./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC --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 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:53:26,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:53:27,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:53:27,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:53:27,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:53:27,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:53:27,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:53:27,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:53:27,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:53:27,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:53:27,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:53:27,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:53:27,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:53:27,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:53:27,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:53:27,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:53:27,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:53:27,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:53:27,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:53:27,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:53:27,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:53:27,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:53:27,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:27,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:27,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:53:27,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:53:27,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:53:27,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:53:27,177 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC 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 -> 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a [2024-11-24 01:53:27,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:53:27,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:53:27,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:53:27,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:53:27,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:53:27,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:31,111 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/62b4a2b74/29b45927fddf4326ae2a2bd044250d49/FLAG096b87a27 [2024-11-24 01:53:31,454 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:53:31,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:31,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/62b4a2b74/29b45927fddf4326ae2a2bd044250d49/FLAG096b87a27 [2024-11-24 01:53:31,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/62b4a2b74/29b45927fddf4326ae2a2bd044250d49 [2024-11-24 01:53:31,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:53:31,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:53:31,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:53:31,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:53:31,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:53:31,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:31,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c23225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31, skipping insertion in model container [2024-11-24 01:53:31,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:31,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:53:31,762 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2024-11-24 01:53:31,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:53:31,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:53:31,862 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2024-11-24 01:53:31,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:53:31,915 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:53:31,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31 WrapperNode [2024-11-24 01:53:31,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:53:31,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:53:31,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:53:31,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:53:31,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:31,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,006 INFO L138 Inliner]: procedures = 29, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 350 [2024-11-24 01:53:32,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:53:32,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:53:32,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:53:32,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:53:32,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,076 INFO L175 MemorySlicer]: Split 86 memory accesses to 2 slices as follows [2, 84]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2024-11-24 01:53:32,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:53:32,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:53:32,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:53:32,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:53:32,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (1/1) ... [2024-11-24 01:53:32,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:32,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:32,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:53:32,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:53:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:53:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 01:53:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 01:53:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:53:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:53:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 01:53:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 01:53:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:53:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:53:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 01:53:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 01:53:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:53:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:53:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:53:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:53:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:53:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:53:32,382 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:53:32,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:53:33,010 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-24 01:53:33,010 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:53:33,023 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:53:33,023 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:53:33,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:53:33 BoogieIcfgContainer [2024-11-24 01:53:33,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:53:33,027 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:53:33,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:53:33,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:53:33,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:53:31" (1/3) ... [2024-11-24 01:53:33,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585d0e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:53:33, skipping insertion in model container [2024-11-24 01:53:33,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:31" (2/3) ... [2024-11-24 01:53:33,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585d0e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:53:33, skipping insertion in model container [2024-11-24 01:53:33,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:53:33" (3/3) ... [2024-11-24 01:53:33,038 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:33,062 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:53:33,065 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-9.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:53:33,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:53:33,185 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;@36173ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:53:33,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:53:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:53:33,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:33,204 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:33,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:33,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:33,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1156031742, now seen corresponding path program 1 times [2024-11-24 01:53:33,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:33,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895879846] [2024-11-24 01:53:33,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:33,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-24 01:53:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:33,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895879846] [2024-11-24 01:53:33,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895879846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:33,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088918172] [2024-11-24 01:53:33,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:33,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:33,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:33,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:53:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:33,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:53:33,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-24 01:53:33,900 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:33,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088918172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:33,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:53:33,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:53:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503551829] [2024-11-24 01:53:33,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:33,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:53:33,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:33,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:53:33,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:53:33,945 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.4264705882352942) internal successors, (97), 69 states have internal predecessors, (97), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:53:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:33,980 INFO L93 Difference]: Finished difference Result 145 states and 213 transitions. [2024-11-24 01:53:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:53:33,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-24 01:53:33,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:33,989 INFO L225 Difference]: With dead ends: 145 [2024-11-24 01:53:33,990 INFO L226 Difference]: Without dead ends: 72 [2024-11-24 01:53:33,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:53:34,000 INFO L435 NwaCegarLoop]: 100 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, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:34,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:53:34,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-24 01:53:34,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-24 01:53:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-24 01:53:34,046 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 62 [2024-11-24 01:53:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:34,047 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-24 01:53:34,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:53:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-24 01:53:34,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:53:34,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:34,050 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:34,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:53:34,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:34,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:34,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:34,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1779963588, now seen corresponding path program 1 times [2024-11-24 01:53:34,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:34,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575709295] [2024-11-24 01:53:34,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:34,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:34,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575709295] [2024-11-24 01:53:34,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575709295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:34,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:34,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:53:34,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411228187] [2024-11-24 01:53:34,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:34,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:53:34,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:34,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:53:34,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:53:34,782 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:34,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:34,894 INFO L93 Difference]: Finished difference Result 144 states and 201 transitions. [2024-11-24 01:53:34,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:53:34,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:53:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:34,896 INFO L225 Difference]: With dead ends: 144 [2024-11-24 01:53:34,896 INFO L226 Difference]: Without dead ends: 75 [2024-11-24 01:53:34,897 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 [2024-11-24 01:53:34,898 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:34,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 280 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:53:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-24 01:53:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-24 01:53:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2024-11-24 01:53:34,919 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 62 [2024-11-24 01:53:34,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:34,923 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2024-11-24 01:53:34,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2024-11-24 01:53:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:53:34,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:34,927 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:34,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:53:34,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:34,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1813939130, now seen corresponding path program 1 times [2024-11-24 01:53:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:34,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449523209] [2024-11-24 01:53:34,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:53:36,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:36,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449523209] [2024-11-24 01:53:36,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449523209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:36,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086151371] [2024-11-24 01:53:36,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:36,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:36,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:36,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:53:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:36,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:53:36,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:36,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:36,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086151371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:36,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:53:36,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-24 01:53:36,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120320292] [2024-11-24 01:53:36,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:36,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:53:36,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:36,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:53:36,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:53:36,445 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:36,498 INFO L93 Difference]: Finished difference Result 148 states and 205 transitions. [2024-11-24 01:53:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:53:36,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:53:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:36,500 INFO L225 Difference]: With dead ends: 148 [2024-11-24 01:53:36,500 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 01:53:36,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:53:36,502 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:36,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:53:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 01:53:36,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-11-24 01:53:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2024-11-24 01:53:36,510 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 62 [2024-11-24 01:53:36,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:36,510 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2024-11-24 01:53:36,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2024-11-24 01:53:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:53:36,512 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:36,513 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:36,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:53:36,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:36,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:36,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:36,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1133880760, now