./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.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_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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_9923fe47-9e02-4329-beb5-d25780351e6f/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 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:51,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:51,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:06:51,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:51,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:51,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:51,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:51,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:51,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:51,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:51,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:06:51,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:06:51,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:51,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:51,281 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:51,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:51,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:06:51,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:51,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:51,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:51,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:51,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:06:51,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:06:51,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:06:51,285 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_9923fe47-9e02-4329-beb5-d25780351e6f/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 -> 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 [2024-11-28 02:06:51,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:51,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:51,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:51,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:51,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:51,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:06:54,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/e8048bbdf/799d0764a53a42f7b2acd7b1d1d420af/FLAG934cee42a [2024-11-28 02:06:55,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:55,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:06:55,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/e8048bbdf/799d0764a53a42f7b2acd7b1d1d420af/FLAG934cee42a [2024-11-28 02:06:55,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/e8048bbdf/799d0764a53a42f7b2acd7b1d1d420af [2024-11-28 02:06:55,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:55,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:55,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:55,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:55,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:55,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40768bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55, skipping insertion in model container [2024-11-28 02:06:55,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:55,564 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_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2024-11-28 02:06:55,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:55,680 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_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2024-11-28 02:06:55,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:55,770 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:55,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55 WrapperNode [2024-11-28 02:06:55,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:55,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:55,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:55,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,835 INFO L138 Inliner]: procedures = 30, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 491 [2024-11-28 02:06:55,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:55,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:55,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:55,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,863 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 02:06:55,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:06:55,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:06:55,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:06:55,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:06:55,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (1/1) ... [2024-11-28 02:06:55,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:55,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:55,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:06:55,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:06:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:06:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 02:06:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-28 02:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-28 02:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-28 02:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:06:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:06:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:06:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:06:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:06:56,141 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:06:56,144 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:06:56,936 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-28 02:06:56,937 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:06:56,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:06:56,957 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:06:56,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:56 BoogieIcfgContainer [2024-11-28 02:06:56,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:06:56,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:06:56,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:06:56,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:06:56,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:06:55" (1/3) ... [2024-11-28 02:06:56,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c71a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:56, skipping insertion in model container [2024-11-28 02:06:56,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:55" (2/3) ... [2024-11-28 02:06:56,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c71a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:06:56, skipping insertion in model container [2024-11-28 02:06:56,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:56" (3/3) ... [2024-11-28 02:06:56,972 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:06:56,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:06:56,993 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-73.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:06:57,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:06:57,095 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;@3254f828, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:06:57,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:06:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:06:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:06:57,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:06:57,118 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:57,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:06:57,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash -282641606, now seen corresponding path program 1 times [2024-11-28 02:06:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:57,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326705315] [2024-11-28 02:06:57,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 02:06:57,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:57,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326705315] [2024-11-28 02:06:57,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326705315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:57,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151179706] [2024-11-28 02:06:57,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:57,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:57,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:57,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:06:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:57,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:06:58,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 02:06:58,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:06:58,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151179706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:58,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:06:58,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:06:58,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316935813] [2024-11-28 02:06:58,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:58,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:06:58,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:58,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:06:58,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:06:58,092 INFO L87 Difference]: Start difference. First operand has 110 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:06:58,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:58,139 INFO L93 Difference]: Finished difference Result 213 states and 333 transitions. [2024-11-28 02:06:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:06:58,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-28 02:06:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:06:58,148 INFO L225 Difference]: With dead ends: 213 [2024-11-28 02:06:58,148 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 02:06:58,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:06:58,154 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:06:58,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:06:58,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 02:06:58,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-28 02:06:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:06:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-11-28 02:06:58,209 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 129 [2024-11-28 02:06:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:06:58,211 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-11-28 02:06:58,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:06:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-11-28 02:06:58,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:06:58,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:06:58,216 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:58,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:06:58,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:06:58,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:06:58,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:58,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1163314308, now seen corresponding path program 1 times [2024-11-28 02:06:58,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:58,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233369140] [2024-11-28 02:06:58,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:58,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 02:06:59,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:06:59,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233369140] [2024-11-28 02:06:59,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233369140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:06:59,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080023186] [2024-11-28 02:06:59,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:06:59,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:06:59,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:06:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:06:59,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:06:59,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:06:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:06:59,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:06:59,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080023186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:06:59,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:06:59,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-28 02:06:59,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308982706] [2024-11-28 02:06:59,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:06:59,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:06:59,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:06:59,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:06:59,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:06:59,466 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:06:59,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:06:59,524 INFO L93 Difference]: Finished difference Result 212 states and 311 transitions. [2024-11-28 02:06:59,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:06:59,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2024-11-28 02:06:59,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:06:59,527 INFO L225 Difference]: With dead ends: 212 [2024-11-28 02:06:59,527 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:06:59,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:06:59,529 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:06:59,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:06:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:06:59,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-28 02:06:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:06:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2024-11-28 02:06:59,540 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 129 [2024-11-28 02:06:59,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:06:59,542 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2024-11-28 02:06:59,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:06:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-28 02:06:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:06:59,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:06:59,546 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:06:59,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:06:59,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:06:59,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:06:59,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:06:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1161467266, now seen corresponding path program 1 times [2024-11-28 02:06:59,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:06:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546632095] [2024-11-28 02:06:59,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:06:59,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:06:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 02:07:00,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:00,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546632095] [2024-11-28 02:07:00,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546632095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:00,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884966041] [2024-11-28 02:07:00,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:00,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:00,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:00,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:07:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:00,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:00,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:00,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:00,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884966041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:00,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:00,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 02:07:00,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657075461] [2024-11-28 02:07:00,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:00,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:00,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:00,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:00,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:00,515 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:00,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:00,574 INFO L93 Difference]: Finished difference Result 215 states and 314 transitions. [2024-11-28 02:07:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:00,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2024-11-28 02:07:00,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:00,578 INFO L225 Difference]: With dead ends: 215 [2024-11-28 02:07:00,580 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:07:00,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:00,581 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 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 [2024-11-28 02:07:00,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:00,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:07:00,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-28 02:07:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2024-11-28 02:07:00,602 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 129 [2024-11-28 02:07:00,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:00,603 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2024-11-28 02:07:00,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2024-11-28 02:07:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:07:00,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:00,608 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:00,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:00,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:00,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:00,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1991140457, now seen corresponding path program 1 times [2024-11-28 02:07:00,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:00,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266437372] [2024-11-28 02:07:00,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:00,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:03,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:03,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266437372] [2024-11-28 02:07:03,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266437372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:03,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:03,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:07:03,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797234219] [2024-11-28 02:07:03,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:03,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:07:03,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:03,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:07:03,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:07:03,875 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:04,704 INFO L93 Difference]: Finished difference Result 326 states and 474 transitions. [2024-11-28 02:07:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:04,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-11-28 02:07:04,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:04,710 INFO L225 Difference]: With dead ends: 326 [2024-11-28 02:07:04,711 INFO L226 Difference]: Without dead ends: 219 [2024-11-28 02:07:04,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:07:04,712 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 99 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:04,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 334 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:07:04,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-28 02:07:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2024-11-28 02:07:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 180 states have (on average 1.3888888888888888) internal successors, (250), 180 states have internal predecessors, (250), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:07:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 310 transitions. [2024-11-28 02:07:04,761 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 310 transitions. Word has length 131 [2024-11-28 02:07:04,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:04,764 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 310 transitions. [2024-11-28 02:07:04,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 310 transitions. [2024-11-28 02:07:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:07:04,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:04,768 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:04,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:07:04,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:04,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:04,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1568438631, now seen corresponding path program 1 times [2024-11-28 02:07:04,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:04,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322748707] [2024-11-28 02:07:04,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:04,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:06,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:06,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322748707] [2024-11-28 02:07:06,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322748707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:06,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:06,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:07:06,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843478789] [2024-11-28 02:07:06,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:06,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:07:06,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:06,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:07:06,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:07:06,535 INFO L87 Difference]: Start difference. First operand 213 states and 310 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:07,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:07,115 INFO L93 Difference]: Finished difference Result 476 states and 692 transitions. [2024-11-28 02:07:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:07,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-11-28 02:07:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:07,118 INFO L225 Difference]: With dead ends: 476 [2024-11-28 02:07:07,118 INFO L226 Difference]: Without dead ends: 266 [2024-11-28 02:07:07,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:07,119 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 112 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:07,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 368 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:07:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-28 02:07:07,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 228. [2024-11-28 02:07:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 195 states have (on average 1.4) internal successors, (273), 195 states have internal predecessors, (273), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:07:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 333 transitions. [2024-11-28 02:07:07,155 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 333 transitions. Word has length 131 [2024-11-28 02:07:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:07,155 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 333 transitions. [2024-11-28 02:07:07,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 333 transitions. [2024-11-28 02:07:07,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:07:07,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:07,161 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:07,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:07:07,161 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:07,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:07,163 INFO L85 PathProgramCache]: Analyzing trace with hash -557321381, now seen corresponding path program 1 times [2024-11-28 02:07:07,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:07,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087707784] [2024-11-28 02:07:07,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:07,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:09,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:09,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087707784] [2024-11-28 02:07:09,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087707784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:09,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:09,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:07:09,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444981426] [2024-11-28 02:07:09,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:09,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:07:09,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:09,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:07:09,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:09,303 INFO L87 Difference]: Start difference. First operand 228 states and 333 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:10,860 INFO L93 Difference]: Finished difference Result 516 states and 754 transitions. [2024-11-28 02:07:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:10,861 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-11-28 02:07:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:10,863 INFO L225 Difference]: With dead ends: 516 [2024-11-28 02:07:10,864 INFO L226 Difference]: Without dead ends: 291 [2024-11-28 02:07:10,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:10,865 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 223 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:10,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 499 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:07:10,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-28 02:07:10,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 226. [2024-11-28 02:07:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 193 states have (on average 1.3937823834196892) internal successors, (269), 193 states have internal predecessors, (269), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:07:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 329 transitions. [2024-11-28 02:07:10,886 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 329 transitions. Word has length 131 [2024-11-28 02:07:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:10,887 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 329 transitions. [2024-11-28 02:07:10,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 329 transitions. [2024-11-28 02:07:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:07:10,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:10,890 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:10,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:07:10,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:10,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1231119539, now seen corresponding path program 1 times [2024-11-28 02:07:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:10,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706613943] [2024-11-28 02:07:10,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:12,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:12,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706613943] [2024-11-28 02:07:12,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706613943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000760212] [2024-11-28 