./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.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_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d976df0441559782faf2252bd19993d5a8987fee3e7cd12d006e6d9859f8f01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:31:45,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:31:45,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:31:45,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:31:45,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:31:45,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:31:45,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:31:45,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:31:45,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:31:45,458 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:31:45,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:31:45,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:31:45,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:31:45,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:31:45,459 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:31:45,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:31:45,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:31:45,461 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:31:45,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:31:45,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:31:45,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:31:45,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:31:45,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:31:45,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:31:45,463 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_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d976df0441559782faf2252bd19993d5a8987fee3e7cd12d006e6d9859f8f01 [2024-12-02 07:31:45,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:31:45,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:31:45,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:31:45,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:31:45,733 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:31:45,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:31:48,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/1a8cf0a09/6166cb2919304287838f566e10092ec9/FLAG404949e32 [2024-12-02 07:31:48,695 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:31:48,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:31:48,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/1a8cf0a09/6166cb2919304287838f566e10092ec9/FLAG404949e32 [2024-12-02 07:31:48,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/1a8cf0a09/6166cb2919304287838f566e10092ec9 [2024-12-02 07:31:48,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:31:48,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:31:48,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:31:48,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:31:48,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:31:48,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:31:48" (1/1) ... [2024-12-02 07:31:48,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb91b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:48, skipping insertion in model container [2024-12-02 07:31:48,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:31:48" (1/1) ... [2024-12-02 07:31:48,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:31:48,898 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_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i[917,930] [2024-12-02 07:31:48,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:31:48,970 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:31:48,982 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_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i[917,930] [2024-12-02 07:31:49,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:31:49,039 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:31:49,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49 WrapperNode [2024-12-02 07:31:49,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:31:49,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:31:49,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:31:49,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:31:49,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,098 INFO L138 Inliner]: procedures = 30, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 446 [2024-12-02 07:31:49,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:31:49,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:31:49,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:31:49,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:31:49,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,122 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-12-02 07:31:49,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:31:49,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:31:49,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:31:49,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:31:49,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (1/1) ... [2024-12-02 07:31:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:31:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:31:49,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:31:49,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-02 07:31:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-02 07:31:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-02 07:31:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:31:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:31:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 07:31:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:31:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:31:49,352 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:31:49,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:31:49,875 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-12-02 07:31:49,875 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:31:49,888 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:31:49,888 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:31:49,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:31:49 BoogieIcfgContainer [2024-12-02 07:31:49,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:31:49,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:31:49,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:31:49,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:31:49,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:31:48" (1/3) ... [2024-12-02 07:31:49,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f50c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:31:49, skipping insertion in model container [2024-12-02 07:31:49,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:31:49" (2/3) ... [2024-12-02 07:31:49,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f50c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:31:49, skipping insertion in model container [2024-12-02 07:31:49,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:31:49" (3/3) ... [2024-12-02 07:31:49,907 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:31:49,919 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:31:49,921 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:31:49,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:31:49,988 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;@199179b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:31:49,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:31:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:31:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:50,003 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:50,004 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:50,005 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:50,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:50,010 INFO L85 PathProgramCache]: Analyzing trace with hash -442351924, now seen corresponding path program 1 times [2024-12-02 07:31:50,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:50,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308922964] [2024-12-02 07:31:50,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 07:31:50,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:50,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308922964] [2024-12-02 07:31:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308922964] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:31:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434998584] [2024-12-02 07:31:50,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:50,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:31:50,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:31:50,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:31:50,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:31:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:50,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:31:50,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:31:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 07:31:50,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:31:50,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434998584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:50,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:31:50,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:31:50,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060977771] [2024-12-02 07:31:50,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:50,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:31:50,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:50,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:31:50,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:31:50,633 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 07:31:50,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:50,660 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-12-02 07:31:50,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:31:50,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-12-02 07:31:50,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:50,668 INFO L225 Difference]: With dead ends: 193 [2024-12-02 07:31:50,668 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 07:31:50,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:31:50,674 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:50,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:31:50,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 07:31:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 07:31:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:31:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-12-02 07:31:50,740 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-12-02 07:31:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:50,741 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-12-02 07:31:50,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 07:31:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-12-02 07:31:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:50,744 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:50,744 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:50,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:31:50,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:31:50,945 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:50,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1647712550, now seen corresponding path program 1 times [2024-12-02 07:31:50,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:50,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275803229] [2024-12-02 07:31:50,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:31:51,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:51,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275803229] [2024-12-02 07:31:51,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275803229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:51,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:31:51,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:31:51,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966491723] [2024-12-02 07:31:51,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:51,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:31:51,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:51,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:31:51,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:31:51,452 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:51,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:51,477 INFO L93 Difference]: Finished difference Result 187 states and 264 transitions. [2024-12-02 07:31:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:31:51,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:31:51,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:51,480 INFO L225 Difference]: With dead ends: 187 [2024-12-02 07:31:51,480 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 07:31:51,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:31:51,482 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:51,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 257 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:31:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 07:31:51,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 07:31:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:31:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2024-12-02 07:31:51,494 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 103 [2024-12-02 07:31:51,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:51,496 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2024-12-02 07:31:51,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2024-12-02 07:31:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:51,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:51,498 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:51,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:31:51,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 808357329, now seen corresponding path program 1 times [2024-12-02 07:31:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621569771] [2024-12-02 07:31:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:31:52,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:52,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621569771] [2024-12-02 07:31:52,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621569771] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:52,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:31:52,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:31:52,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733882459] [2024-12-02 