,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:23:41,729 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:23:41,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-27 23:23:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:42,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-27 23:23:42,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:42,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:23:44,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 23:23:45,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 23:23:47,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 23:23:48,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 23:23:50,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 23:23:51,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 23:23:54,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2024-11-27 23:23:54,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2024-11-27 23:23:55,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2024-11-27 23:23:55,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:23:55,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 31 [2024-11-27 23:23:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 48 proven. 71 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 23:23:55,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:27,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:24:27,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [259499399] [2024-11-27 23:24:27,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [259499399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:24:27,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [935906935] [2024-11-27 23:24:27,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:24:27,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:24:27,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:24:27,362 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:24:27,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-27 23:24:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:28,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-27 23:24:28,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:30,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:24:35,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 23:24:41,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 23:24:47,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 45 [2024-11-27 23:24:51,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 53 [2024-11-27 23:24:56,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2024-11-27 23:25:00,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 51 [2024-11-27 23:25:07,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 74 [2024-11-27 23:25:09,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 80 [2024-11-27 23:25:11,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 89 [2024-11-27 23:25:13,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2024-11-27 23:25:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 101 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 23:25:13,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:25:50,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [935906935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:25:50,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:25:50,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 28] total 43 [2024-11-27 23:25:50,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384026761] [2024-11-27 23:25:50,608 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:25:50,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-27 23:25:50,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:25:50,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-27 23:25:50,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=3218, Unknown=8, NotChecked=0, Total=3660 [2024-11-27 23:25:50,612 INFO L87 Difference]: Start difference. First operand 290 states and 401 transitions. Second operand has 44 states, 40 states have (on average 3.025) internal successors, (121), 40 states have internal predecessors, (121), 12 states have call successors, (24), 9 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) [2024-11-27 23:26:37,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:37,721 INFO L93 Difference]: Finished difference Result 669 states and 925 transitions. [2024-11-27 23:26:37,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 23:26:37,724 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 40 states have (on average 3.025) internal successors, (121), 40 states have internal predecessors, (121), 12 states have call successors, (24), 9 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) Word has length 108 [2024-11-27 23:26:37,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:37,727 INFO L225 Difference]: With dead ends: 669 [2024-11-27 23:26:37,728 INFO L226 Difference]: Without dead ends: 484 [2024-11-27 23:26:37,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2211 ImplicationChecksByTransitivity, 104.6s TimeCoverageRelationStatistics Valid=1177, Invalid=6125, Unknown=8, NotChecked=0, Total=7310 [2024-11-27 23:26:37,731 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 1518 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:37,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 1082 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 27.4s Time] [2024-11-27 23:26:37,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-27 23:26:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 312. [2024-11-27 23:26:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 275 states have (on average 1.3927272727272728) internal successors, (383), 275 states have internal predecessors, (383), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:26:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 431 transitions. [2024-11-27 23:26:37,804 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 431 transitions. Word has length 108 [2024-11-27 23:26:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:37,805 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 431 transitions. [2024-11-27 23:26:37,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 40 states have (on average 3.025) internal successors, (121), 40 states have internal predecessors, (121), 12 states have call successors, (24), 9 states have call predecessors, (24), 12 states have return successors, (24), 10 states have call predecessors, (24), 12 states have call successors, (24) [2024-11-27 23:26:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 431 transitions. [2024-11-27 23:26:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:26:37,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:37,807 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:37,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:26:38,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-27 23:26:38,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:26:38,208 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:38,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:38,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1233591454, now seen corresponding path program 1 times [2024-11-27 23:26:38,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:26:38,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695544755] [2024-11-27 23:26:38,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:26:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:26:38,212 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:26:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-27 23:26:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:38,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:26:38,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:38,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:26:38,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 62 [2024-11-27 23:26:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-27 23:26:39,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:26:39,356 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:26:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695544755] [2024-11-27 23:26:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695544755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:26:39,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:26:39,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235970409] [2024-11-27 23:26:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:39,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:26:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:26:39,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:26:39,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:26:39,359 INFO L87 Difference]: Start difference. First operand 312 states and 431 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:26:44,362 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] [2024-11-27 23:26:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:45,155 INFO L93 Difference]: Finished difference Result 521 states and 727 transitions. [2024-11-27 23:26:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:26:45,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-27 23:26:45,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:45,159 INFO L225 Difference]: With dead ends: 521 [2024-11-27 23:26:45,159 INFO L226 Difference]: Without dead ends: 318 [2024-11-27 23:26:45,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:26:45,161 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 4 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:45,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 403 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-27 23:26:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-27 23:26:45,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 314. [2024-11-27 23:26:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 277 states have (on average 1.3898916967509025) internal successors, (385), 277 states have internal predecessors, (385), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:26:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 433 transitions. [2024-11-27 23:26:45,221 