seen corresponding path program 1 times [2024-11-24 01:53:36,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:36,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893113549] [2024-11-24 01:53:36,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:36,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:53:37,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:37,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893113549] [2024-11-24 01:53:37,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893113549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:37,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897673442] [2024-11-24 01:53:37,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:37,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:37,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:37,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:53:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:37,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:53:37,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:37,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897673442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:37,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:53:37,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-24 01:53:37,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297986183] [2024-11-24 01:53:37,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:37,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:53:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:37,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:53:37,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:53:37,820 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:37,861 INFO L93 Difference]: Finished difference Result 152 states and 209 transitions. [2024-11-24 01:53:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:53:37,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:53:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:37,866 INFO L225 Difference]: With dead ends: 152 [2024-11-24 01:53:37,866 INFO L226 Difference]: Without dead ends: 79 [2024-11-24 01:53:37,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:53:37,868 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:37,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:53:37,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-24 01:53:37,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-11-24 01:53:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-11-24 01:53:37,883 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 62 [2024-11-24 01:53:37,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:37,883 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-11-24 01:53:37,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-11-24 01:53:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:53:37,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:37,885 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:37,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:53:38,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:38,094 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:38,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1132033718, now seen corresponding path program 1 times [2024-11-24 01:53:38,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:38,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683769625] [2024-11-24 01:53:38,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:38,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 01:53:38,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683769625] [2024-11-24 01:53:38,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683769625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:53:38,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854375911] [2024-11-24 01:53:38,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:38,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:38,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:38,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:38,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:53:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:38,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:53:38,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:39,203 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 19 treesize of output 7 [2024-11-24 01:53:39,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:53:39,943 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 18 treesize of output 14 [2024-11-24 01:53:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 01:53:39,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 7 [2024-11-24 01:53:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:39,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:39,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854375911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:39,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:53:39,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-24 01:53:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051542232] [2024-11-24 01:53:39,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:39,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:53:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:39,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:53:39,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:53:39,988 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:40,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:40,504 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2024-11-24 01:53:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:53:40,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:53:40,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:40,507 INFO L225 Difference]: With dead ends: 235 [2024-11-24 01:53:40,507 INFO L226 Difference]: Without dead ends: 160 [2024-11-24 01:53:40,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:53:40,511 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 111 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:40,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 328 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:53:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-24 01:53:40,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 103. [2024-11-24 01:53:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:53:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 139 transitions. [2024-11-24 01:53:40,538 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 139 transitions. Word has length 62 [2024-11-24 01:53:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:40,538 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 139 transitions. [2024-11-24 01:53:40,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 139 transitions. [2024-11-24 01:53:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 01:53:40,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:40,541 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:40,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:53:40,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:40,745 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:40,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:40,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1248313765, now seen corresponding path program 1 times [2024-11-24 01:53:40,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:40,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945055183] [2024-11-24 01:53:40,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:40,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:41,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:41,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945055183] [2024-11-24 01:53:41,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945055183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:41,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:41,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:53:41,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99160756] [2024-11-24 01:53:41,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:41,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:53:41,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:41,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:53:41,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:53:41,394 INFO L87 Difference]: Start difference. First operand 103 states and 139 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:41,641 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2024-11-24 01:53:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:53:41,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 63 [2024-11-24 01:53:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:41,646 INFO L225 Difference]: With dead ends: 180 [2024-11-24 01:53:41,646 INFO L226 Difference]: Without dead ends: 105 [2024-11-24 01:53:41,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:53:41,647 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 124 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:41,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 250 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:53:41,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-24 01:53:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-24 01:53:41,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 92 states have (on average 1.315217391304348) internal successors, (121), 92 states have internal predecessors, (121), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:53:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2024-11-24 01:53:41,664 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 63 [2024-11-24 01:53:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:41,665 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2024-11-24 01:53:41,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2024-11-24 01:53:41,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 01:53:41,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:41,666 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:41,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:53:41,667 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:41,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:41,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2085121383, now seen corresponding path program 1 times [2024-11-24 01:53:41,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:41,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700076477] [2024-11-24 01:53:41,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700076477] [2024-11-24 01:53:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700076477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:42,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:53:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148035475] [2024-11-24 01:53:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:42,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:53:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:42,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:53:42,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:53:42,997 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:53:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:43,597 INFO L93 Difference]: Finished difference Result 233 states and 315 transitions. [2024-11-24 01:53:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:53:43,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-24 01:53:43,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:43,599 INFO L225 Difference]: With dead ends: 233 [2024-11-24 01:53:43,599 INFO L226 Difference]: Without dead ends: 156 [2024-11-24 01:53:43,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:53:43,600 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 327 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:43,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 211 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:53:43,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-24 01:53:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 126. [2024-11-24 01:53:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 113 states have (on average 1.345132743362832) internal successors, (152), 113 states have internal predecessors, (152), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:53:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2024-11-24 01:53:43,626 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 67 [2024-11-24 01:53:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:43,626 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2024-11-24 01:53:43,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:53:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2024-11-24 01:53:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 01:53:43,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:43,628 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:43,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:53:43,628 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:43,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:43,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1013672813, now seen corresponding path program 1 times [2024-11-24 01:53:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:43,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902950259] [2024-11-24 01:53:43,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:43,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:44,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:44,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902950259] [2024-11-24 01:53:44,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902950259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:44,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:44,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:53:44,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945855105] [2024-11-24 01:53:44,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:44,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:53:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:44,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:53:44,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:53:44,046 INFO L87 Difference]: Start difference. First operand 126 states and 172 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:44,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:44,308 INFO L93 Difference]: Finished difference Result 262 states and 356 transitions. [2024-11-24 01:53:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:53:44,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-11-24 01:53:44,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:44,311 INFO L225 Difference]: With dead ends: 262 [2024-11-24 01:53:44,311 INFO L226 Difference]: Without dead ends: 164 [2024-11-24 01:53:44,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:53:44,312 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 147 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:44,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 254 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:53:44,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-24 01:53:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2024-11-24 01:53:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:53:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 176 transitions. [2024-11-24 01:53:44,335 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 176 transitions. Word has length 67 [2024-11-24 01:53:44,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:44,335 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 176 transitions. [2024-11-24 01:53:44,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 176 transitions. [2024-11-24 01:53:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-24 01:53:44,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:44,337 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:44,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:53:44,338 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:44,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:44,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1047048597, now seen corresponding path program 1 times [2024-11-24 01:53:44,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:44,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350208882] [2024-11-24 01:53:44,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:44,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:53:44,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524089294] [2024-11-24 01:53:44,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:44,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:44,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:44,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:53:44,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:53:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:53:44,737 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:53:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:53:45,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:53:45,071 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:53:45,072 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:53:45,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:53:45,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:53:45,279 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:45,448 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:53:45,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:53:45 BoogieIcfgContainer [2024-11-24 01:53:45,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:53:45,456 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:53:45,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:53:45,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:53:45,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:53:33" (3/4) ... [2024-11-24 01:53:45,460 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:53:45,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:53:45,463 INFO L158 Benchmark]: Toolchain (without parser) took 13952.40ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.2MB in the beginning and 114.5MB in the end (delta: -22.