07:31:52,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:52,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:31:52,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:52,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:31:52,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:31:52,050 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:52,239 INFO L93 Difference]: Finished difference Result 185 states and 259 transitions. [2024-12-02 07:31:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:31:52,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:31:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:52,241 INFO L225 Difference]: With dead ends: 185 [2024-12-02 07:31:52,241 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 07:31:52,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:31:52,243 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:52,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 336 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:31:52,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 07:31:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 07:31:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:31:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2024-12-02 07:31:52,252 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 103 [2024-12-02 07:31:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:52,253 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2024-12-02 07:31:52,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-12-02 07:31:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:52,255 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:52,256 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:52,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:31:52,256 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:52,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash 948905939, now seen corresponding path program 1 times [2024-12-02 07:31:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:52,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901696872] [2024-12-02 07:31:52,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:31:52,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901696872] [2024-12-02 07:31:52,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901696872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:52,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:31:52,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:31:52,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32355573] [2024-12-02 07:31:52,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:52,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:31:52,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:52,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:31:52,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:31:52,650 INFO L87 Difference]: Start difference. First operand 94 states and 130 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:52,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:52,777 INFO L93 Difference]: Finished difference Result 185 states and 257 transitions. [2024-12-02 07:31:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:31:52,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:31:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:52,779 INFO L225 Difference]: With dead ends: 185 [2024-12-02 07:31:52,779 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 07:31:52,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:31:52,781 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:52,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:31:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 07:31:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 07:31:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.3209876543209877) internal successors, (107), 81 states have internal predecessors, (107), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:31:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 129 transitions. [2024-12-02 07:31:52,789 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 129 transitions. Word has length 103 [2024-12-02 07:31:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:52,790 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 129 transitions. [2024-12-02 07:31:52,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:31:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2024-12-02 07:31:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:52,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:52,792 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:52,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:31:52,793 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:52,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:52,793 INFO L85 PathProgramCache]: Analyzing trace with hash -62211311, now seen corresponding path program 1 times [2024-12-02 07:31:52,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:52,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777019793] [2024-12-02 07:31:52,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:52,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:31:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:31:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:31:58,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777019793] [2024-12-02 07:31:58,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777019793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:31:58,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:31:58,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 07:31:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397215687] [2024-12-02 07:31:58,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:31:58,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 07:31:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:31:58,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 07:31:58,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:31:58,761 INFO L87 Difference]: Start difference. First operand 94 states and 129 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:31:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:31:59,701 INFO L93 Difference]: Finished difference Result 280 states and 386 transitions. [2024-12-02 07:31:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:31:59,702 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-12-02 07:31:59,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:31:59,704 INFO L225 Difference]: With dead ends: 280 [2024-12-02 07:31:59,704 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 07:31:59,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:31:59,706 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 239 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:31:59,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 440 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:31:59,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 07:31:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 157. [2024-12-02 07:31:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 132 states have (on average 1.303030303030303) internal successors, (172), 132 states have internal predecessors, (172), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 07:31:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 216 transitions. [2024-12-02 07:31:59,736 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 216 transitions. Word has length 103 [2024-12-02 07:31:59,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:31:59,737 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 216 transitions. [2024-12-02 07:31:59,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:31:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 216 transitions. [2024-12-02 07:31:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:31:59,739 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:31:59,739 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:31:59,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:31:59,740 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:31:59,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:31:59,740 INFO L85 PathProgramCache]: Analyzing trace with hash 638853267, now seen corresponding path program 1 times [2024-12-02 07:31:59,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:31:59,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136202880] [2024-12-02 07:31:59,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:31:59,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:31:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:32:03,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136202880] [2024-12-02 07:32:03,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136202880] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:03,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:03,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 07:32:03,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818276226] [2024-12-02 07:32:03,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:03,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 07:32:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:03,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 07:32:03,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-12-02 07:32:03,768 INFO L87 Difference]: Start difference. First operand 157 states and 216 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:32:04,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:04,591 INFO L93 Difference]: Finished difference Result 302 states and 417 transitions. [2024-12-02 07:32:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:32:04,592 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-12-02 07:32:04,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:04,593 INFO L225 Difference]: With dead ends: 302 [2024-12-02 07:32:04,593 INFO L226 Difference]: Without dead ends: 211 [2024-12-02 07:32:04,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:32:04,595 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 226 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:04,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 624 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:32:04,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-12-02 07:32:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 175. [2024-12-02 07:32:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 150 states have (on average 1.3066666666666666) internal successors, (196), 150 states have internal predecessors, (196), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 07:32:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 240 transitions. [2024-12-02 07:32:04,623 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 240 transitions. Word has length 103 [2024-12-02 07:32:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:04,624 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 240 transitions. [2024-12-02 07:32:04,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:32:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 240 transitions. [2024-12-02 07:32:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:04,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:04,626 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:04,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:32:04,626 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:04,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:04,627 INFO L85 PathProgramCache]: Analyzing trace with hash -432373780, now seen corresponding path program 1 times [2024-12-02 07:32:04,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:04,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382772278] [2024-12-02 07:32:04,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:04,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:32:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382772278] [2024-12-02 07:32:04,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382772278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:04,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:04,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:32:04,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527533723] [2024-12-02 07:32:04,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:04,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:04,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:04,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:04,811 INFO L87 Difference]: Start difference. First operand 175 states and 240 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:04,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:04,844 INFO L93 Difference]: Finished difference Result 266 states and 365 transitions. [2024-12-02 07:32:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:04,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:32:04,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:04,846 INFO L225 Difference]: With dead ends: 266 [2024-12-02 07:32:04,846 INFO L226 Difference]: Without dead ends: 169 [2024-12-02 07:32:04,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:04,848 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:04,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-12-02 07:32:04,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-12-02 07:32:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 144 states have (on average 1.2777777777777777) internal successors, (184), 144 states have internal predecessors, (184), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 07:32:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2024-12-02 07:32:04,876 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 103 [2024-12-02 07:32:04,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:04,877 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2024-12-02 07:32:04,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2024-12-02 07:32:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:04,879 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:04,879 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:04,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:32:04,879 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:04,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:04,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1666529809, now seen corresponding path program 1 times [2024-12-02 07:32:04,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:04,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055812616] [2024-12-02 