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 433 transitions. Word has length 108 [2024-11-27 23:26:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:45,221 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 433 transitions. [2024-11-27 23:26:45,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-27 23:26:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 433 transitions. [2024-11-27 23:26:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:26:45,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:45,224 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:45,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-27 23:26:45,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:26:45,424 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:45,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1656293280, now seen corresponding path program 1 times [2024-11-27 23:26:45,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:26:45,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531686649] [2024-11-27 23:26:45,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:45,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:26:45,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:26:45,430 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:26:45,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-27 23:26:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:45,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 23:26:45,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:26:46,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:26:49,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-27 23:26:52,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-27 23:26:54,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-27 23:26:56,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 23:26:59,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-27 23:27:00,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-27 23:27:04,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2024-11-27 23:27:04,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2024-11-27 23:27:05,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2024-11-27 23:27:06,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:27:06,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 36 [2024-11-27 23:27:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 120 proven. 71 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-27 23:27:06,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:27:32,411 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:27:32,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531686649] [2024-11-27 23:27:32,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531686649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:27:32,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [742911770] [2024-11-27 23:27:32,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:27:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:27:32,414 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:27:32,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-27 23:27:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:27:33,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-27 23:27:33,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:27:34,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:27:40,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 23:27:47,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-27 23:27:54,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2024-11-27 23:27:59,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 58 [2024-11-27 23:28:05,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-11-27 23:28:08,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-11-27 23:28:16,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2024-11-27 23:28:19,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 76 [2024-11-27 23:28:21,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 83 [2024-11-27 23:28:23,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-11-27 23:28:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 145 proven. 101 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 23:28:24,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:29:00,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [742911770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:29:00,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:29:00,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 30] total 46 [2024-11-27 23:29:00,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704574240] [2024-11-27 23:29:00,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:29:00,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-27 23:29:00,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:29:00,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-27 23:29:00,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=3552, Unknown=10, NotChecked=0, Total=4032 [2024-11-27 23:29:00,664 INFO L87 Difference]: Start difference. First operand 314 states and 433 transitions. Second operand has 47 states, 43 states have (on average 3.0) internal successors, (129), 43 states have internal predecessors, (129), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-27 23:29:34,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:29:43,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:29:55,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:30:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:30:13,391 INFO L93 Difference]: Finished difference Result 680 states and 946 transitions. [2024-11-27 23:30:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 23:30:13,393 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 43 states have (on average 3.0) internal successors, (129), 43 states have internal predecessors, (129), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) Word has length 108 [2024-11-27 23:30:13,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:30:13,396 INFO L225 Difference]: With dead ends: 680 [2024-11-27 23:30:13,396 INFO L226 Difference]: Without dead ends: 496 [2024-11-27 23:30:13,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2368 ImplicationChecksByTransitivity, 103.8s TimeCoverageRelationStatistics Valid=1310, Invalid=6870, Unknown=10, NotChecked=0, Total=8190 [2024-11-27 23:30:13,402 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 1070 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 3397 mSolverCounterSat, 120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 3518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:30:13,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1882 Invalid, 3518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3397 Invalid, 1 Unknown, 0 Unchecked, 52.1s Time] [2024-11-27 23:30:13,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-27 23:30:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 357. [2024-11-27 23:30:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 320 states have (on average 1.403125) internal successors, (449), 320 states have internal predecessors, (449), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:30:13,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 497 transitions. [2024-11-27 23:30:13,463 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 497 transitions. Word has length 108 [2024-11-27 23:30:13,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:30:13,463 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 497 transitions. [2024-11-27 23:30:13,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 43 states have (on average 3.0) internal successors, (129), 43 states have internal predecessors, (129), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-27 23:30:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 497 transitions. [2024-11-27 23:30:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 23:30:13,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:30:13,465 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:13,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-27 23:30:13,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-27 23:30:13,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:13,867 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:30:13,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2044829822, now seen corresponding path program 1 times [2024-11-27 23:30:13,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:30:13,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791246453] [2024-11-27 23:30:13,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:13,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:30:13,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:30:13,870 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:30:13,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-27 23:30:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:14,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-27 23:30:14,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:16,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:30:18,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 23:30:21,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-27 23:30:23,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-27 23:30:25,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-27 23:30:26,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-27 23:30:29,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 60 [2024-11-27 23:30:30,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 63 [2024-11-27 23:30:30,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:30:30,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 47 [2024-11-27 23:30:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 137 proven. 