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:53:45,463 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:53:45,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.46ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:53:45,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.02ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:53:45,465 INFO L158 Benchmark]: Boogie Preprocessor took 129.23ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:53:45,465 INFO L158 Benchmark]: RCFGBuilder took 887.14ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 46.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:53:45,466 INFO L158 Benchmark]: TraceAbstraction took 12428.94ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 46.3MB in the beginning and 114.5MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:53:45,467 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 114.5MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:53:45,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.46ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.02ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 129.23ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 887.14ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 46.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12428.94ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 46.3MB in the beginning and 114.5MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 176.2MB. Free memory was 114.5MB in the beginning and 114.5MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 104, overapproximation of shiftLeft at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 104. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 10, 4, 0, 100, 32, 9.2, 0.975, 1, -16 }; [L45] unsigned char* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] unsigned char* WrapperStruct0_var_1_3_Pointer = &(WrapperStruct0.var_1_3); [L47] unsigned char* WrapperStruct0_var_1_7_Pointer = &(WrapperStruct0.var_1_7); [L48] signed short int* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L49] unsigned char* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L50] double* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L51] double* WrapperStruct0_var_1_11_Pointer = &(WrapperStruct0.var_1_11); [L52] signed short int* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L53] signed long int* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L54] unsigned char last_1_WrapperStruct0_var_1_1 = 10; [L55] double last_1_WrapperStruct0_var_1_10 = 9.2; [L56] signed short int last_1_WrapperStruct0_var_1_12 = 1; [L57] signed long int last_1_WrapperStruct0_var_1_14 = -16; VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=0, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L98] EXPR WrapperStruct0.var_1_1 [L98] last_1_WrapperStruct0_var_1_1 = WrapperStruct0.var_1_1 [L99] EXPR WrapperStruct0.var_1_10 [L99] last_1_WrapperStruct0_var_1_10 = WrapperStruct0.var_1_10 [L100] EXPR WrapperStruct0.var_1_12 [L100] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L101] EXPR WrapperStruct0.var_1_14 [L101] last_1_WrapperStruct0_var_1_14 = WrapperStruct0.var_1_14 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L88] WrapperStruct0.var_1_3 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L89] CALL assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L89] RET assume_abort_if_not(WrapperStruct0.var_1_3 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] EXPR WrapperStruct0.var_1_3 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] CALL assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L90] RET assume_abort_if_not(WrapperStruct0.var_1_3 <= 254) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L91] WrapperStruct0.var_1_7 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_7 >= 0) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] EXPR WrapperStruct0.var_1_7 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] CALL assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L93] RET assume_abort_if_not(WrapperStruct0.var_1_7 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L94] WrapperStruct0.var_1_11 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct0.var_1_11 [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F [L95] EXPR WrapperStruct0.var_1_11 [L95] EXPR WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] EXPR (WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] CALL assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L95] RET assume_abort_if_not((WrapperStruct0.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_11 <= -1.0e-20F) || (WrapperStruct0.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L112] RET updateVariables() [L113] CALL step() [L61] unsigned char stepLocal_0 = last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10; VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10, stepLocal_0=0] [L62] COND FALSE !(((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || stepLocal_0) [L65] (*(WrapperStruct0_var_1_12_Pointer)) = last_1_WrapperStruct0_var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L67] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L67] (*(WrapperStruct0_var_1_14_Pointer)) = (*(WrapperStruct0_var_1_12_Pointer)) [L68] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L68] EXPR 10 << (*(WrapperStruct0_var_1_12_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L68] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L68] EXPR \read(*WrapperStruct0_var_1_14_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L68] COND TRUE (10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer))) [L69] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L69] (*(WrapperStruct0_var_1_8_Pointer)) = ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))) [L71] (*(WrapperStruct0_var_1_9_Pointer)) = 64 [L72] EXPR \read(*WrapperStruct0_var_1_11_Pointer) [L72] (*(WrapperStruct0_var_1_10_Pointer)) = (*(WrapperStruct0_var_1_11_Pointer)) [L73] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L73] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) <= 16 [L74] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L74] (*(WrapperStruct0_var_1_1_Pointer)) = (*(WrapperStruct0_var_1_3_Pointer)) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) [L104] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L104] EXPR ((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR 10 << (*(WrapperStruct0_var_1_12_Pointer)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR \read(*WrapperStruct0_var_1_3_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_14_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1 [L104] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L104] EXPR ((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64)) [L104] EXPR \read(*WrapperStruct0_var_1_9_Pointer) [L104] EXPR ((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer)))) [L104] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L104] EXPR \read(*WrapperStruct0_var_1_11_Pointer) [L104] EXPR (((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR ((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104] EXPR (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L104-L105] return (((((((*(WrapperStruct0_var_1_12_Pointer)) <= 16) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : (((((((*(WrapperStruct0_var_1_10_Pointer))) > ((*(WrapperStruct0_var_1_10_Pointer)))) ? ((*(WrapperStruct0_var_1_10_Pointer))) : ((*(WrapperStruct0_var_1_10_Pointer))))) < (*(WrapperStruct0_var_1_10_Pointer))) ? ((*(WrapperStruct0_var_1_7_Pointer)) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer))))) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_3_Pointer)))))) && (((10 << (*(WrapperStruct0_var_1_12_Pointer))) < ((*(WrapperStruct0_var_1_3_Pointer)) * (*(WrapperStruct0_var_1_14_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer)) == ((signed short int) ((*(WrapperStruct0_var_1_12_Pointer)) + (*(WrapperStruct0_var_1_14_Pointer))))) : 1)) && ((*(WrapperStruct0_var_1_9_Pointer)) == ((unsigned char) 64))) && ((*(WrapperStruct0_var_1_10_Pointer)) == ((double) (*(WrapperStruct0_var_1_11_Pointer))))) && ((((last_1_WrapperStruct0_var_1_12 + last_1_WrapperStruct0_var_1_1) < 10) || (last_1_WrapperStruct0_var_1_10 > last_1_WrapperStruct0_var_1_10)) ? ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) (((((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) > (last_1_WrapperStruct0_var_1_1)) ? ((((*(WrapperStruct0_var_1_3_Pointer)) + last_1_WrapperStruct0_var_1_12) - ((((last_1_WrapperStruct0_var_1_14) > (last_1_WrapperStruct0_var_1_12)) ? (last_1_WrapperStruct0_var_1_14) : (last_1_WrapperStruct0_var_1_12))))) : (last_1_WrapperStruct0_var_1_1))))) : ((*(WrapperStruct0_var_1_12_Pointer)) == ((signed short int) last_1_WrapperStruct0_var_1_12)))) && ((*(WrapperStruct0_var_1_14_Pointer)) == ((signed long int) (*(WrapperStruct0_var_1_12_Pointer)))) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:6}, WrapperStruct0_var_1_11_Pointer={4:14}, WrapperStruct0_var_1_12_Pointer={4:22}, WrapperStruct0_var_1_14_Pointer={4:24}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_3_Pointer={4:1}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:5}, isInitial=1, last_1_WrapperStruct0_var_1_10=46/5, last_1_WrapperStruct0_var_1_12=1, last_1_WrapperStruct0_var_1_14=-16, last_1_WrapperStruct0_var_1_1=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 712 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 712 mSDsluCounter, 1986 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1316 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 743 IncrementalHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 670 mSDtfsCounter, 743 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=8, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 124 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 743 ConstructedInterpolants, 0 QuantifiedInterpolants, 3654 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1174 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 436/480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:53:45,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/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_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC --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 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:53:48,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:53:48,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:53:48,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:53:48,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:53:48,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:53:48,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:53:48,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:53:48,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:53:48,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:53:48,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:53:48,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:53:48,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:53:48,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:53:48,880 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:53:48,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:53:48,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:53:48,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:53:48,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:53:48,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:53:48,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:53:48,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:53:48,883 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:53:48,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:53:48,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:53:48,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:53:48,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:48,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:53:48,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:53:48,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:53:48,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:53:48,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:48,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:53:48,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:53:48,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:53:48,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:53:48,892 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:53:48,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:53:48,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:53:48,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:53:48,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:53:48,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:53:48,893 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC 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 -> 671a45704fa186ff8f8ae16fa1f231720ab75623ea1dd3c585bf6353937ced8a [2024-11-24 01:53:49,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:53:49,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:53:49,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:53:49,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:53:49,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:53:49,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:53,022 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/04bddc5cc/3a89c7a5c6d148c88e54fbdef1e70fd5/FLAG7db1df17f [2024-11-24 01:53:53,444 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:53:53,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:53,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/04bddc5cc/3a89c7a5c6d148c88e54fbdef1e70fd5/FLAG7db1df17f [2024-11-24 01:53:53,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/data/04bddc5cc/3a89c7a5c6d148c88e54fbdef1e70fd5 [2024-11-24 01:53:53,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:53:53,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:53:53,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:53:53,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:53:53,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:53:53,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:53,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a9864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53, skipping insertion in model container [2024-11-24 01:53:53,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:53,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:53:53,749 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2024-11-24 01:53:53,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:53:53,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:53:53,896 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_d6b7c98f-341c-412c-90db-a8e427ad9e37/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-9.i[916,929] [2024-11-24 01:53:53,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:53:53,959 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:53:53,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53 WrapperNode [2024-11-24 01:53:53,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:53:53,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:53:53,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:53:53,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:53:53,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:53,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,042 INFO L138 Inliner]: procedures = 36, calls = 103, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2024-11-24 01:53:54,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:53:54,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:53:54,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:53:54,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:53:54,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,081 INFO L175 MemorySlicer]: Split 86 memory accesses to 2 slices as follows [2, 84]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 13 writes are split as follows [0, 13]. [2024-11-24 01:53:54,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:53:54,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:53:54,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:53:54,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:53:54,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (1/1) ... [2024-11-24 01:53:54,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:53:54,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:53:54,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:53:54,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-24 01:53:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 01:53:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 01:53:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 01:53:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 01:53:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 01:53:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 01:53:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 01:53:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 01:53:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:53:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:53:54,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:53:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 01:53:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 01:53:54,400 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:53:54,402 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:53:55,206 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-24 01:53:55,207 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:53:55,223 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:53:55,223 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:53:55,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:53:55 BoogieIcfgContainer [2024-11-24 01:53:55,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:53:55,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:53:55,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:53:55,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:53:55,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:53:53" (1/3) ... [2024-11-24 01:53:55,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fe63fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:53:55, skipping insertion in model container [2024-11-24 01:53:55,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:53:53" (2/3) ... [2024-11-24 01:53:55,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fe63fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:53:55, skipping insertion in model container [2024-11-24 01:53:55,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:53:55" (3/3) ... [2024-11-24 01:53:55,237 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-9.i [2024-11-24 01:53:55,251 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:53:55,253 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-9.