07:32:04,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:32:07,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:32:07,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055812616] [2024-12-02 07:32:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055812616] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 07:32:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613550660] [2024-12-02 07:32:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:07,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 07:32:07,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:32:07,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 07:32:07,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:32:07,786 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:32:08,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:08,681 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2024-12-02 07:32:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:32:08,682 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2024-12-02 07:32:08,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:08,684 INFO L225 Difference]: With dead ends: 260 [2024-12-02 07:32:08,684 INFO L226 Difference]: Without dead ends: 171 [2024-12-02 07:32:08,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-12-02 07:32:08,686 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 239 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:08,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 400 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:32:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-12-02 07:32:08,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 153. [2024-12-02 07:32:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 128 states have (on average 1.2734375) internal successors, (163), 128 states have internal predecessors, (163), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 07:32:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 207 transitions. [2024-12-02 07:32:08,719 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 207 transitions. Word has length 103 [2024-12-02 07:32:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:08,719 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 207 transitions. [2024-12-02 07:32:08,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 07:32:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2024-12-02 07:32:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:32:08,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:08,721 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:08,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:32:08,722 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1629481078, now seen corresponding path program 1 times [2024-12-02 07:32:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:32:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394096332] [2024-12-02 07:32:08,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:32:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:32:08,858 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:32:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:32:09,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:32:09,054 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:32:09,055 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:32:09,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:32:09,060 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:09,154 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:32:09,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:32:09 BoogieIcfgContainer [2024-12-02 07:32:09,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:32:09,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:32:09,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:32:09,160 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:32:09,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:31:49" (3/4) ... [2024-12-02 07:32:09,163 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:32:09,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:32:09,165 INFO L158 Benchmark]: Toolchain (without parser) took 20437.69ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 92.0MB in the beginning and 236.2MB in the end (delta: -144.2MB). Peak memory consumption was 288.3MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,165 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:09,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.74ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:32:09,166 INFO L158 Benchmark]: Boogie Preprocessor took 54.73ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 70.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,166 INFO L158 Benchmark]: RCFGBuilder took 734.38ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 38.9MB in the end (delta: 31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,166 INFO L158 Benchmark]: TraceAbstraction took 19267.56ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 38.4MB in the beginning and 236.3MB in the end (delta: -197.9MB). Peak memory consumption was 229.5MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,167 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 545.3MB. Free memory was 236.3MB in the beginning and 236.2MB in the end (delta: 74.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:32:09,168 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.74ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.0MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.73ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 70.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 734.38ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 38.9MB in the end (delta: 31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19267.56ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 38.4MB in the beginning and 236.3MB in the end (delta: -197.9MB). Peak memory consumption was 229.5MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 545.3MB. Free memory was 236.3MB in the beginning and 236.2MB in the end (delta: 74.4kB). 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 92, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryFLOATComparisonOperation at line 109. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -1, 5, 4, 16.5, 127.25, 1, 0, 0, 0, 0, 0 }; [L49] signed long int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L50] unsigned char* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L51] unsigned char* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L52] float* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L53] float* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L54] unsigned char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L55] unsigned char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L56] unsigned char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L57] unsigned char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L58] unsigned char* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L59] unsigned char* WrapperStruct00_var_1_18_Pointer = &(WrapperStruct00.var_1_18); VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=0] [L113] isInitial = 1 [L114] FCALL initially() [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L88] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L90] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L91] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L92] EXPR WrapperStruct00.var_1_11 [L92] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L92] EXPR WrapperStruct00.var_1_11 [L92] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L92] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L92] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L93] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L95] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L96] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L98] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L99] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L101] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L102] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L117] RET updateVariables() [L118] CALL step() [L63] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L63] (*(WrapperStruct00_var_1_8_Pointer)) = ((*(WrapperStruct00_var_1_9_Pointer)) + 100) [L64] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L64] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L64] (*(WrapperStruct00_var_1_10_Pointer)) = (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f))) [L65] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L65] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L65] COND FALSE !((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L68] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L68] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L68] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L68] (*(WrapperStruct00_var_1_1_Pointer)) = ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))))) [L70] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L70] EXPR \read(*WrapperStruct00_var_1_10_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L70] COND FALSE !((*(WrapperStruct00_var_1_11_Pointer)) <= (*(WrapperStruct00_var_1_10_Pointer))) [L75] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L75] COND TRUE (*(WrapperStruct00_var_1_8_Pointer)) <= 1000000 [L76] (*(WrapperStruct00_var_1_17_Pointer)) = 0 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L81] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L81] COND FALSE !((- (*(WrapperStruct00_var_1_10_Pointer))) > (*(WrapperStruct00_var_1_11_Pointer))) [L84] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L84] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L84] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer)) [L84] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L84] EXPR ((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L84] (*(WrapperStruct00_var_1_12_Pointer)) = (((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer))) [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))))))) [L109] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR (((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100))) [L109] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L109] EXPR (((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100)))) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f))))) [L109] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L109] EXPR \read(*WrapperStruct00_var_1_11_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR (((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100)))) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR (((((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100)))) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f)))))) && (((- (*(WrapperStruct00_var_1_10_Pointer))) > (*(WrapperStruct00_var_1_11_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_13_Pointer)) || ((*(WrapperStruct00_var_1_17_Pointer)) && ((*(WrapperStruct00_var_1_15_Pointer)) || (*(WrapperStruct00_var_1_16_Pointer))))))) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109] EXPR ((((((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100)))) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f)))))) && (((- (*(WrapperStruct00_var_1_10_Pointer))) > (*(WrapperStruct00_var_1_11_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_13_Pointer)) || ((*(WrapperStruct00_var_1_17_Pointer)) && ((*(WrapperStruct00_var_1_15_Pointer)) || (*(WrapperStruct00_var_1_16_Pointer))))))) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer))))))) && (((*(WrapperStruct00_var_1_11_Pointer)) <= (*(WrapperStruct00_var_1_10_Pointer))) ? (((*(WrapperStruct00_var_1_1_Pointer)) != (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_18_Pointer)))) : 1) : (((*(WrapperStruct00_var_1_8_Pointer)) <= 1000000) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) 0)))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L109-L110] return ((((((*(WrapperStruct00_var_1_8_Pointer)) > (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer))) < ((*(WrapperStruct00_var_1_8_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer))) : ((*(WrapperStruct00_var_1_8_Pointer))))) - 10))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) > (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))) ? (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer)))) : (((*(WrapperStruct00_var_1_8_Pointer)) - (*(WrapperStruct00_var_1_8_Pointer))))))))) && ((*(WrapperStruct00_var_1_8_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_9_Pointer)) + 100)))) && ((*(WrapperStruct00_var_1_10_Pointer)) == ((float) (((((*(WrapperStruct00_var_1_11_Pointer))) < (64.15f)) ? ((*(WrapperStruct00_var_1_11_Pointer))) : (64.15f)))))) && (((- (*(WrapperStruct00_var_1_10_Pointer))) > (*(WrapperStruct00_var_1_11_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) ((*(WrapperStruct00_var_1_13_Pointer)) || ((*(WrapperStruct00_var_1_17_Pointer)) && ((*(WrapperStruct00_var_1_15_Pointer)) || (*(WrapperStruct00_var_1_16_Pointer))))))) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned char) (((*(WrapperStruct00_var_1_1_Pointer)) <= (*(WrapperStruct00_var_1_9_Pointer))) && (*(WrapperStruct00_var_1_16_Pointer))))))) && (((*(WrapperStruct00_var_1_11_Pointer)) <= (*(WrapperStruct00_var_1_10_Pointer))) ? (((*(WrapperStruct00_var_1_1_Pointer)) != (*(WrapperStruct00_var_1_8_Pointer))) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_18_Pointer)))) : 1) : (((*(WrapperStruct00_var_1_8_Pointer)) <= 1000000) ? ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) 0)) : ((*(WrapperStruct00_var_1_17_Pointer)) == ((unsigned char) 0)))) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:6}, WrapperStruct00_var_1_11_Pointer={4:10}, WrapperStruct00_var_1_12_Pointer={4:14}, WrapperStruct00_var_1_13_Pointer={4:15}, WrapperStruct00_var_1_15_Pointer={4:16}, WrapperStruct00_var_1_16_Pointer={4:17}, WrapperStruct00_var_1_17_Pointer={4:18}, WrapperStruct00_var_1_18_Pointer={4:19}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_8_Pointer={4:4}, WrapperStruct00_var_1_9_Pointer={4:5}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 705 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 704 mSDsluCounter, 2767 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1895 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1480 IncrementalHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 872 mSDtfsCounter, 1480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=6, InterpolantAutomatonStates: 47, 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, 8 MinimizatonAttempts, 86 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 10562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1960/1980 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 07:32:09,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d976df0441559782faf2252bd19993d5a8987fee3e7cd12d006e6d9859f8f01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:32:11,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:32:11,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:32:11,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:32:11,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:32:11,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:32:11,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:32:11,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:32:11,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:32:11,522 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:32:11,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:32:11,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:32:11,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:32:11,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:32:11,523 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:32:11,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:32:11,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:32:11,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:32:11,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:32:11,524 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:32:11,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:11,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:32:11,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:11,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:32:11,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:32:11,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:32:11,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:32:11,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:32:11,527 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_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d976df0441559782faf2252bd19993d5a8987fee3e7cd12d006e6d9859f8f01 [2024-12-02 07:32:11,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:32:11,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:32:11,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:32:11,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:32:11,808 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:32:11,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:32:14,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/42cccd53a/e1b1afefa72e4cc78bc51d157ffbc513/FLAGbe10e7df9 [2024-12-02 07:32:14,835 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:32:14,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:32:14,845 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/42cccd53a/e1b1afefa72e4cc78bc51d157ffbc513/FLAGbe10e7df9 [2024-12-02 07:32:14,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/data/42cccd53a/e1b1afefa72e4cc78bc51d157ffbc513 [2024-12-02 07:32:14,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:32:14,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:32:14,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:32:14,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:32:14,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:32:14,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:32:14" (1/1) ... [2024-12-02 07:32:14,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503acf0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:14, skipping insertion in model container [2024-12-02 07:32:14,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:32:14" (1/1) ... [2024-12-02 07:32:14,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:32:15,022 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_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i[917,930] [2024-12-02 07:32:15,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:32:15,099 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:32:15,109 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_b3d85537-b871-4445-bd5f-f16d3db45523/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-42.i[917,930] [2024-12-02 07:32:15,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:32:15,169 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:32:15,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15 WrapperNode [2024-12-02 07:32:15,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:32:15,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:32:15,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:32:15,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:32:15,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,224 INFO L138 Inliner]: procedures = 34, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 445 [2024-12-02 07:32:15,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:32:15,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:32:15,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:32:15,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:32:15,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,243 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,263 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 27 writes are split as follows [0, 27]. [2024-12-02 07:32:15,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:32:15,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:32:15,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:32:15,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:32:15,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (1/1) ... [2024-12-02 07:32:15,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:32:15,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:32:15,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:32:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 07:32:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 07:32:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:32:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:32:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-12-02 07:32:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-12-02 07:32:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:32:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:32:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 07:32:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 07:32:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 07:32:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 07:32:15,500 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:32:15,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:32:16,213 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-12-02 07:32:16,213 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:32:16,224 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:32:16,224 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:32:16,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:32:16 BoogieIcfgContainer [2024-12-02 07:32:16,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:32:16,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:32:16,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:32:16,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:32:16,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:32:14" (1/3) ... [2024-12-02 07:32:16,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ad5d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:32:16, skipping insertion in model container [2024-12-02 07:32:16,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:32:15" (2/3) ... [2024-12-02 07:32:16,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ad5d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:32:16, skipping insertion in model container [2024-12-02 07:32:16,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:32:16" (3/3) ... [2024-12-02 07:32:16,233 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-42.i [2024-12-02 07:32:16,245 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:32:16,247 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-42.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:32:16,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:32:16,309 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;@7f808824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:32:16,309 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:32:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:32:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:16,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:16,324 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:16,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:16,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash 990451809, now seen corresponding path program 1 times [2024-12-02 07:32:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:32:16,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251935023] [2024-12-02 07:32:16,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:16,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:16,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:32:16,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:32:16,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 07:32:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:16,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:32:16,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 07:32:16,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:32:16,686 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:32:16,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251935023] [2024-12-02 07:32:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251935023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:32:16,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453974460] [2024-12-02 07:32:16,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:16,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:32:16,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:32:16,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:32:16,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:32:16,712 INFO L87 Difference]: Start difference. First operand has 100 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 87 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:16,740 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2024-12-02 07:32:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:32:16,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:32:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:16,747 INFO L225 Difference]: With dead ends: 193 [2024-12-02 07:32:16,748 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 07:32:16,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:32:16,753 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:16,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 07:32:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 07:32:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:32:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-12-02 07:32:16,791 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 103 [2024-12-02 07:32:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:16,792 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-12-02 07:32:16,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-12-02 07:32:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:16,795 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:16,795 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:16,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 07:32:16,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:16,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:16,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash -214908817, now seen corresponding path program 1 times [2024-12-02 07:32:16,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:32:16,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230222561] [2024-12-02 07:32:16,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:16,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:16,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:32:17,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:32:17,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 07:32:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:17,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:32:17,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 07:32:17,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:32:17,301 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:32:17,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230222561] [2024-12-02 07:32:17,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230222561] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:17,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:17,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:32:17,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645856042] [2024-12-02 07:32:17,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:17,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:32:17,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:32:17,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:32:17,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:32:17,304 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 07:32:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:17,371 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-12-02 07:32:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:32:17,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-12-02 07:32:17,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:17,374 INFO L225 Difference]: With dead ends: 191 [2024-12-02 07:32:17,374 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 07:32:17,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:32:17,375 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:17,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 07:32:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 07:32:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:32:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2024-12-02 07:32:17,386 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 103 [2024-12-02 07:32:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:17,388 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2024-12-02 07:32:17,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 07:32:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2024-12-02 07:32:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:17,390 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:17,390 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:17,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 07:32:17,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:17,591 