02:07:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:12,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:12,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:12,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:12,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:12,745 INFO L87 Difference]: Start difference. First operand 226 states and 329 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:13,551 INFO L93 Difference]: Finished difference Result 516 states and 750 transitions. [2024-11-28 02:07:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:07:13,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-11-28 02:07:13,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:13,554 INFO L225 Difference]: With dead ends: 516 [2024-11-28 02:07:13,555 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 02:07:13,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:13,556 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 189 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:13,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 389 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:07:13,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 02:07:13,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 226. [2024-11-28 02:07:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 193 states have (on average 1.38860103626943) internal successors, (268), 193 states have internal predecessors, (268), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:07:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 328 transitions. [2024-11-28 02:07:13,574 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 328 transitions. Word has length 132 [2024-11-28 02:07:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:13,575 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 328 transitions. [2024-11-28 02:07:13,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 328 transitions. [2024-11-28 02:07:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:07:13,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:13,577 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:13,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:07:13,577 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:13,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2042779403, now seen corresponding path program 1 times [2024-11-28 02:07:13,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:13,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834637449] [2024-11-28 02:07:13,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:13,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:13,675 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:07:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:07:13,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:07:13,780 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:07:13,782 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:07:13,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:07:13,788 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:13,871 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:07:13,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:07:13 BoogieIcfgContainer [2024-11-28 02:07:13,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:07:13,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:07:13,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:07:13,878 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:07:13,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:06:56" (3/4) ... [2024-11-28 02:07:13,885 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:07:13,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:07:13,887 INFO L158 Benchmark]: Toolchain (without parser) took 18537.84ms. Allocated memory was 117.4MB in the beginning and 461.4MB in the end (delta: 343.9MB). Free memory was 90.8MB in the beginning and 306.7MB in the end (delta: -215.9MB). Peak memory consumption was 132.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,888 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:13,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.63ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 74.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.12ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 70.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:07:13,889 INFO L158 Benchmark]: Boogie Preprocessor took 75.31ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 66.6MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,890 INFO L158 Benchmark]: RCFGBuilder took 1046.55ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 86.9MB in the end (delta: -20.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,890 INFO L158 Benchmark]: TraceAbstraction took 16916.71ms. Allocated memory was 117.4MB in the beginning and 461.4MB in the end (delta: 343.9MB). Free memory was 86.3MB in the beginning and 306.8MB in the end (delta: -220.5MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,890 INFO L158 Benchmark]: Witness Printer took 8.95ms. Allocated memory is still 461.4MB. Free memory was 306.8MB in the beginning and 306.7MB in the end (delta: 41.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:07:13,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.63ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 74.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.12ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 70.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.31ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 66.6MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1046.55ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 86.9MB in the end (delta: -20.3MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 16916.71ms. Allocated memory was 117.4MB in the beginning and 461.4MB in the end (delta: 343.9MB). Free memory was 86.3MB in the beginning and 306.8MB in the end (delta: -220.5MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. * Witness Printer took 8.95ms. Allocated memory is still 461.4MB. Free memory was 306.8MB in the beginning and 306.7MB in the end (delta: 41.8kB). 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 103, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 5.5, 1, -0.41, 25, 100, 1, 15.75, 1.6, 0, 0, 16.5, 10, -10, -16 }; [L55] float last_1_WrapperStruct00_var_1_12 = 15.75; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_12=63/4] [L124] isInitial = 1 [L125] FCALL initially() [L127] CALL updateLastVariables() [L117] EXPR WrapperStruct00.var_1_12 [L117] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12 [L127] RET updateLastVariables() [L128] CALL updateVariables() [L91] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L93] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_7 [L95] EXPR WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_7 [L95] EXPR WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L95] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L96] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L98] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L101] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L102] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_13 [L103] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_13 [L103] EXPR WrapperStruct00.var_1_13 >= 0.0F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L103] EXPR (WrapperStruct00.var_1_13 >= 0.0F && 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && 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}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= 0.0F && 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L104] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L106] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L107] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L108] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L109] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L110] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_16 [L111] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_16 [L111] EXPR WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L111] EXPR (WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L111] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= 0.0F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L112] WrapperStruct00.var_1_18 = __VERIFIER_nondet_char() [L113] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L114] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L128] RET updateVariables() [L129] CALL step() [L59] WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L59] COND FALSE !(WrapperStruct00.var_1_6) [L62] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L62] COND FALSE !(last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) [L66] EXPR WrapperStruct00.var_1_8 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_8 [L67] EXPR WrapperStruct00.var_1_19 [L67] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L67] COND FALSE !(WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) [L78] EXPR WrapperStruct00.var_1_13 [L78] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_13 [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L80] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L80] EXPR WrapperStruct00.var_1_8 [L80] EXPR WrapperStruct00.var_1_19 [L80] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L80] signed long int stepLocal_0 = (((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))); [L81] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4, stepLocal_0=50] [L81] COND TRUE WrapperStruct00.var_1_8 <= stepLocal_0 [L82] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L82] COND TRUE ! WrapperStruct00.var_1_6 [L83] EXPR WrapperStruct00.var_1_7 [L83] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L88] EXPR WrapperStruct00.var_1_18 [L88] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_18 [L129] RET step() [L130] CALL, EXPR property() [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) [L120] EXPR WrapperStruct00.var_1_8 [L120] EXPR WrapperStruct00.var_1_19 [L120] EXPR ((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR (WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1 [L120] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR (! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) [L120] EXPR WrapperStruct00.var_1_1 [L120] EXPR WrapperStruct00.var_1_7 [L120] EXPR (! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR (WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR ((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR (((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR ((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120] EXPR (((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed long int) WrapperStruct00.var_1_8)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L120-L121] return (((((WrapperStruct00.var_1_8 <= ((((WrapperStruct00.var_1_8) > ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_8) : ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_19))))) ? ((! WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_7))) : 1) && (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : ((last_1_WrapperStruct00_var_1_12 < (last_1_WrapperStruct00_var_1_12 + WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_8 == ((unsigned char) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1))) && ((WrapperStruct00.var_1_19 > WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((WrapperStruct00.var_1_14 && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((float) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_16))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_16)))) : (WrapperStruct00.var_1_12 == ((float) WrapperStruct00.var_1_13)))) && (WrapperStruct00.var_1_17 == ((signed char) WrapperStruct00.var_1_18))) && (WrapperStruct00.var_1_19 == ((signed long int) WrapperStruct00.var_1_8)) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=63/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 8, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 625 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 624 mSDsluCounter, 2641 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1727 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1821 IncrementalHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 914 mSDtfsCounter, 1821 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 177 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1431 NumberOfCodeBlocks, 1431 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1289 ConstructedInterpolants, 0 QuantifiedInterpolants, 2783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1414 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 4088/4200 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 [2024-11-28 02:07:13,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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_9923fe47-9e02-4329-beb5-d25780351e6f/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 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:07:17,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:07:17,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:07:17,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:07:17,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:07:17,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:07:17,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:07:17,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:07:17,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:07:17,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:07:17,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:07:17,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:07:17,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:07:17,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:07:17,245 