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:53:55,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:53:55,333 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;@b7aaedb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:53:55,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:53:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:53:55,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:55,349 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:55,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:55,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:55,356 INFO L85 PathProgramCache]: Analyzing trace with hash -562539789, now seen corresponding path program 1 times [2024-11-24 01:53:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:53:55,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890832889] [2024-11-24 01:53:55,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:55,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:55,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:53:55,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:53:55,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:53:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:55,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:53:55,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-24 01:53:55,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:55,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:53:55,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890832889] [2024-11-24 01:53:55,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1890832889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:55,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:55,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:53:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531403190] [2024-11-24 01:53:55,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:55,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:53:55,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:53:55,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:53:55,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:53:55,883 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.435483870967742) internal successors, (89), 63 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:55,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:55,923 INFO L93 Difference]: Finished difference Result 133 states and 197 transitions. [2024-11-24 01:53:55,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:53:55,926 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-24 01:53:55,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:55,935 INFO L225 Difference]: With dead ends: 133 [2024-11-24 01:53:55,935 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 01:53:55,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:53:55,945 INFO L435 NwaCegarLoop]: 92 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, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:55,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:53:55,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 01:53:55,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 01:53:55,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 59 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 92 transitions. [2024-11-24 01:53:56,007 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 92 transitions. Word has length 60 [2024-11-24 01:53:56,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:56,009 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 92 transitions. [2024-11-24 01:53:56,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2024-11-24 01:53:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:53:56,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:56,013 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:56,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 01:53:56,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:56,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:56,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:56,215 INFO L85 PathProgramCache]: Analyzing trace with hash -830046663, now seen corresponding path program 1 times [2024-11-24 01:53:56,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:53:56,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853752383] [2024-11-24 01:53:56,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:56,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:56,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:53:56,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:53:56,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:53:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:56,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:53:56,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:56,681 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:56,681 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:53:56,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853752383] [2024-11-24 01:53:56,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853752383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:56,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:56,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:53:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81848056] [2024-11-24 01:53:56,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:56,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:53:56,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:53:56,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:53:56,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:53:56,688 INFO L87 Difference]: Start difference. First operand 66 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:56,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:56,765 INFO L93 Difference]: Finished difference Result 132 states and 185 transitions. [2024-11-24 01:53:56,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:53:56,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-24 01:53:56,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:56,768 INFO L225 Difference]: With dead ends: 132 [2024-11-24 01:53:56,768 INFO L226 Difference]: Without dead ends: 69 [2024-11-24 01:53:56,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:53:56,771 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:56,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:53:56,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-24 01:53:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-24 01:53:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-24 01:53:56,790 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 60 [2024-11-24 01:53:56,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:56,793 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-24 01:53:56,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-24 01:53:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:53:56,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:56,797 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:56,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:53:57,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:57,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:57,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -128982085, now seen corresponding path program 1 times [2024-11-24 01:53:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:53:57,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690606617] [2024-11-24 01:53:57,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:57,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:57,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:53:57,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:53:57,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:53:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:57,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:53:57,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:57,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:57,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:53:57,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690606617] [2024-11-24 01:53:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690606617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:53:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375822589] [2024-11-24 01:53:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:57,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:53:57,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:53:57,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:53:57,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:53:57,452 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:57,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:57,521 INFO L93 Difference]: Finished difference Result 136 states and 189 transitions. [2024-11-24 01:53:57,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:53:57,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-24 01:53:57,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:57,523 INFO L225 Difference]: With dead ends: 136 [2024-11-24 01:53:57,523 INFO L226 Difference]: Without dead ends: 71 [2024-11-24 01:53:57,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:53:57,525 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:57,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 333 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:53:57,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-24 01:53:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-24 01:53:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2024-11-24 01:53:57,542 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 60 [2024-11-24 01:53:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:57,542 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2024-11-24 01:53:57,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2024-11-24 01:53:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:53:57,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:57,544 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:57,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 01:53:57,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:57,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:57,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:57,745 INFO L85 PathProgramCache]: Analyzing trace with hash 551076285, now seen corresponding path program 1 times [2024-11-24 01:53:57,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:53:57,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757887414] [2024-11-24 01:53:57,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:57,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:57,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:53:57,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:53:57,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 01:53:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:58,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:53:58,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:53:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:53:58,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:53:58,132 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:53:58,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757887414] [2024-11-24 01:53:58,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757887414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:58,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:58,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:53:58,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772261595] [2024-11-24 01:53:58,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:58,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:53:58,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:53:58,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:53:58,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:53:58,134 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:58,259 INFO L93 Difference]: Finished difference Result 142 states and 196 transitions. [2024-11-24 01:53:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:53:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-24 01:53:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:58,261 INFO L225 Difference]: With dead ends: 142 [2024-11-24 01:53:58,261 INFO L226 Difference]: Without dead ends: 75 [2024-11-24 01:53:58,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:53:58,262 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:58,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:53:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-24 01:53:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-24 01:53:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 67 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:53:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2024-11-24 01:53:58,271 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 60 [2024-11-24 01:53:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:58,271 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2024-11-24 01:53:58,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:53:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-24 01:53:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-24 01:53:58,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:58,273 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:58,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:53:58,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:58,474 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:53:58,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:58,475 INFO L85 PathProgramCache]: Analyzing trace with hash 552923327, now seen corresponding path program 1 times [2024-11-24 01:53:58,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:53:58,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590251368] [2024-11-24 01:53:58,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:58,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:53:58,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:53:58,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:53:58,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 01:53:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:58,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-24 01:53:58,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:54:00,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 01:54:01,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-24 01:54:03,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2024-11-24 01:54:09,664 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 45 treesize of output 53 [2024-11-24 01:54:09,916 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 56 treesize of output 56 [2024-11-24 01:54:10,231 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 56 treesize of output 56 [2024-11-24 01:54:10,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 28 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2024-11-24 01:54:10,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 87 [2024-11-24 01:54:10,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:54:10,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 110 treesize of output 58 [2024-11-24 01:54:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-24 01:54:11,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:54:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:54:11,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:54:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590251368] [2024-11-24 01:54:11,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590251368] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:54:11,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:54:11,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-24 01:54:11,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12452757] [2024-11-24 01:54:11,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:54:11,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:54:11,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:54:11,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:54:11,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=173, Unknown=1, NotChecked=0, Total=210 [2024-11-24 01:54:11,250 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:54:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:54:11,804 INFO L93 Difference]: Finished difference Result 149 states and 202 transitions. [2024-11-24 01:54:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:54:11,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2024-11-24 01:54:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:54:11,807 INFO L225 Difference]: With dead ends: 149 [2024-11-24 01:54:11,807 INFO L226 Difference]: Without dead ends: 78 [2024-11-24 01:54:11,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=44, Invalid=227, Unknown=1, NotChecked=0, Total=272 [2024-11-24 01:54:11,808 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 44 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:54:11,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 