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:17,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1743665969, now seen corresponding path program 1 times [2024-12-02 07:32:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:32:17,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474701845] [2024-12-02 07:32:17,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:17,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:17,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:32:17,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:32:17,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 07:32:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:17,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:32:17,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:17,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:32:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:32:17,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:32:17,937 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:32:17,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474701845] [2024-12-02 07:32:17,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474701845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:17,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:17,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:32:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584336349] [2024-12-02 07:32:17,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:17,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:17,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:32:17,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:17,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:17,939 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:17,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:17,977 INFO L93 Difference]: Finished difference Result 193 states and 271 transitions. [2024-12-02 07:32:17,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:17,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:32:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:17,979 INFO L225 Difference]: With dead ends: 193 [2024-12-02 07:32:17,979 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 07:32:17,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:17,981 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:17,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:17,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 07:32:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 07:32:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 85 states have internal predecessors, (114), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:32:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-12-02 07:32:17,992 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 103 [2024-12-02 07:32:17,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:17,993 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-12-02 07:32:17,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-12-02 07:32:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:17,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:17,996 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:18,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 07:32:18,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:18,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:18,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:18,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1884214579, now seen corresponding path program 1 times [2024-12-02 07:32:18,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:32:18,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433590902] [2024-12-02 07:32:18,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:18,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:18,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:32:18,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:32:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 07:32:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:18,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:32:18,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:18,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:32:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:32:18,565 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:32:18,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:32:18,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433590902] [2024-12-02 07:32:18,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433590902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:32:18,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:32:18,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:32:18,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405289477] [2024-12-02 07:32:18,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:32:18,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:32:18,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:32:18,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:32:18,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:18,567 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:32:18,595 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2024-12-02 07:32:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:32:18,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2024-12-02 07:32:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:32:18,597 INFO L225 Difference]: With dead ends: 193 [2024-12-02 07:32:18,597 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 07:32:18,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:32:18,599 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:32:18,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:32:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 07:32:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-12-02 07:32:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 85 states have internal predecessors, (113), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 07:32:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2024-12-02 07:32:18,607 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 103 [2024-12-02 07:32:18,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:32:18,608 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 135 transitions. [2024-12-02 07:32:18,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:32:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-12-02 07:32:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:32:18,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:32:18,610 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:32:18,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 07:32:18,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:18,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:32:18,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:32:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash 873097329, now seen corresponding path program 1 times [2024-12-02 07:32:18,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:32:18,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598006110] [2024-12-02 07:32:18,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:32:18,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:32:18,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:32:18,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:32:18,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 07:32:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:32:19,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 07:32:19,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:32:20,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:32:21,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:32:22,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:32:23,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-12-02 07:32:24,077 INFO L349 Elim1Store]: treesize reduction 59, result has 20.3 percent of original size [2024-12-02 07:32:24,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 63 [2024-12-02 07:32:24,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2024-12-02 07:32:24,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 51 [2024-12-02 07:32:24,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:32:24,567 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 54 treesize of output 51 [2024-12-02 07:32:24,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:32:24,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2024-12-02 07:32:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 84 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 07:32:24,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:33:02,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:02,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598006110] [2024-12-02 07:33:02,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598006110] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:33:02,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1113836661] [2024-12-02 07:33:02,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:33:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:33:02,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:33:02,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 07:33:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:03,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-02 07:33:03,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:05,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:33:06,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:33:07,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:33:08,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:33:09,642 INFO L349 Elim1Store]: treesize reduction 47, result has 24.2 percent of original size [2024-12-02 07:33:09,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 52 [2024-12-02 07:33:09,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2024-12-02 07:33:10,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2024-12-02 07:33:10,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2024-12-02 07:33:10,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-12-02 07:33:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 84 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-02 07:33:10,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:33:11,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1113836661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:33:11,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:33:11,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2024-12-02 07:33:11,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574857576] [2024-12-02 07:33:11,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:33:11,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 07:33:11,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:33:11,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 07:33:11,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=761, Unknown=8, NotChecked=0, Total=930 [2024-12-02 07:33:11,216 INFO L87 Difference]: Start difference. First operand 98 states and 135 transitions. Second operand has 26 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 9 states have call successors, (22), 7 states have call predecessors, (22), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2024-12-02 07:33:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:33:18,403 INFO L93 Difference]: Finished difference Result 228 states and 305 transitions. [2024-12-02 07:33:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 07:33:18,404 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 9 states have call successors, (22), 7 states have call predecessors, (22), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) Word has length 103 [2024-12-02 07:33:18,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:33:18,406 INFO L225 Difference]: With dead ends: 228 [2024-12-02 07:33:18,406 INFO L226 Difference]: Without dead ends: 133 [2024-12-02 07:33:18,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 235 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 42.6s TimeCoverageRelationStatistics Valid=469, Invalid=1503, Unknown=8, NotChecked=0, Total=1980 [2024-12-02 07:33:18,408 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 359 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:33:18,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 736 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:33:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-12-02 07:33:18,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2024-12-02 07:33:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 106 states have internal predecessors, (135), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 07:33:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions. [2024-12-02 07:33:18,428 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 103 [2024-12-02 07:33:18,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:33:18,428 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 163 transitions. [2024-12-02 07:33:18,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.375) internal successors, (105), 23 states have internal predecessors, (105), 9 states have call successors, (22), 7 states have call predecessors, (22), 9 states have return successors, (22), 9 states have call predecessors, (22), 9 states have call successors, (22) [2024-12-02 07:33:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2024-12-02 07:33:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 07:33:18,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:33:18,430 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:33:18,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 07:33:18,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 07:33:18,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:33:18,831 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:33:18,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:33:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1232006184, now seen corresponding path program 1 times [2024-12-02 07:33:18,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:33:18,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146459295] [2024-12-02 07:33:18,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:18,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:33:18,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:33:18,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:33:18,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 07:33:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:19,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-02 