80 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 23:30:31,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:30:43,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:30:43,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791246453] [2024-11-27 23:30:43,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791246453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:30:43,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1772463909] [2024-11-27 23:30:43,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:30:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:30:43,998 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:30:44,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-27 23:30:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:44,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 23:30:44,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:30:47,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-27 23:30:50,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-27 23:30:54,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-11-27 23:30:56,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-27 23:30:59,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:31:01,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:31:04,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 55 [2024-11-27 23:31:05,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2024-11-27 23:31:06,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 39 [2024-11-27 23:31:07,040 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 158 proven. 80 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-27 23:31:07,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:31:09,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1772463909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:31:09,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:31:09,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-11-27 23:31:09,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198731606] [2024-11-27 23:31:09,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:31:09,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-27 23:31:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:31:09,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-27 23:31:09,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1718, Unknown=2, NotChecked=0, Total=1980 [2024-11-27 23:31:09,475 INFO L87 Difference]: Start difference. First operand 357 states and 497 transitions. Second operand has 36 states, 32 states have (on average 3.84375) internal successors, (123), 34 states have internal predecessors, (123), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 10 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-27 23:31:52,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:31:54,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:32:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:32:16,568 INFO L93 Difference]: Finished difference Result 574 states and 800 transitions. [2024-11-27 23:32:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-27 23:32:16,569 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 32 states have (on average 3.84375) internal successors, (123), 34 states have internal predecessors, (123), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 10 states have call predecessors, (24), 14 states have call successors, (24) Word has length 108 [2024-11-27 23:32:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:32:16,571 INFO L225 Difference]: With dead ends: 574 [2024-11-27 23:32:16,571 INFO L226 Difference]: Without dead ends: 363 [2024-11-27 23:32:16,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 221 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1577 ImplicationChecksByTransitivity, 43.8s TimeCoverageRelationStatistics Valid=958, Invalid=4442, Unknown=2, NotChecked=0, Total=5402 [2024-11-27 23:32:16,574 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 370 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 2130 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 2130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:32:16,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 940 Invalid, 2263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 2130 Invalid, 0 Unknown, 0 Unchecked, 49.9s Time] [2024-11-27 23:32:16,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-27 23:32:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 347. [2024-11-27 23:32:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 310 states have (on average 1.396774193548387) internal successors, (433), 310 states have internal predecessors, (433), 24 states have call successors, (24), 12 states have call predecessors, (24), 12 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-27 23:32:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 481 transitions. [2024-11-27 23:32:16,654 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 481 transitions. Word has length 108 [2024-11-27 23:32:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:32:16,654 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 481 transitions. [2024-11-27 23:32:16,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 32 states have (on average 3.84375) internal successors, (123), 34 states have internal predecessors, (123), 14 states have call successors, (24), 11 states have call predecessors, (24), 14 states have return successors, (24), 10 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-27 23:32:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 481 transitions. [2024-11-27 23:32:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 23:32:16,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:32:16,656 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:16,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-27 23:32:16,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-27 23:32:17,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:17,057 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:32:17,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 704582421, now seen corresponding path program 1 times [2024-11-27 23:32:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:32:17,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623231560] [2024-11-27 23:32:17,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:17,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:32:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:32:17,061 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:32:17,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-27 23:32:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:17,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 23:32:17,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:19,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-27 23:32:22,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 23:32:25,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-27 23:32:28,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:32:30,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:32:32,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2024-11-27 23:32:35,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 49 [2024-11-27 23:32:35,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2024-11-27 23:32:36,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-27 23:32:38,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:32:38,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 103 treesize of output 55 [2024-11-27 23:32:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 137 proven. 80 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 23:32:38,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:32:46,166 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:32:46,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623231560] [2024-11-27 23:32:46,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623231560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:32:46,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1318677123] [2024-11-27 23:32:46,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:46,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:32:46,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:32:46,168 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:32:46,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb24318-de59-45de-9219-2e0d974c9a6a/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-27 23:32:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:47,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-27 23:32:47,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:32:49,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:32:53,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 23:32:58,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-27 23:33:01,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:33:03,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:33:05,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 23:33:08,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-27 23:33:09,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 56 [2024-11-27 23:33:10,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 66 [2024-11-27 23:33:12,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2024-11-27 23:33:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 137 proven. 80 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 23:33:12,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:13,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1318677123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:13,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:33:13,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 36 [2024-11-27 23:33:13,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21986999] [2024-11-27 23:33:13,647 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:13,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-27 23:33:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:33:13,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-27 23:33:13,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1553, Unknown=1, NotChecked=0, Total=1806 [2024-11-27 23:33:13,649 INFO L87 Difference]: Start difference. First operand 347 states and 481 transitions. Second operand has 37 states, 33 states have (on average 4.03030303030303) internal successors, (133), 34 states have internal predecessors, (133), 14 states have call successors, (24), 10 states have call predecessors, (24), 14 states have return successors, (24), 12 states have call predecessors, (24), 14 states have call successors, (24)