235 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:54:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-24 01:54:11,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-24 01:54:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:54:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2024-11-24 01:54:11,820 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 60 [2024-11-24 01:54:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:54:11,821 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2024-11-24 01:54:11,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:54:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2024-11-24 01:54:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:54:11,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:54:11,825 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:54:11,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 01:54:12,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:54:12,026 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:54:12,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:54:12,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1489190506, now seen corresponding path program 1 times [2024-11-24 01:54:12,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:54:12,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36424779] [2024-11-24 01:54:12,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:12,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:54:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:54:12,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:54:12,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-24 01:54:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:12,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-24 01:54:12,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:54:15,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-24 01:54:18,176 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 109 treesize of output 67 [2024-11-24 01:54:18,448 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 102 treesize of output 76 [2024-11-24 01:54:18,710 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 102 treesize of output 76 [2024-11-24 01:54:18,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 121 [2024-11-24 01:54:19,210 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 171 treesize of output 130 [2024-11-24 01:54:20,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:54:20,148 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 304 treesize of output 152 [2024-11-24 01:54:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:54:20,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:54:55,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:54:55,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36424779] [2024-11-24 01:54:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36424779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:54:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2105875621] [2024-11-24 01:54:55,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:54:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:54:55,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:54:55,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:54:55,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 01:54:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:54:56,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-24 01:54:56,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:01,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-24 01:55:05,464 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 117 treesize of output 71 [2024-11-24 01:55:05,999 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 110 treesize of output 80 [2024-11-24 01:55:06,454 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 110 treesize of output 80 [2024-11-24 01:55:06,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 125 [2024-11-24 01:55:07,662 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 100 treesize of output 91 [2024-11-24 01:55:09,795 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 206 treesize of output 86 [2024-11-24 01:55:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:55:09,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:55:34,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2105875621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:55:34,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:55:34,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-24 01:55:34,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394160894] [2024-11-24 01:55:34,915 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:55:34,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-24 01:55:34,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:55:34,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-24 01:55:34,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=737, Unknown=6, NotChecked=0, Total=870 [2024-11-24 01:55:34,918 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 24 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-24 01:55:52,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:52,008 INFO L93 Difference]: Finished difference Result 223 states and 298 transitions. [2024-11-24 01:55:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:55:52,011 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 62 [2024-11-24 01:55:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:52,012 INFO L225 Difference]: With dead ends: 223 [2024-11-24 01:55:52,013 INFO L226 Difference]: Without dead ends: 150 [2024-11-24 01:55:52,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 142 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 66.5s TimeCoverageRelationStatistics Valid=264, Invalid=1136, Unknown=6, NotChecked=0, Total=1406 [2024-11-24 01:55:52,015 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 467 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:52,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 568 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-24 01:55:52,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-24 01:55:52,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2024-11-24 01:55:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 134 states have internal predecessors, (176), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:55:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2024-11-24 01:55:52,051 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 62 [2024-11-24 01:55:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:52,051 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2024-11-24 01:55:52,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 23 states have internal predecessors, (78), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-24 01:55:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2024-11-24 01:55:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:55:52,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:52,053 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:55:52,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 01:55:52,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:55:52,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:55:52,454 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:55:52,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash -809132136, now seen corresponding path program 1 times [2024-11-24 01:55:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:55:52,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589358470] [2024-11-24 01:55:52,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:55:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:55:52,460 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:55:52,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 01:55:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:55:52,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 01:55:52,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:54,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 8 [2024-11-24 01:55:54,294 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 24 treesize of output 12 [2024-11-24 01:55:54,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-24 01:55:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:55:54,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:55:54,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:55:54,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589358470] [2024-11-24 01:55:54,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589358470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:55:54,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:55:54,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:55:54,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497549229] [2024-11-24 01:55:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:55:54,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:55:54,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:55:54,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:55:54,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:55:54,524 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:55:55,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:55,480 INFO L93 Difference]: Finished difference Result 293 states and 391 transitions. [2024-11-24 01:55:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:55:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:55:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:55,485 INFO L225 Difference]: With dead ends: 293 [2024-11-24 01:55:55,485 INFO L226 Difference]: Without dead ends: 149 [2024-11-24 01:55:55,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:55:55,487 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 112 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:55,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 209 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:55:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-24 01:55:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2024-11-24 01:55:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 133 states have (on average 1.3082706766917294) internal successors, (174), 134 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 01:55:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 194 transitions. [2024-11-24 01:55:55,523 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 194 transitions. Word has length 62 [2024-11-24 01:55:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:55,523 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 194 transitions. [2024-11-24 01:55:55,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:55:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 194 transitions. [2024-11-24 01:55:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:55:55,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:55,528 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:55:55,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-24 01:55:55,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:55:55,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:55:55,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash -108067558, now seen corresponding path program 1 times [2024-11-24 01:55:55,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:55:55,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738986322] [2024-11-24 01:55:55,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:55,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:55:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:55:55,731 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:55:55,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-24 01:55:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:55:56,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:55:56,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:55:56,696 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 [2024-11-24 01:56:00,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:56:00,504 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 28 treesize of output 23 [2024-11-24 01:56:00,759 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 48 treesize of output 42 [2024-11-24 01:56:01,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 69 [2024-11-24 01:56:01,502 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 78 treesize of output 81 [2024-11-24 01:56:02,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:56:02,149 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 119 treesize of output 71 [2024-11-24 01:56:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:56:02,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:56:02,336 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:56:02,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738986322] [2024-11-24 01:56:02,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738986322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:56:02,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:56:02,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:56:02,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759751604] [2024-11-24 01:56:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:56:02,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:56:02,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:56:02,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:56:02,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:56:02,338 INFO L87 Difference]: Start difference. First operand 147 states and 194 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:56:10,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:56:10,147 INFO L93 Difference]: Finished difference Result 734 states and 972 transitions. [2024-11-24 01:56:10,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 01:56:10,148 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:56:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:56:10,151 INFO L225 Difference]: With dead ends: 734 [2024-11-24 01:56:10,151 INFO L226 Difference]: Without dead ends: 590 [2024-11-24 01:56:10,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-11-24 01:56:10,152 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 675 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:56:10,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 558 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 01:56:10,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-24 01:56:10,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 435. [2024-11-24 01:56:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 395 states have (on average 1.2962025316455696) internal successors, (512), 398 states have internal predecessors, (512), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:56:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 572 transitions. [2024-11-24 01:56:10,263 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 572 transitions. Word has length 62 [2024-11-24 01:56:10,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:56:10,264 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 572 transitions. [2024-11-24 01:56:10,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:56:10,264 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 572 transitions. [2024-11-24 01:56:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:56:10,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:56:10,266 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:56:10,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-24 01:56:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:56:10,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:56:10,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:56:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 314634268, now seen corresponding path program 1 times [2024-11-24 01:56:10,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:56:10,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135213072] [2024-11-24 01:56:10,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:56:10,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:56:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:56:10,470 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:56:10,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 01:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:56:10,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-24 01:56:10,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:56:11,730 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 25 treesize of output 13 [2024-11-24 01:56:11,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 9 [2024-11-24 01:56:13,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:56:15,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-24 01:56:24,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-24 01:56:32,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2024-11-24 01:56:33,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 21 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 75 [2024-11-24 01:56:34,047 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 85 treesize of output 84 [2024-11-24 01:56:34,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:56:34,775 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 93 treesize of output 53 [2024-11-24 01:56:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:56:34,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:57:00,185 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:57:00,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135213072] [2024-11-24 01:57:00,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135213072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:57:00,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1140287863] [2024-11-24 01:57:00,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:57:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:57:00,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:57:00,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 01:57:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:01,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:57:01,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:57:06,357 