07:33:19,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:19,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:33:20,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:33:21,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:33:22,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:33:23,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:33:24,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:33:25,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 59 [2024-12-02 07:33:26,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2024-12-02 07:33:26,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2024-12-02 07:33:27,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2024-12-02 07:33:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 93 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 07:33:27,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:33:36,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:33:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146459295] [2024-12-02 07:33:36,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146459295] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:33:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1490501035] [2024-12-02 07:33:36,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:33:36,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:33:36,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:33:36,954 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:33:36,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-02 07:33:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:33:37,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-02 07:33:37,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:33:39,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:33:41,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-12-02 07:33:43,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 43 [2024-12-02 07:33:44,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-12-02 07:33:46,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2024-12-02 07:33:48,471 INFO L349 Elim1Store]: treesize reduction 43, result has 20.4 percent of original size [2024-12-02 07:33:48,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 78 [2024-12-02 07:33:49,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 97 [2024-12-02 07:33:49,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 92 [2024-12-02 07:33:50,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 92 [2024-12-02 07:33:50,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 75 [2024-12-02 07:33:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 07:33:51,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:35:18,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1490501035] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:35:18,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:35:18,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-12-02 07:35:18,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401778776] [2024-12-02 07:35:18,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:35:18,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-02 07:35:18,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:35:18,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-02 07:35:18,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=2330, Unknown=9, NotChecked=0, Total=2652 [2024-12-02 07:35:18,237 INFO L87 Difference]: Start difference. First operand 124 states and 163 transitions. Second operand has 30 states, 29 states have (on average 3.8620689655172415) internal successors, (112), 29 states have internal predecessors, (112), 11 states have call successors, (22), 10 states have call predecessors, (22), 11 states have return successors, (22), 10 states have call predecessors, (22), 11 states have call successors, (22) [2024-12-02 07:36:00,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:36:27,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:36:27,936 INFO L93 Difference]: Finished difference Result 533 states and 677 transitions. [2024-12-02 07:36:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-02 07:36:27,938 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.8620689655172415) internal successors, (112), 29 states have internal predecessors, (112), 11 states have call successors, (22), 10 states have call predecessors, (22), 11 states have return successors, (22), 10 states have call predecessors, (22), 11 states have call successors, (22) Word has length 103 [2024-12-02 07:36:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:36:27,940 INFO L225 Difference]: With dead ends: 533 [2024-12-02 07:36:27,940 INFO L226 Difference]: Without dead ends: 430 [2024-12-02 07:36:27,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2908 ImplicationChecksByTransitivity, 140.1s TimeCoverageRelationStatistics Valid=1881, Invalid=10542, Unknown=9, NotChecked=0, Total=12432 [2024-12-02 07:36:27,943 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 2023 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:36:27,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 1012 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 29.5s Time] [2024-12-02 07:36:27,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-12-02 07:36:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 254. [2024-12-02 07:36:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 211 states have (on average 1.2559241706161137) internal successors, (265), 213 states have internal predecessors, (265), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 07:36:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 321 transitions. [2024-12-02 07:36:28,001 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 321 transitions. Word has length 103 [2024-12-02 07:36:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:36:28,002 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 321 transitions. [2024-12-02 07:36:28,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.8620689655172415) internal successors, (112), 29 states have internal predecessors, (112), 11 states have call successors, (22), 10 states have call predecessors, (22), 11 states have return successors, (22), 10 states have call predecessors, (22), 11 states have call successors, (22) [2024-12-02 07:36:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 321 transitions. [2024-12-02 07:36:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:36:28,003 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:36:28,003 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:36:28,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-12-02 07:36:28,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-02 07:36:28,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:36:28,404 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:36:28,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:36:28,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2028923090, now seen corresponding path program 1 times [2024-12-02 07:36:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:36:28,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441742947] [2024-12-02 07:36:28,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:36:28,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:36:28,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:36:28,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:36:28,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 07:36:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:36:28,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 07:36:28,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:36:29,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2024-12-02 07:36:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 07:36:29,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:36:30,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 25 [2024-12-02 07:36:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 07:36:30,130 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:36:30,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441742947] [2024-12-02 07:36:30,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441742947] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:36:30,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:36:30,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 07:36:30,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707863454] [2024-12-02 07:36:30,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:36:30,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:36:30,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:36:30,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:36:30,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:36:30,132 INFO L87 Difference]: Start difference. First operand 254 states and 321 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 07:36:33,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:36:33,543 INFO L93 Difference]: Finished difference Result 547 states and 685 transitions. [2024-12-02 07:36:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 07:36:33,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 105 [2024-12-02 07:36:33,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:36:33,546 INFO L225 Difference]: With dead ends: 547 [2024-12-02 07:36:33,546 INFO L226 Difference]: Without dead ends: 274 [2024-12-02 07:36:33,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 07:36:33,548 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 131 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:36:33,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 704 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 07:36:33,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-12-02 07:36:33,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 250. [2024-12-02 07:36:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 207 states have (on average 1.2415458937198067) internal successors, (257), 209 states have internal predecessors, (257), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 07:36:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 313 transitions. [2024-12-02 07:36:33,608 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 313 transitions. Word has length 105 [2024-12-02 07:36:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:36:33,608 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 313 transitions. [2024-12-02 07:36:33,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 07:36:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 313 transitions. [2024-12-02 07:36:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:36:33,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:36:33,610 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:36:33,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 07:36:33,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:36:33,811 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:36:33,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:36:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash -507271283, now seen corresponding path program 1 times [2024-12-02 07:36:33,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:36:33,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799358285] [2024-12-02 07:36:33,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:36:33,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:36:33,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:36:33,813 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:36:33,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 07:36:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:36:34,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 07:36:34,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:36:35,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 07:36:38,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:36:40,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:36:43,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:36:46,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:36:48,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:36:51,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 07:36:51,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-12-02 07:36:52,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-12-02 07:36:53,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-12-02 07:36:53,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2024-12-02 07:36:54,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:36:54,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 44 [2024-12-02 07:36:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-02 07:36:54,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:37:14,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:37:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799358285] [2024-12-02 07:37:14,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799358285] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:37:14,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [811262876] [2024-12-02 07:37:14,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:37:14,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:37:14,051 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:37:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 07:37:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:15,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-02 07:37:15,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:37:16,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:37:20,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 07:37:22,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:37:25,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-12-02 07:37:27,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-12-02 07:37:31,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-12-02 07:37:34,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 59 [2024-12-02 07:37:35,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2024-12-02 07:37:36,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2024-12-02 07:37:37,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2024-12-02 07:37:38,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2024-12-02 07:37:40,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 56 [2024-12-02 07:37:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 93 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 07:37:40,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:37:49,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [811262876] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:37:49,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:37:49,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2024-12-02 