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:07:17,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:07:17,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:07:17,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:07:17,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:07:17,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:07:17,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:07:17,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:07:17,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:17,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:07:17,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:17,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:07:17,249 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:07:17,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:07:17,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:07:17,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:07:17,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:07:17,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:07:17,251 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_9923fe47-9e02-4329-beb5-d25780351e6f/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 -> 9f2b0f6d9423f5a6deebebe280416f53043b6503d16a3708a82805a986909614 [2024-11-28 02:07:17,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:07:17,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:07:17,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:07:17,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:07:17,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:07:17,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:07:21,106 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/a81848f9b/eb03f51bddf14c6f8204a767bb6026da/FLAG1fd041e59 [2024-11-28 02:07:21,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:07:21,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:07:21,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/a81848f9b/eb03f51bddf14c6f8204a767bb6026da/FLAG1fd041e59 [2024-11-28 02:07:21,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/data/a81848f9b/eb03f51bddf14c6f8204a767bb6026da [2024-11-28 02:07:21,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:07:21,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:07:21,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:21,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:07:21,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:07:21,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:21,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c35a040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21, skipping insertion in model container [2024-11-28 02:07:21,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:21,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:07:21,723 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_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2024-11-28 02:07:21,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:21,854 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:07:21,870 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_9923fe47-9e02-4329-beb5-d25780351e6f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-73.i[916,929] [2024-11-28 02:07:21,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:07:21,958 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:07:21,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21 WrapperNode [2024-11-28 02:07:21,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:07:21,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:21,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:07:21,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:07:21,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:21,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,031 INFO L138 Inliner]: procedures = 37, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 489 [2024-11-28 02:07:22,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:07:22,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:07:22,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:07:22,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:07:22,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,050 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,080 INFO L175 MemorySlicer]: Split 135 memory accesses to 2 slices as follows [2, 133]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 34 writes are split as follows [0, 34]. [2024-11-28 02:07:22,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:22,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:22,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:22,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:22,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (1/1) ... [2024-11-28 02:07:22,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:22,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:07:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:07:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-28 02:07:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:07:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:07:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:07:22,374 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:22,377 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:28,023 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:28,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:28,038 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:28,038 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:07:28,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:28 BoogieIcfgContainer [2024-11-28 02:07:28,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:28,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:28,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:28,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:28,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:07:21" (1/3) ... [2024-11-28 02:07:28,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9245fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:28, skipping insertion in model container [2024-11-28 02:07:28,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:07:21" (2/3) ... [2024-11-28 02:07:28,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9245fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:28, skipping insertion in model container [2024-11-28 02:07:28,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:28" (3/3) ... [2024-11-28 02:07:28,052 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-73.i [2024-11-28 02:07:28,070 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:28,072 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-73.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:07:28,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:28,165 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;@7207aef6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:28,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:07:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:07:28,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,183 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:28,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:28,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2041388229, now seen corresponding path program 1 times [2024-11-28 02:07:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:28,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663779235] [2024-11-28 02:07:28,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:28,206 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 [2024-11-28 02:07:28,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:28,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:28,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:28,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:07:28,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 02:07:28,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:28,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:28,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663779235] [2024-11-28 02:07:28,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663779235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:28,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:28,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:07:28,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557025118] [2024-11-28 02:07:28,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:28,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:07:28,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:28,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:07:28,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:28,831 INFO L87 Difference]: Start difference. First operand has 110 states, 92 states have (on average 1.434782608695652) internal successors, (132), 93 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:28,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:28,868 INFO L93 Difference]: Finished difference Result 213 states and 333 transitions. [2024-11-28 02:07:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:07:28,870 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-28 02:07:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:28,878 INFO L225 Difference]: With dead ends: 213 [2024-11-28 02:07:28,878 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 02:07:28,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:07:28,886 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:28,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:28,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 02:07:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-28 02:07:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-11-28 02:07:28,961 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 129 [2024-11-28 02:07:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:28,962 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-11-28 02:07:28,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-11-28 02:07:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:07:28,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:28,967 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:28,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:29,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:29,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:29,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:29,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1160715527, now seen corresponding path program 1 times [2024-11-28 02:07:29,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:29,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798495820] [2024-11-28 02:07:29,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,170 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 [2024-11-28 02:07:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:29,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:29,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:29,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-28 02:07:29,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:29,833 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798495820] [2024-11-28 02:07:29,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798495820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:29,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:29,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390941717] [2024-11-28 02:07:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:29,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:29,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:29,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:29,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,840 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:29,985 INFO L93 Difference]: Finished difference Result 211 states and 310 transitions. [2024-11-28 02:07:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:29,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-28 02:07:29,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:29,988 INFO L225 Difference]: With dead ends: 211 [2024-11-28 02:07:29,989 INFO L226 Difference]: Without dead ends: 108 [2024-11-28 02:07:29,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,991 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 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 [2024-11-28 02:07:29,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:29,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-28 02:07:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-28 02:07:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2024-11-28 02:07:30,018 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 129 [2024-11-28 02:07:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:30,020 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2024-11-28 02:07:30,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-28 02:07:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 02:07:30,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:30,026 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:30,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:30,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:30,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:30,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash 689359177, now seen corresponding path program 1 times [2024-11-28 02:07:30,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:30,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515592685] [2024-11-28 02:07:30,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:30,229 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 [2024-11-28 02:07:30,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:30,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:30,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:30,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:07:30,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:30,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:30,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:30,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515592685] [2024-11-28 02:07:30,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515592685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:30,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:30,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:30,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267452640] [2024-11-28 