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 [2024-11-24 01:57:15,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:57:19,957 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 28 treesize of output 23 [2024-11-24 01:57:37,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 72 [2024-11-24 01:57:46,116 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 86 treesize of output 81 [2024-11-24 01:57:51,700 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 95 treesize of output 55 [2024-11-24 01:57:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:57:51,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:57:51,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1140287863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:51,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:57:51,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-11-24 01:57:51,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908866561] [2024-11-24 01:57:51,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:51,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:57:51,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:57:51,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:57:51,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=532, Unknown=17, NotChecked=0, Total=650 [2024-11-24 01:57:51,876 INFO L87 Difference]: Start difference. First operand 435 states and 572 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:08,713 INFO L93 Difference]: Finished difference Result 1061 states and 1395 transitions. [2024-11-24 01:59:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:59:08,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 62 [2024-11-24 01:59:08,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:08,718 INFO L225 Difference]: With dead ends: 1061 [2024-11-24 01:59:08,719 INFO L226 Difference]: Without dead ends: 629 [2024-11-24 01:59:08,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 159.1s TimeCoverageRelationStatistics Valid=181, Invalid=714, Unknown=35, NotChecked=0, Total=930 [2024-11-24 01:59:08,721 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 339 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:08,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 314 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 01:59:08,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-24 01:59:08,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 429. [2024-11-24 01:59:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 389 states have (on average 1.2904884318766068) internal successors, (502), 392 states have internal predecessors, (502), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 562 transitions. [2024-11-24 01:59:08,804 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 562 transitions. Word has length 62 [2024-11-24 01:59:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:08,805 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 562 transitions. [2024-11-24 01:59:08,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 562 transitions. [2024-11-24 01:59:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-24 01:59:08,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:08,807 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:08,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-24 01:59:09,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 01:59:09,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:59:09,208 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:09,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:09,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1561577064, now seen corresponding path program 1 times [2024-11-24 01:59:09,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:09,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937242763] [2024-11-24 01:59:09,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:09,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:09,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:09,211 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:09,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-24 01:59:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:09,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:59:09,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 01:59:09,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:09,497 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:09,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937242763] [2024-11-24 01:59:09,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937242763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:09,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:09,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:59:09,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407153066] [2024-11-24 01:59:09,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:09,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:59:09,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:09,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:59:09,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:09,499 INFO L87 Difference]: Start difference. First operand 429 states and 562 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:59:09,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:09,686 INFO L93 Difference]: Finished difference Result 855 states and 1121 transitions. [2024-11-24 01:59:09,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:59:09,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-24 01:59:09,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:09,690 INFO L225 Difference]: With dead ends: 855 [2024-11-24 01:59:09,690 INFO L226 Difference]: Without dead ends: 429 [2024-11-24 01:59:09,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:59:09,691 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:09,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:59:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-24 01:59:09,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-24 01:59:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 389 states have (on average 1.2827763496143958) internal successors, (499), 392 states have internal predecessors, (499), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 559 transitions. [2024-11-24 01:59:09,763 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 559 transitions. Word has length 62 [2024-11-24 01:59:09,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:09,763 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 559 transitions. [2024-11-24 01:59:09,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:59:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 559 transitions. [2024-11-24 01:59:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:59:09,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:09,766 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:09,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-24 01:59:09,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:09,967 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:09,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:09,968 INFO L85 PathProgramCache]: Analyzing trace with hash 790882118, now seen corresponding path program 1 times [2024-11-24 01:59:09,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:09,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065046244] [2024-11-24 01:59:09,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:09,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:09,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:09,970 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:09,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-24 01:59:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:10,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-24 01:59:10,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:10,972 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 [2024-11-24 01:59:15,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-24 01:59:15,906 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 28 treesize of output 23 [2024-11-24 01:59:16,169 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 49 treesize of output 39 [2024-11-24 01:59:16,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 72 [2024-11-24 01:59:16,898 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 82 treesize of output 81 [2024-11-24 01:59:19,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:59:19,395 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 96 treesize of output 56 [2024-11-24 01:59:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:59:19,708 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:19,708 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065046244] [2024-11-24 01:59:19,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065046244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:19,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:19,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:59:19,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017786777] [2024-11-24 01:59:19,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:19,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:59:19,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:19,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:59:19,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:59:19,709 INFO L87 Difference]: Start difference. First operand 429 states and 559 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:31,743 INFO L93 Difference]: Finished difference Result 598 states and 776 transitions. [2024-11-24 01:59:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 01:59:31,744 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-24 01:59:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:31,747 INFO L225 Difference]: With dead ends: 598 [2024-11-24 01:59:31,747 INFO L226 Difference]: Without dead ends: 596 [2024-11-24 01:59:31,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:59:31,748 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 767 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:31,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 578 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-24 01:59:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-24 01:59:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 441. [2024-11-24 01:59:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 401 states have (on average 1.2743142144638404) internal successors, (511), 404 states have internal predecessors, (511), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 571 transitions. [2024-11-24 01:59:31,840 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 571 transitions. Word has length 64 [2024-11-24 01:59:31,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:31,841 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 571 transitions. [2024-11-24 01:59:31,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 571 transitions. [2024-11-24 01:59:31,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:59:31,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:31,843 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:31,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-24 01:59:32,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:32,044 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:32,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash 792729160, now seen corresponding path program 1 times [2024-11-24 01:59:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:32,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666221291] [2024-11-24 01:59:32,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:32,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:32,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:32,047 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:32,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-24 01:59:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:32,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-24 01:59:32,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:33,108 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 [2024-11-24 01:59:37,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 01:59:37,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-24 01:59:38,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-24 01:59:38,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 66 [2024-11-24 01:59:39,152 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 76 treesize of output 75 [2024-11-24 01:59:41,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:59:41,623 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 101 treesize of output 65 [2024-11-24 01:59:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:59:41,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:41,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:41,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666221291] [2024-11-24 01:59:41,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666221291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:41,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:41,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:59:41,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530002606] [2024-11-24 01:59:41,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:41,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 01:59:41,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:41,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 01:59:41,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:59:41,949 INFO L87 Difference]: Start difference. First operand 441 states and 571 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:53,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:53,914 INFO L93 Difference]: Finished difference Result 1046 states and 1355 transitions. [2024-11-24 01:59:53,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 01:59:53,915 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-24 01:59:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:53,918 INFO L225 Difference]: With dead ends: 1046 [2024-11-24 01:59:53,918 INFO L226 Difference]: Without dead ends: 608 [2024-11-24 01:59:53,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:59:53,920 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 532 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:53,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 618 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-24 01:59:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-24 01:59:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 453. [2024-11-24 01:59:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 413 states have (on average 1.2663438256658595) internal successors, (523), 416 states have internal predecessors, (523), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 583 transitions. [2024-11-24 01:59:54,020 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 583 transitions. Word has length 64 [2024-11-24 01:59:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:54,020 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 583 transitions. [2024-11-24 01:59:54,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 583 transitions. [2024-11-24 01:59:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:59:54,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:54,022 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:54,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-24 01:59:54,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:54,223 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:54,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:54,223 INFO L85 PathProgramCache]: Analyzing trace with hash 198670215, now seen corresponding path program 1 times [2024-11-24 01:59:54,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:54,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248934670] [2024-11-24 01:59:54,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:54,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:54,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:54,226 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:54,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 01:59:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:54,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:59:54,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:54,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 01:59:54,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 31 [2024-11-24 01:59:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:59:54,552 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:54,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:54,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248934670] [2024-11-24 01:59:54,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248934670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:54,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:54,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:59:54,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107052473] [2024-11-24 01:59:54,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:54,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:59:54,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:54,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:59:54,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:59:54,554 INFO L87 Difference]: Start difference. First operand 453 states and 583 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:54,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:54,759 INFO L93 Difference]: Finished difference Result 903 states and 1163 transitions. [2024-11-24 01:59:54,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:59:54,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-24 01:59:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:54,763 INFO L225 Difference]: With dead ends: 903 [2024-11-24 01:59:54,763 INFO L226 Difference]: Without dead ends: 453 [2024-11-24 