07:37:49,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151601406] [2024-12-02 07:37:49,401 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:37:49,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 07:37:49,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:37:49,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 07:37:49,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1017, Unknown=1, NotChecked=0, Total=1190 [2024-12-02 07:37:49,402 INFO L87 Difference]: Start difference. First operand 250 states and 313 transitions. Second operand has 29 states, 27 states have (on average 4.444444444444445) internal successors, (120), 28 states have internal predecessors, (120), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) [2024-12-02 07:38:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:08,657 INFO L93 Difference]: Finished difference Result 535 states and 661 transitions. [2024-12-02 07:38:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 07:38:08,658 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 4.444444444444445) internal successors, (120), 28 states have internal predecessors, (120), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) Word has length 105 [2024-12-02 07:38:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:08,660 INFO L225 Difference]: With dead ends: 535 [2024-12-02 07:38:08,660 INFO L226 Difference]: Without dead ends: 288 [2024-12-02 07:38:08,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 235 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 45.2s TimeCoverageRelationStatistics Valid=619, Invalid=2802, Unknown=1, NotChecked=0, Total=3422 [2024-12-02 07:38:08,662 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 624 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:08,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 529 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2024-12-02 07:38:08,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-12-02 07:38:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 177. [2024-12-02 07:38:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 145 states have (on average 1.2206896551724138) internal successors, (177), 145 states have internal predecessors, (177), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 07:38:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 217 transitions. [2024-12-02 07:38:08,701 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 217 transitions. Word has length 105 [2024-12-02 07:38:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:08,702 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 217 transitions. [2024-12-02 07:38:08,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 4.444444444444445) internal successors, (120), 28 states have internal predecessors, (120), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) [2024-12-02 07:38:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 217 transitions. [2024-12-02 07:38:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:38:08,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:08,703 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:08,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-12-02 07:38:08,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 07:38:09,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:38:09,104 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:09,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash 193793295, now seen corresponding path program 1 times [2024-12-02 07:38:09,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:09,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357904740] [2024-12-02 07:38:09,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:09,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:09,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:09,106 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:38:09,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 07:38:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:09,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 07:38:09,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:17,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:38:17,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2024-12-02 07:38:18,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-12-02 07:38:18,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-12-02 07:38:18,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:18,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 24 [2024-12-02 07:38:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:38:19,275 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:19,275 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:19,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357904740] [2024-12-02 07:38:19,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357904740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:19,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:19,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:38:19,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368133464] [2024-12-02 07:38:19,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:19,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:38:19,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:19,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:38:19,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:38:19,276 INFO L87 Difference]: Start difference. First operand 177 states and 217 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:24,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:24,306 INFO L93 Difference]: Finished difference Result 408 states and 507 transitions. [2024-12-02 07:38:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:38:24,307 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 07:38:24,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:24,309 INFO L225 Difference]: With dead ends: 408 [2024-12-02 07:38:24,309 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 07:38:24,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:38:24,310 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 289 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:24,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 519 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 07:38:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 07:38:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 196. [2024-12-02 07:38:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 164 states have (on average 1.225609756097561) internal successors, (201), 164 states have internal predecessors, (201), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 07:38:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 241 transitions. [2024-12-02 07:38:24,371 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 241 transitions. Word has length 105 [2024-12-02 07:38:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:24,371 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 241 transitions. [2024-12-02 07:38:24,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 241 transitions. [2024-12-02 07:38:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:38:24,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:24,372 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:24,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 07:38:24,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:24,573 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:24,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash -877433752, now seen corresponding path program 1 times [2024-12-02 07:38:24,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:24,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913269923] [2024-12-02 07:38:24,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:24,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:24,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:24,575 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:38:24,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 07:38:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:24,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:38:24,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:24,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 07:38:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:38:24,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:24,845 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:24,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913269923] [2024-12-02 07:38:24,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913269923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:24,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:24,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:38:24,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23937424] [2024-12-02 07:38:24,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:24,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:38:24,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:24,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:38:24,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:38:24,846 INFO L87 Difference]: Start difference. First operand 196 states and 241 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:24,938 INFO L93 Difference]: Finished difference Result 387 states and 476 transitions. [2024-12-02 07:38:24,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:38:24,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 07:38:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:24,940 INFO L225 Difference]: With dead ends: 387 [2024-12-02 07:38:24,940 INFO L226 Difference]: Without dead ends: 194 [2024-12-02 07:38:24,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:38:24,941 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:24,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 247 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:38:24,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-12-02 07:38:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-12-02 07:38:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 162 states have (on average 1.2098765432098766) internal successors, (196), 162 states have internal predecessors, (196), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 07:38:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 236 transitions. [2024-12-02 07:38:24,987 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 236 transitions. Word has length 105 [2024-12-02 07:38:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:24,987 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 236 transitions. [2024-12-02 07:38:24,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 236 transitions. [2024-12-02 07:38:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 07:38:24,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:24,988 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:24,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 07:38:25,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:25,188 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash 219424342, now seen corresponding path program 1 times [2024-12-02 07:38:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:25,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519537062] [2024-12-02 07:38:25,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:25,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:25,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:25,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:38:25,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 07:38:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:25,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:38:25,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:25,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 07:38:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 07:38:25,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:25,463 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:25,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519537062] [2024-12-02 07:38:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519537062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:25,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:25,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:38:25,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658472187] [2024-12-02 07:38:25,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:25,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:38:25,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:25,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:38:25,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:38:25,464 INFO L87 Difference]: Start difference. First operand 194 states and 236 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:25,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:25,540 INFO L93 Difference]: Finished difference Result 353 states and 425 transitions. [2024-12-02 07:38:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:38:25,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2024-12-02 07:38:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:25,542 INFO L225 Difference]: With dead ends: 353 [2024-12-02 07:38:25,542 INFO L226 Difference]: Without dead ends: 162 [2024-12-02 07:38:25,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:38:25,543 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:25,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:38:25,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-12-02 07:38:25,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-12-02 07:38:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 130 states have (on average 1.1538461538461537) internal successors, (150), 130 states have internal predecessors, (150), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 07:38:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 190 transitions. [2024-12-02 07:38:25,582 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 190 transitions. Word has length 105 [2024-12-02 07:38:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:25,583 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 190 transitions. [2024-12-02 07:38:25,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 07:38:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 190 transitions. [2024-12-02 07:38:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 07:38:25,584 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:25,584 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:25,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 07:38:25,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:25,785 