02:07:30,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:30,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:30,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:30,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:30,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:30,885 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:30,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:30,982 INFO L93 Difference]: Finished difference Result 215 states and 314 transitions. [2024-11-28 02:07:30,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:30,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2024-11-28 02:07:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:30,985 INFO L225 Difference]: With dead ends: 215 [2024-11-28 02:07:30,985 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:07:30,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:30,991 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 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 [2024-11-28 02:07:30,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:30,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:07:31,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-28 02:07:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2024-11-28 02:07:31,010 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 129 [2024-11-28 02:07:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:31,011 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2024-11-28 02:07:31,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2024-11-28 02:07:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:07:31,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:31,014 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:31,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:31,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:31,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:31,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1547220764, now seen corresponding path program 1 times [2024-11-28 02:07:31,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:31,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054767143] [2024-11-28 02:07:31,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:31,220 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 [2024-11-28 02:07:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:31,225 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:31,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:31,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:07:31,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:31,807 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:31,807 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:31,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054767143] [2024-11-28 02:07:31,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054767143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:31,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:31,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:31,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352111492] [2024-11-28 02:07:31,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:31,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:31,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:31,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:31,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:31,813 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:31,924 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2024-11-28 02:07:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-11-28 02:07:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:31,927 INFO L225 Difference]: With dead ends: 222 [2024-11-28 02:07:31,927 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 02:07:31,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:31,929 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:31,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 584 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:31,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 02:07:31,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-28 02:07:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2024-11-28 02:07:31,941 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 131 [2024-11-28 02:07:31,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:31,942 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2024-11-28 02:07:31,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2024-11-28 02:07:31,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:07:31,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:31,945 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:31,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:32,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:32,146 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:32,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash 227786598, now seen corresponding path program 1 times [2024-11-28 02:07:32,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:32,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017852566] [2024-11-28 02:07:32,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,148 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 [2024-11-28 02:07:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:32,152 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:32,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:32,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:07:32,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:33,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-28 02:07:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-28 02:07:33,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:33,088 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017852566] [2024-11-28 02:07:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017852566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:33,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:33,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:33,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167328766] [2024-11-28 02:07:33,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:33,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:07:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:33,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:07:33,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:07:33,091 INFO L87 Difference]: Start difference. First operand 114 states and 163 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:37,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:37,091 INFO L93 Difference]: Finished difference Result 226 states and 324 transitions. [2024-11-28 02:07:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:37,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-11-28 02:07:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:37,093 INFO L225 Difference]: With dead ends: 226 [2024-11-28 02:07:37,093 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 02:07:37,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:37,095 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 123 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:37,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 438 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 02:07:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 02:07:37,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-28 02:07:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-11-28 02:07:37,118 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 131 [2024-11-28 02:07:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:37,118 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-11-28 02:07:37,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-28 02:07:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:07:37,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:37,123 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:37,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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)] Ended with exit code 0 [2024-11-28 02:07:37,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:37,324 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:37,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1395501140, now seen corresponding path program 1 times [2024-11-28 02:07:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:37,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [966155119] [2024-11-28 02:07:37,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,325 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 [2024-11-28 02:07:37,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:37,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:37,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:37,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:07:37,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:38,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-28 02:07:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-28 02:07:38,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:38,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [966155119] [2024-11-28 02:07:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [966155119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:38,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:38,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:38,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169289346] [2024-11-28 02:07:38,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:38,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:07:38,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:38,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:07:38,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:07:38,480 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:39,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:07:43,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:07:45,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 02:07:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:45,820 INFO L93 Difference]: Finished difference Result 226 states and 322 transitions. [2024-11-28 02:07:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:07:45,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2024-11-28 02:07:45,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:45,825 INFO L225 Difference]: With dead ends: 226 [2024-11-28 02:07:45,825 INFO L226 Difference]: Without dead ends: 115 [2024-11-28 02:07:45,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:07:45,827 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 102 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:45,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 434 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-28 02:07:45,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-28 02:07:45,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-28 02:07:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 97 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 161 transitions. [2024-11-28 02:07:45,844 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 161 transitions. Word has length 133 [2024-11-28 02:07:45,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:45,845 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 161 transitions. [2024-11-28 02:07:45,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2024-11-28 02:07:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:07:45,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:45,851 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:45,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:46,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:46,052 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:46,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:46,053 INFO L85 PathProgramCache]: Analyzing trace with hash 752811686, now seen corresponding path program 1 times [2024-11-28 02:07:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:46,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649167753] [2024-11-28 02:07:46,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:46,053 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 [2024-11-28 02:07:46,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:46,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:46,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:46,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:07:46,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:46,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-28 02:07:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:46,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:46,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:46,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649167753] [2024-11-28 02:07:46,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649167753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:46,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:46,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544051275] [2024-11-28 02:07:46,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:46,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:46,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:46,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:46,688 INFO L87 Difference]: Start difference. First operand 114 states and 161 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:48,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:07:49,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:07:51,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:51,156 INFO L93 Difference]: Finished difference Result 227 states and 322 transitions. [2024-11-28 02:07:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:51,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2024-11-28 02:07:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:51,158 INFO L225 Difference]: With dead ends: 227 [2024-11-28 02:07:51,159 INFO L226 Difference]: Without dead ends: 116 [2024-11-28 02:07:51,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:51,160 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:51,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 376 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 02:07:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-28 02:07:51,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-28 02:07:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 99 states have (on average 1.3434343434343434) internal successors, (133), 99 states have internal predecessors, (133), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 163 transitions. [2024-11-28 02:07:51,168 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 163 transitions. Word has length 135 [2024-11-28 02:07:51,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:51,169 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 163 transitions. [2024-11-28 02:07:51,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2024-11-28 02:07:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:07:51,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:51,171 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:51,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:51,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:51,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:51,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1175513512, now seen corresponding path program 1 times [2024-11-28 02:07:51,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:51,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399116554] [2024-11-28 02:07:51,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:51,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:07:51,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:51,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 (9)] Waiting until timeout for monitored process [2024-11-28 02:07:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:51,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:07:51,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:51,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:51,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 22 [2024-11-28 02:07:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:07:52,053 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:52,053 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:07:52,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399116554] [2024-11-28 02:07:52,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399116554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:52,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:52,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:52,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569746289] [2024-11-28 02:07:52,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:52,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:52,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:07:52,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:52,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:52,056 INFO L87 Difference]: Start difference. First operand 116 states and 163 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:55,394 INFO L93 Difference]: Finished difference Result 229 states and 323 transitions. [2024-11-28 02:07:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:55,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 135 [2024-11-28 02:07:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:55,396 INFO L225 Difference]: With dead ends: 229 [2024-11-28 02:07:55,397 INFO L226 Difference]: Without dead ends: 116 [2024-11-28 02:07:55,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:55,398 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:55,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 02:07:55,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-28 02:07:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2024-11-28 02:07:55,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3402061855670102) internal successors, (130), 97 states have internal predecessors, (130), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:07:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-28 02:07:55,408 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 135 [2024-11-28 02:07:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:55,408 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-28 02:07:55,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:07:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-28 02:07:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:07:55,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:55,415 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:55,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:07:55,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:55,615 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:07:55,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:55,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1295579430, now seen corresponding path program 1 times [2024-11-28 02:07:55,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:07:55,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488962462] [2024-11-28 02:07:55,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:55,616 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 [2024-11-28 02:07:55,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:07:55,618 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:07:55,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:07:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:56,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-28 02:07:56,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:56,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:07:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:07:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:07:56,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 31 [2024-11-28 02:07:56,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:56,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-28 02:07:57,011 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:57,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 53 [2024-11-28 02:07:57,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:57,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 54 [2024-11-28 02:07:57,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:57,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 44 [2024-11-28 02:07:58,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:58,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-28 02:07:58,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:58,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-11-28 02:07:58,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:58,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-28 02:07:59,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:59,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-11-28 02:07:59,735 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:07:59,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-11-28 02:08:00,248 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:00,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 64 [2024-11-28 02:08:00,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:00,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 77 treesize of output 67 [2024-11-28 02:08:00,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:00,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 33 [2024-11-28 02:08:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 100 proven. 224 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:08:00,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:08:00,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:00,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488962462] [2024-11-28 02:08:00,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488962462] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:00,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:08:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 02:08:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368943675] [2024-11-28 02:08:00,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:00,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:00,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:00,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:00,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:08:00,915 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:02,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:05,955 INFO L93 Difference]: Finished difference Result 286 states and 403 transitions. [2024-11-28 02:08:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:05,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 136 [2024-11-28 02:08:05,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:05,958 INFO L225 Difference]: With dead ends: 286 [2024-11-28 02:08:05,958 INFO L226 Difference]: Without dead ends: 175 [2024-11-28 02:08:05,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:08:05,960 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 129 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:05,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 371 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 02:08:05,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-28 02:08:05,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 114. [2024-11-28 02:08:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 97 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:08:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2024-11-28 02:08:05,973 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 136 [2024-11-28 02:08:05,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:05,974 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2024-11-28 02:08:05,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2024-11-28 02:08:05,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:08:05,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:05,977 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:05,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:08:06,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:08:06,177 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:06,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:06,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1514434148, now seen corresponding path program 1 times [2024-11-28 02:08:06,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:06,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048543264] [2024-11-28 02:08:06,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:06,179 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 [2024-11-28 02:08:06,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:06,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:08:06,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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)] Waiting until timeout for monitored process [2024-11-28 02:08:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:07,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 02:08:07,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:07,322 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 [2024-11-28 02:08:07,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:07,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59 [2024-11-28 02:08:08,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:08,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59 [2024-11-28 02:08:08,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:08,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 59 [2024-11-28 02:08:08,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:08,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 69 [2024-11-28 02:08:08,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:08,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 72 [2024-11-28 02:08:09,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:09,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 72 [2024-11-28 02:08:09,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:09,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 72 [2024-11-28 02:08:10,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:10,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 92 [2024-11-28 02:08:10,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:10,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 159 treesize of output 95 [2024-11-28 02:08:10,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:10,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 215 treesize of output 134 [2024-11-28 02:08:10,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:10,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 236 treesize of output 160 [2024-11-28 02:08:11,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:11,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 428 treesize of output 148 [2024-11-28 02:08:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 168 proven. 