01:59:54,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:59:54,765 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:54,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:59:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-24 01:59:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2024-11-24 01:59:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 413 states have (on average 1.25181598062954) internal successors, (517), 416 states have internal predecessors, (517), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 577 transitions. [2024-11-24 01:59:54,875 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 577 transitions. Word has length 64 [2024-11-24 01:59:54,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:54,875 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 577 transitions. [2024-11-24 01:59:54,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:54,876 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 577 transitions. [2024-11-24 01:59:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:59:54,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:54,877 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:54,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-24 01:59:55,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:55,078 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:55,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:55,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1795474491, now seen corresponding path program 1 times [2024-11-24 01:59:55,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:55,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222045548] [2024-11-24 01:59:55,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:55,083 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-24 01:59:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:55,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:59:55,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:59:56,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-24 01:59:56,609 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 18 treesize of output 10 [2024-11-24 01:59:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 01:59:56,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:59:56,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:59:56,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222045548] [2024-11-24 01:59:56,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222045548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:56,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:56,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:59:56,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2816369] [2024-11-24 01:59:56,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:56,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:59:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:59:56,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:59:56,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:59:56,684 INFO L87 Difference]: Start difference. First operand 453 states and 577 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:57,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 01:59:59,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:59,498 INFO L93 Difference]: Finished difference Result 1095 states and 1381 transitions. [2024-11-24 01:59:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:59:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-24 01:59:59,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:59,502 INFO L225 Difference]: With dead ends: 1095 [2024-11-24 01:59:59,502 INFO L226 Difference]: Without dead ends: 645 [2024-11-24 01:59:59,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:59:59,504 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 125 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:59,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 202 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-24 01:59:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-24 01:59:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 465. [2024-11-24 01:59:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 425 states have (on average 1.244705882352941) internal successors, (529), 428 states have internal predecessors, (529), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 01:59:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 589 transitions. [2024-11-24 01:59:59,621 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 589 transitions. Word has length 64 [2024-11-24 01:59:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:59,621 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 589 transitions. [2024-11-24 01:59:59,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 01:59:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 589 transitions. [2024-11-24 01:59:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 01:59:59,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:59,622 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:59,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-24 01:59:59,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:59,823 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:59:59,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash -464165963, now seen corresponding path program 1 times [2024-11-24 01:59:59,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:59:59,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230202188] [2024-11-24 01:59:59,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:59,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:59:59,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:59:59,826 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:59:59,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-24 02:00:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:00:00,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:00:00,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:00:00,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:00:00,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2024-11-24 02:00:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 02:00:00,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:00:00,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:00:00,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230202188] [2024-11-24 02:00:00,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230202188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:00:00,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:00:00,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:00:00,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289863685] [2024-11-24 02:00:00,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:00:00,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:00:00,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:00:00,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:00:00,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:00:00,798 INFO L87 Difference]: Start difference. First operand 465 states and 589 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:00:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:00:01,880 INFO L93 Difference]: Finished difference Result 1158 states and 1460 transitions. [2024-11-24 02:00:01,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:00:01,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-24 02:00:01,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:00:01,885 INFO L225 Difference]: With dead ends: 1158 [2024-11-24 02:00:01,885 INFO L226 Difference]: Without dead ends: 696 [2024-11-24 02:00:01,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:00:01,887 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 74 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:00:01,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 264 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:00:01,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-24 02:00:02,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 618. [2024-11-24 02:00:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 570 states have (on average 1.2543859649122806) internal successors, (715), 573 states have internal predecessors, (715), 36 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 02:00:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 787 transitions. [2024-11-24 02:00:02,027 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 787 transitions. Word has length 64 [2024-11-24 02:00:02,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:00:02,027 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 787 transitions. [2024-11-24 02:00:02,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:00:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 787 transitions. [2024-11-24 02:00:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 02:00:02,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:00:02,029 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:00:02,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-24 02:00:02,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:00:02,230 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:00:02,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:00:02,230 INFO L85 PathProgramCache]: Analyzing trace with hash 651977882, now seen corresponding path program 1 times [2024-11-24 02:00:02,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:00:02,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638004159] [2024-11-24 02:00:02,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:00:02,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:00:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:00:02,236 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:00:02,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-24 02:00:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:00:02,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 02:00:02,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:00:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 02:00:02,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:00:02,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:00:02,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638004159] [2024-11-24 02:00:02,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638004159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:00:02,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:00:02,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:00:02,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240876581] [2024-11-24 02:00:02,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:00:02,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:00:02,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:00:02,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:00:02,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:00:02,714 INFO L87 Difference]: Start difference. First operand 618 states and 787 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:00:03,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:00:03,140 INFO L93 Difference]: Finished difference Result 1165 states and 1482 transitions. [2024-11-24 02:00:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:00:03,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-24 02:00:03,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:00:03,143 INFO L225 Difference]: With dead ends: 1165 [2024-11-24 02:00:03,143 INFO L226 Difference]: Without dead ends: 632 [2024-11-24 02:00:03,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:00:03,145 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:00:03,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 395 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:00:03,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-24 02:00:03,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 618. [2024-11-24 02:00:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 570 states have (on average 1.2473684210526317) internal successors, (711), 573 states have internal predecessors, (711), 36 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 33 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-24 02:00:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 783 transitions. [2024-11-24 02:00:03,293 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 783 transitions. Word has length 64 [2024-11-24 02:00:03,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:00:03,294 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 783 transitions. [2024-11-24 02:00:03,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:00:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 783 transitions. [2024-11-24 02:00:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 02:00:03,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:00:03,297 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:00:03,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-24 02:00:03,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:00:03,502 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:00:03,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:00:03,502 INFO L85 PathProgramCache]: Analyzing trace with hash 377218268, now seen corresponding path program 1 times [2024-11-24 02:00:03,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:00:03,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67246547] [2024-11-24 02:00:03,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:00:03,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:00:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:00:03,506 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:00:03,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-24 02:00:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:00:03,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-24 02:00:03,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:00:09,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-24 02:00:13,646 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 99 treesize of output 61 [2024-11-24 02:00:14,112 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 110 treesize of output 64 [2024-11-24 02:00:14,491 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 110 treesize of output 64 [2024-11-24 02:00:14,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 109 [2024-11-24 02:00:15,278 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 179 treesize of output 118 [2024-11-24 02:00:16,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:00:16,783 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 321 treesize of output 137 [2024-11-24 02:00:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 02:00:17,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:00:58,229 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:00:58,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67246547] [2024-11-24 02:00:58,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67246547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:00:58,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1631945847] [2024-11-24 02:00:58,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:00:58,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 02:00:58,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 02:00:58,231 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 02:00:58,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 02:01:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:01:00,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-24 02:01:00,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:01:06,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-24 02:01:15,141 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 115 treesize of output 69 [2024-11-24 02:01:15,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-24 02:01:16,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-24 02:01:17,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 79 [2024-11-24 02:01:17,942 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 109 treesize of output 88 [2024-11-24 02:01:20,581 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 242 treesize of output 110 [2024-11-24 02:01:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 02:01:20,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:01:37,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1631945847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:01:37,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 02:01:37,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 31 [2024-11-24 02:01:37,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016841444] [2024-11-24 02:01:37,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 02:01:37,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-24 02:01:37,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:01:37,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-24 02:01:37,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=1260, Unknown=7, NotChecked=0, Total=1482 [2024-11-24 02:01:37,247 INFO L87 Difference]: Start difference. First operand 618 states and 783 transitions. Second operand has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 29 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-24 