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:25,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:25,785 INFO L85 PathProgramCache]: Analyzing trace with hash 557642696, now seen corresponding path program 1 times [2024-12-02 07:38:25,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:25,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129464192] [2024-12-02 07:38:25,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:25,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:25,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:25,787 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:38:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 07:38:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:26,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-02 07:38:26,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:29,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:38:33,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2024-12-02 07:38:36,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-12-02 07:38:39,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-12-02 07:38:43,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-12-02 07:38:47,151 INFO L349 Elim1Store]: treesize reduction 71, result has 17.4 percent of original size [2024-12-02 07:38:47,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 94 treesize of output 93 [2024-12-02 07:38:48,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 108 [2024-12-02 07:38:49,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:38:50,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:38:51,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:38:53,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:53,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 167 treesize of output 79 [2024-12-02 07:38:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 72 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 07:38:54,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:39:42,048 WARN L851 $PredicateComparison]: unable to prove that (forall ((~WrapperStruct00_var_1_9_Pointer~0.base (_ BitVec 32)) (~WrapperStruct00_var_1_9_Pointer~0.offset (_ BitVec 32))) (let ((.cse7 (store |c_#memory_int#1| c_~WrapperStruct00_var_1_8_Pointer~0.base (store (select |c_#memory_int#1| c_~WrapperStruct00_var_1_8_Pointer~0.base) c_~WrapperStruct00_var_1_8_Pointer~0.offset ((_ sign_extend 24) ((_ extract 7 0) (bvadd (_ bv100 32) ((_ zero_extend 24) ((_ extract 7 0) (select (select |c_#memory_int#1| ~WrapperStruct00_var_1_9_Pointer~0.base) ~WrapperStruct00_var_1_9_Pointer~0.offset)))))))))) (let ((.cse0 (let ((.cse8 (select (select .cse7 c_~WrapperStruct00_var_1_11_Pointer~0.base) c_~WrapperStruct00_var_1_11_Pointer~0.offset))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (or (forall ((|v_skolemized_q#valueAsBitvector_61| (_ BitVec 32)) (|ULTIMATE.start_step_#t~ite23#1| (_ BitVec 32)) (v_ArrVal_645 (_ BitVec 32)) (v_ArrVal_642 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_61|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_61|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_61|)) .cse0)) (let ((.cse2 (let ((.cse4 (let ((.cse5 (let ((.cse6 (store .cse7 c_~WrapperStruct00_var_1_10_Pointer~0.base (store (select .cse7 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset |v_skolemized_q#valueAsBitvector_61|)))) (store .cse6 c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select .cse6 c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset |ULTIMATE.start_step_#t~ite23#1|))))) (store .cse5 c_~WrapperStruct00_var_1_17_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_17_Pointer~0.base) c_~WrapperStruct00_var_1_17_Pointer~0.offset v_ArrVal_642))))) (store .cse4 c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select .cse4 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset v_ArrVal_645))))) (fp.eq (let ((.cse1 (select (select .cse2 c_~WrapperStruct00_var_1_10_Pointer~0.base) c_~WrapperStruct00_var_1_10_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) (let ((.cse3 (select (select .cse2 c_~WrapperStruct00_var_1_11_Pointer~0.base) c_~WrapperStruct00_var_1_11_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))))) (not (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1283.0 20.0)))))))) is different from false [2024-12-02 07:39:42,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:39:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129464192] [2024-12-02 07:39:42,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129464192] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:39:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [493486297] [2024-12-02 07:39:42,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:39:42,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:39:42,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:39:42,578 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:39:42,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-02 07:39:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:39:43,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-02 07:39:43,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:39:48,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:39:53,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 40 [2024-12-02 07:39:57,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 43 [2024-12-02 07:40:00,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2024-12-02 07:40:05,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 62 [2024-12-02 07:40:09,708 INFO L349 Elim1Store]: treesize reduction 51, result has 17.7 percent of original size [2024-12-02 07:40:09,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 94 treesize of output 89 [2024-12-02 07:40:11,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 108 [2024-12-02 07:40:13,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:40:15,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:40:17,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2024-12-02 07:40:20,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 90 [2024-12-02 07:40:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 07:40:20,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:42:03,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [493486297] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:42:03,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:42:03,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 35 [2024-12-02 07:42:03,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401137645] [2024-12-02 07:42:03,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:42:03,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 07:42:03,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:42:03,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 07:42:03,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2540, Unknown=21, NotChecked=104, Total=2970 [2024-12-02 07:42:03,143 INFO L87 Difference]: Start difference. First operand 162 states and 190 transitions. Second operand has 36 states, 36 states have (on average 3.4722222222222223) internal successors, (125), 35 states have internal predecessors, (125), 10 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) [2024-12-02 07:42:30,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 07:42:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:42:36,119 INFO L93 Difference]: Finished difference Result 372 states and 441 transitions. [2024-12-02 07:42:36,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 07:42:36,121 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.4722222222222223) internal successors, (125), 35 states have internal predecessors, (125), 10 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) Word has length 107 [2024-12-02 07:42:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:42:36,122 INFO L225 Difference]: With dead ends: 372 [2024-12-02 07:42:36,122 INFO L226 Difference]: Without dead ends: 213 [2024-12-02 07:42:36,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 171.4s TimeCoverageRelationStatistics Valid=633, Invalid=3640, Unknown=21, NotChecked=128, Total=4422 [2024-12-02 07:42:36,123 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 600 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:42:36,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 1504 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2117 Invalid, 0 Unknown, 0 Unchecked, 23.7s Time] [2024-12-02 07:42:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-12-02 07:42:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 179. [2024-12-02 07:42:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 147 states have (on average 1.1428571428571428) internal successors, (168), 147 states have internal predecessors, (168), 20 states have call successors, (20), 11 states have call predecessors, (20), 11 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 07:42:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 208 transitions. [2024-12-02 07:42:36,186 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 208 transitions. Word has length 107 [2024-12-02 07:42:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:42:36,186 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 208 transitions. [2024-12-02 07:42:36,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.4722222222222223) internal successors, (125), 35 states have internal predecessors, (125), 10 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 10 states have call predecessors, (22), 10 states have call successors, (22) [2024-12-02 07:42:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 208 transitions. [2024-12-02 07:42:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 07:42:36,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:42:36,187 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:42:36,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-12-02 07:42:36,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-02 07:42:36,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:42:36,588 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:42:36,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:42:36,588 INFO L85 PathProgramCache]: Analyzing trace with hash 716915087, now seen corresponding path program 1 times [2024-12-02 07:42:36,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:42:36,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979588059] [2024-12-02 07:42:36,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:42:36,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:42:36,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:42:36,590 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 07:42:36,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 07:42:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:42:36,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-02 07:42:36,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:42:40,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:42:44,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2024-12-02 07:42:47,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2024-12-02 07:42:50,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-12-02 07:42:53,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2024-12-02 07:42:57,585 INFO L349 Elim1Store]: treesize reduction 71, result has 17.4 percent of original size [2024-12-02 07:42:57,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 80 [2024-12-02 07:42:59,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 106 [2024-12-02 07:43:00,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 101 [2024-12-02 07:43:01,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 101 [2024-12-02 07:43:02,577 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 122 [2024-12-02 07:43:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 07:43:02,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 155 [2024-12-02 07:43:03,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2024-12-02 07:43:06,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:43:06,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 283 treesize of output 135 [2024-12-02 07:43:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 92 proven. 90 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-02 07:43:07,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:44:58,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:44:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979588059] [2024-12-02 07:44:58,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979588059] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:44:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1463608447] [2024-12-02 07:44:58,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:44:58,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:44:58,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:44:58,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:44:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d85537-b871-4445-bd5f-f16d3db45523/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-02 07:44:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:44:59,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-02 07:44:59,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:45:07,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 07:45:22,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2024-12-02 07:45:29,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2024-12-02 07:45:35,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 38 [2024-12-02 07:45:43,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 41 [2024-12-02 07:45:50,909 INFO L349 Elim1Store]: treesize reduction 35, result has 23.9 percent of original size [2024-12-02 07:45:50,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 65 [2024-12-02 07:45:54,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 84 [2024-12-02 07:45:56,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 79 [2024-12-02 07:46:00,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 79 [2024-12-02 07:46:04,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 103 [2024-12-02 07:46:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 07:46:04,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 127 [2024-12-02 07:46:04,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 07:46:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 07:46:04,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-12-02 07:46:13,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 119 [2024-12-02 07:46:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 90 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 07:46:14,424 INFO L312 TraceCheckSpWp]: Computing backward predicates...