104 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-28 02:08:11,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:12,201 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:12,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048543264] [2024-11-28 02:08:12,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048543264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:12,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [687017003] [2024-11-28 02:08:12,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:08:12,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:08:12,210 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:08:12,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-28 02:08:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:15,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-28 02:08:15,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:15,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:08:16,468 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:16,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 71 [2024-11-28 02:08:17,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:17,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 110 treesize of output 80 [2024-11-28 02:08:17,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:17,584 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 3 case distinctions, treesize of input 110 treesize of output 80 [2024-11-28 02:08:18,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:18,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 88 [2024-11-28 02:08:18,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:18,929 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 6 case distinctions, treesize of input 48 treesize of output 45 [2024-11-28 02:08:19,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:19,593 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 6 case distinctions, treesize of input 48 treesize of output 45 [2024-11-28 02:08:20,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:20,104 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 6 case distinctions, treesize of input 48 treesize of output 45 [2024-11-28 02:08:20,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:20,767 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 10 case distinctions, treesize of input 50 treesize of output 61 [2024-11-28 02:08:21,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:21,025 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 15 case distinctions, treesize of input 61 treesize of output 64 [2024-11-28 02:08:21,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:21,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 107 treesize of output 101 [2024-11-28 02:08:21,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:21,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 115 treesize of output 126 [2024-11-28 02:08:22,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:22,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 235 treesize of output 99 [2024-11-28 02:08:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 104 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-28 02:08:22,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:22,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [687017003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:08:22,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:08:22,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2024-11-28 02:08:22,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734755405] [2024-11-28 02:08:22,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:08:22,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 02:08:22,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:22,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 02:08:22,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:08:22,893 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 23 states have internal predecessors, (130), 7 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2024-11-28 02:08:24,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:08:38,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:08:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:46,747 INFO L93 Difference]: Finished difference Result 345 states and 476 transitions. [2024-11-28 02:08:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:08:46,748 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 23 states have internal predecessors, (130), 7 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 136 [2024-11-28 02:08:46,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:46,750 INFO L225 Difference]: With dead ends: 345 [2024-11-28 02:08:46,750 INFO L226 Difference]: Without dead ends: 234 [2024-11-28 02:08:46,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 02:08:46,752 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 893 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:46,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 601 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2024-11-28 02:08:46,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-28 02:08:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 228. [2024-11-28 02:08:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 190 states have (on average 1.3157894736842106) internal successors, (250), 192 states have internal predecessors, (250), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-28 02:08:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2024-11-28 02:08:46,789 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 136 [2024-11-28 02:08:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:46,790 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2024-11-28 02:08:46,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 23 states have internal predecessors, (130), 7 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2024-11-28 02:08:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2024-11-28 02:08:46,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:08:46,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:46,793 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:46,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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)] Ended with exit code 0 [2024-11-28 02:08:47,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-28 02:08:47,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:08:47,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:47,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1081826860, now seen corresponding path program 1 times [2024-11-28 02:08:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:47,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884822109] [2024-11-28 02:08:47,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:47,195 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 [2024-11-28 02:08:47,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:47,198 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:08:47,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 (13)] Waiting until timeout for monitored process [2024-11-28 02:08:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:47,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:08:47,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:48,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:48,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-28 02:08:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 144 proven. 8 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 02:08:48,255 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:08:48,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:48,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 1 [2024-11-28 02:08:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 02:08:48,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:48,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884822109] [2024-11-28 02:08:48,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884822109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:08:48,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:08:48,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-28 02:08:48,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294243412] [2024-11-28 02:08:48,703 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:08:48,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:08:48,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:48,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:08:48,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:08:48,705 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:08:50,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:56,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:56,907 INFO L93 Difference]: Finished difference Result 472 states and 643 transitions. [2024-11-28 02:08:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:08:56,910 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 138 [2024-11-28 02:08:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:56,915 INFO L225 Difference]: With dead ends: 472 [2024-11-28 02:08:56,915 INFO L226 Difference]: Without dead ends: 241 [2024-11-28 02:08:56,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:08:56,917 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 141 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:56,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 590 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-28 02:08:56,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-28 02:08:56,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 221. [2024-11-28 02:08:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 185 states have (on average 1.3135135135135134) internal successors, (243), 186 states have internal predecessors, (243), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:08:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 303 transitions. [2024-11-28 02:08:56,956 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 303 transitions. Word has length 138 [2024-11-28 02:08:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:56,956 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 303 transitions. [2024-11-28 02:08:56,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:08:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2024-11-28 02:08:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:08:56,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:56,959 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:56,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 (13)] Ended with exit code 0 [2024-11-28 02:08:57,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:08:57,163 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:57,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1297717152, now seen corresponding path program 1 times [2024-11-28 02:08:57,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709662981] [2024-11-28 02:08:57,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:57,164 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 [2024-11-28 02:08:57,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:57,165 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:08:57,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:08:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:57,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:08:57,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:08:57,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:08:57,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 22 [2024-11-28 02:08:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 02:08:57,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:08:57,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:08:57,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709662981] [2024-11-28 02:08:57,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709662981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:57,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:57,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:57,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421804312] [2024-11-28 02:08:57,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:57,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:57,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:08:57,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:57,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:57,766 INFO L87 Difference]: Start difference. First operand 221 states and 303 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:59,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:59,442 INFO L93 Difference]: Finished difference Result 437 states and 601 transitions. [2024-11-28 02:08:59,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:59,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 138 [2024-11-28 02:08:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:59,444 INFO L225 Difference]: With dead ends: 437 [2024-11-28 02:08:59,444 INFO L226 Difference]: Without dead ends: 219 [2024-11-28 02:08:59,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:59,446 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:59,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:08:59,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-28 02:08:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-28 02:08:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 183 states have (on average 1.3060109289617485) internal successors, (239), 184 states have internal predecessors, (239), 30 states have call successors, (30), 5 states have call predecessors, (30), 5 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 02:08:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 299 transitions. [2024-11-28 02:08:59,478 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 299 transitions. Word has length 138 [2024-11-28 02:08:59,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:59,479 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 299 transitions. [2024-11-28 02:08:59,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 299 transitions. [2024-11-28 02:08:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:08:59,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:59,481 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:59,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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)] Ended with exit code 0 [2024-11-28 02:08:59,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:08:59,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:08:59,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:59,682 INFO L85 PathProgramCache]: Analyzing trace with hash 593779754, now seen corresponding path program 1 times [2024-11-28 02:08:59,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:08:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597385393] [2024-11-28 02:08:59,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:59,683 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 [2024-11-28 02:08:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:08:59,686 