02:01:57,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:02,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:06,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:10,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:47,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:51,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:02:55,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:20,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:24,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:28,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:32,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:36,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:40,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:44,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:48,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:03:52,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:34,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:38,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:42,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:46,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:50,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:54,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:04:58,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:02,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:06,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:10,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:14,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:18,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:22,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:26,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:30,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:35,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:39,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:43,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:05:46,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:04,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:08,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:15,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:19,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:23,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:27,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:31,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:35,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:39,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:43,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:47,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:52,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:06:56,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:07:00,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:07:04,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:07:08,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:07:12,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-24 02:07:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:12,570 INFO L93 Difference]: Finished difference Result 1164 states and 1453 transitions. [2024-11-24 02:07:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 02:07:12,572 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 29 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2024-11-24 02:07:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:12,575 INFO L225 Difference]: With dead ends: 1164 [2024-11-24 02:07:12,575 INFO L226 Difference]: Without dead ends: 702 [2024-11-24 02:07:12,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 137 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1194 ImplicationChecksByTransitivity, 174.3s TimeCoverageRelationStatistics Valid=786, Invalid=3345, Unknown=29, NotChecked=0, Total=4160 [2024-11-24 02:07:12,578 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 793 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 246 mSolverCounterUnsat, 49 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 226.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 49 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 227.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:12,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 774 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 1460 Invalid, 49 Unknown, 0 Unchecked, 227.4s Time] [2024-11-24 02:07:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-24 02:07:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 342. [2024-11-24 02:07:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 313 states have (on average 1.2300319488817892) internal successors, (385), 313 states have internal predecessors, (385), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 02:07:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 425 transitions. [2024-11-24 02:07:12,690 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 425 transitions. Word has length 64 [2024-11-24 02:07:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:12,691 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 425 transitions. [2024-11-24 02:07:12,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 29 states have internal predecessors, (82), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-24 02:07:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 425 transitions. [2024-11-24 02:07:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 02:07:12,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:12,692 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:12,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-24 02:07:12,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-24 02:07:13,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 02:07:13,093 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:13,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:13,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1679163442, now seen corresponding path program 1 times [2024-11-24 02:07:13,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:13,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384970467] [2024-11-24 02:07:13,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:13,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:13,097 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:07:13,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-24 02:07:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:13,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:07:13,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:13,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:07:13,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 31 [2024-11-24 02:07:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 02:07:13,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:07:13,492 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384970467] [2024-11-24 02:07:13,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384970467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:13,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:13,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:07:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418681707] [2024-11-24 02:07:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:13,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:07:13,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:13,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:07:13,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:07:13,494 INFO L87 Difference]: Start difference. First operand 342 states and 425 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:13,713 INFO L93 Difference]: Finished difference Result 640 states and 796 transitions. [2024-11-24 02:07:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:07:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-11-24 02:07:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:13,716 INFO L225 Difference]: With dead ends: 640 [2024-11-24 02:07:13,717 INFO L226 Difference]: Without dead ends: 342 [2024-11-24 02:07:13,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:07:13,718 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:13,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:07:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-24 02:07:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-24 02:07:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 313 states have (on average 1.2140575079872205) internal successors, (380), 313 states have internal predecessors, (380), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 02:07:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 420 transitions. [2024-11-24 02:07:13,823 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 420 transitions. Word has length 67 [2024-11-24 02:07:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:13,824 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 420 transitions. [2024-11-24 02:07:13,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 420 transitions. [2024-11-24 02:07:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 02:07:13,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:13,825 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:13,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-24 02:07:14,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:14,026 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:14,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash 810365520, now seen corresponding path program 1 times [2024-11-24 02:07:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:14,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520393998] [2024-11-24 02:07:14,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:14,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:14,033 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:07:14,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-24 02:07:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:14,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-24 02:07:14,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:15,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-24 02:07:17,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-24 02:07:19,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-11-24 02:07:21,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-24 02:07:22,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-24 02:07:22,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-24 02:07:22,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2024-11-24 02:07:22,985 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 50 treesize of output 61 [2024-11-24 02:07:23,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:07:23,525 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 86 treesize of output 46 [2024-11-24 02:07:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-24 02:07:23,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 02:07:24,212 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:24,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520393998] [2024-11-24 02:07:24,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520393998] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:24,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:07:24,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2024-11-24 02:07:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392999254] [2024-11-24 02:07:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:24,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:07:24,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:24,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:07:24,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-24 02:07:24,214 INFO L87 Difference]: Start difference. First operand 342 states and 420 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:25,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:25,358 INFO L93 Difference]: Finished difference Result 607 states and 747 transitions. [2024-11-24 02:07:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:07:25,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2024-11-24 02:07:25,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:25,362 INFO L225 Difference]: With dead ends: 607 [2024-11-24 02:07:25,362 INFO L226 Difference]: Without dead ends: 357 [2024-11-24 02:07:25,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:07:25,364 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 41 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:25,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 293 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:07:25,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-24 02:07:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 347. [2024-11-24 02:07:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 318 states have (on average 1.2106918238993711) internal successors, (385), 318 states have internal predecessors, (385), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 02:07:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 425 transitions. [2024-11-24 02:07:25,471 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 425 transitions. Word has length 67 [2024-11-24 02:07:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:25,472 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 425 transitions. [2024-11-24 02:07:25,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 425 transitions. [2024-11-24 02:07:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-24 02:07:25,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:25,473 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:25,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-24 02:07:25,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:25,674 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:25,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1400090603, now seen corresponding path program 1 times [2024-11-24 02:07:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034124666] [2024-11-24 02:07:25,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:25,677 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:07:25,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-24 02:07:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:25,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 02:07:25,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:26,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:07:26,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 31 [2024-11-24 02:07:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 02:07:26,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:07:26,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:07:26,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034124666] [2024-11-24 02:07:26,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034124666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:07:26,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:07:26,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:07:26,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418484645] [2024-11-24 02:07:26,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:07:26,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:07:26,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:07:26,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:07:26,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:07:26,089 INFO L87 Difference]: Start difference. First operand 347 states and 425 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:26,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:07:26,711 INFO L93 Difference]: Finished difference Result 585 states and 715 transitions. [2024-11-24 02:07:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:07:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2024-11-24 02:07:26,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:07:26,714 INFO L225 Difference]: With dead ends: 585 [2024-11-24 02:07:26,714 INFO L226 Difference]: Without dead ends: 304 [2024-11-24 02:07:26,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:07:26,715 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:07:26,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 203 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:07:26,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-24 02:07:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-24 02:07:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 275 states have (on average 1.1890909090909092) internal successors, (327), 275 states have internal predecessors, (327), 20 states have call successors, (20), 8 states have call predecessors, (20), 8 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 02:07:26,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 367 transitions. [2024-11-24 02:07:26,821 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 367 transitions. Word has length 69 [2024-11-24 02:07:26,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:07:26,821 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 367 transitions. [2024-11-24 02:07:26,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 02:07:26,821 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 367 transitions. [2024-11-24 02:07:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 02:07:26,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:07:26,823 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:07:26,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-24 02:07:27,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:27,024 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:07:27,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:07:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1143891913, now seen corresponding path program 1 times [2024-11-24 02:07:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:07:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537718091] [2024-11-24 02:07:27,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:27,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:07:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:07:27,027 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:07:27,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b7c98f-341c-412c-90db-a8e427ad9e37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-24 02:07:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:27,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 02:07:27,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:27,707 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 21 treesize of output 9 [2024-11-24 02:07:37,116 INFO L349 Elim1Store]: treesize reduction 9, result has 86.2 percent of original size [2024-11-24 02:07:37,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 95 [2024-11-24 02:07:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 21 proven. 117 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-24 02:07:40,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:49,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 02:07:49,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 206