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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) [2024-11-28 02:08:59,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/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 [2024-11-28 02:09:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:00,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-28 02:09:00,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:00,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 02:09:01,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:01,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 57 [2024-11-28 02:09:01,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:01,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 57 [2024-11-28 02:09:01,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:01,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 57 [2024-11-28 02:09:01,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:01,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 67 [2024-11-28 02:09:02,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:02,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 80 [2024-11-28 02:09:02,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:02,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 150 treesize of output 83 [2024-11-28 02:09:03,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:03,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 150 treesize of output 83 [2024-11-28 02:09:03,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:03,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 152 treesize of output 103 [2024-11-28 02:09:04,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:04,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 106 [2024-11-28 02:09:04,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:04,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 223 treesize of output 145 [2024-11-28 02:09:04,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:04,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 244 treesize of output 171 [2024-11-28 02:09:05,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:05,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 436 treesize of output 150 [2024-11-28 02:09:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 192 proven. 140 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-28 02:09:05,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:09:06,110 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:09:06,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597385393] [2024-11-28 02:09:06,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597385393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:09:06,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1117966026] [2024-11-28 02:09:06,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:06,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:09:06,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:09:06,112 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:09:06,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923fe47-9e02-4329-beb5-d25780351e6f/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-28 02:09:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:09,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-28 02:09:09,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:09:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:09:09,475 INFO L224 Elim1Store]: Index analysis took 169 ms [2024-11-28 02:09:09,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 61 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 33 [2024-11-28 02:09:09,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:09,840 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 79 treesize of output 39 [2024-11-28 02:09:10,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-28 02:09:22,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:22,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 69 [2024-11-28 02:09:23,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:23,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 42 [2024-11-28 02:09:25,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:25,142 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 6 case distinctions, treesize of input 48 treesize of output 45 [2024-11-28 02:09:25,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:25,902 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 6 case distinctions, treesize of input 45 treesize of output 53 [2024-11-28 02:09:27,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:27,167 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 10 case distinctions, treesize of input 56 treesize of output 56 [2024-11-28 02:09:28,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:28,020 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 10 case distinctions, treesize of input 56 treesize of output 56 [2024-11-28 02:09:28,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:28,966 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 10 case distinctions, treesize of input 53 treesize of output 64 [2024-11-28 02:09:59,543 WARN L286 SmtUtils]: Spent 9.36s on a formula simplification. DAG size of input: 76 DAG size of output: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:09:59,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:09:59,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 125 treesize of output 118 [2024-11-28 02:10:20,279 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:10:20,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:10:20,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 77 treesize of output 86 [2024-11-28 02:10:32,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:10:32,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 45 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 123 treesize of output 123 [2024-11-28 02:10:53,985 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:10:54,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:10:54,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 131 treesize of output 141 [2024-11-28 02:11:17,192 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:11:26,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:11:26,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 248 treesize of output 108 [2024-11-28 02:11:27,256 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 320 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:11:27,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:12:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1117966026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:12:03,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:12:03,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23] total 36 [2024-11-28 02:12:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338197744] [2024-11-28 02:12:03,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:12:03,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-28 02:12:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:12:03,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-28 02:12:03,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1445, Unknown=4, NotChecked=0, Total=1722 [2024-11-28 02:12:03,415 INFO L87 Difference]: Start difference. First operand 219 states and 299 transitions. Second operand has 37 states, 35 states have (on average 4.171428571428572) internal successors, (146), 33 states have internal predecessors, (146), 11 states have call successors, (30), 11 states have call predecessors, (30), 11 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-28 02:12:06,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:07,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:13,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:12:19,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:22,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:28,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:33,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:37,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:39,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:42,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:44,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:48,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:50,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:12:55,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:03,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:06,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:09,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:14,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:18,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:22,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:26,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:31,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:34,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:37,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:40,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:42,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:45,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:49,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:52,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:13:56,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:00,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:03,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:06,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:09,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:12,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:15,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:20,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:24,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:28,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:32,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:35,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:38,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:42,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:45,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:48,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:51,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:14:53,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:08,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:11,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:14,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:17,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:23,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:26,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:30,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:52,918 WARN L286 SmtUtils]: Spent 12.83s on a formula simplification. DAG size of input: 116 DAG size of output: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:15:56,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:15:59,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:01,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:08,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:11,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:13,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:45,654 WARN L286 SmtUtils]: Spent 13.38s on a formula simplification. DAG size of input: 123 DAG size of output: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:16:49,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:56,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:16:59,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:06,826 WARN L286 SmtUtils]: Spent 28.71s on a formula simplification. DAG size of input: 135 DAG size of output: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:18:13,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:21,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:25,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:26,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:35,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:37,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:42,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:49,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:54,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:18:58,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:01,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:04,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:08,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:10,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:19,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:21,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:25,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:29,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:32,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:39,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:40,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:42,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:44,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:47,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:48,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:52,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:19:56,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:02,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:07,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:10,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:13,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:20:22,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:04,670 WARN L286 SmtUtils]: Spent 19.39s on a formula simplification. DAG size of input: 156 DAG size of output: 118 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 02:21:05,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:07,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:13,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:15,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:17,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:22,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:21:26,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]