./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:07:19,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:07:19,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:07:19,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:07:19,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:07:19,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:07:19,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:07:19,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:07:19,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:07:19,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:07:19,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:07:19,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:07:19,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:07:19,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:07:19,269 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:07:19,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:07:19,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:07:19,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:07:19,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:07:19,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:07:19,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:07:19,272 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:19,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:19,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:19,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:07:19,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:07:19,273 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2024-11-24 01:07:19,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:07:19,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:07:19,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:07:19,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:07:19,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:07:19,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:22,699 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/644d74b00/38273ce1eca34a00bdcbc8602131fb98/FLAGb0bcc6770 [2024-11-24 01:07:22,995 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:07:22,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:23,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/644d74b00/38273ce1eca34a00bdcbc8602131fb98/FLAGb0bcc6770 [2024-11-24 01:07:23,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/644d74b00/38273ce1eca34a00bdcbc8602131fb98 [2024-11-24 01:07:23,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:07:23,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:07:23,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:23,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:07:23,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:07:23,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5620fc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23, skipping insertion in model container [2024-11-24 01:07:23,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:07:23,214 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-24 01:07:23,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:23,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:07:23,305 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-24 01:07:23,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:23,358 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:07:23,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23 WrapperNode [2024-11-24 01:07:23,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:23,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:23,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:07:23,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:07:23,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,415 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-24 01:07:23,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:23,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:07:23,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:07:23,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:07:23,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,462 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:07:23,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,470 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:07:23,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:07:23,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:07:23,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:07:23,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (1/1) ... [2024-11-24 01:07:23,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:23,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:07:23,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:07:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:07:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:07:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:07:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:07:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:07:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:07:23,652 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:07:23,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:07:24,061 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-24 01:07:24,061 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:07:24,072 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:07:24,072 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:07:24,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:24 BoogieIcfgContainer [2024-11-24 01:07:24,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:07:24,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:07:24,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:07:24,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:07:24,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:07:23" (1/3) ... [2024-11-24 01:07:24,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e40ceae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:24, skipping insertion in model container [2024-11-24 01:07:24,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:23" (2/3) ... [2024-11-24 01:07:24,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e40ceae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:24, skipping insertion in model container [2024-11-24 01:07:24,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:24" (3/3) ... [2024-11-24 01:07:24,083 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:24,100 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:07:24,101 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:07:24,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:07:24,192 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;@25058785, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:07:24,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:07:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:07:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:07:24,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:24,213 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:24,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:24,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2118675815, now seen corresponding path program 1 times [2024-11-24 01:07:24,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:24,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597616980] [2024-11-24 01:07:24,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 01:07:24,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:24,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597616980] [2024-11-24 01:07:24,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597616980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:24,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508363119] [2024-11-24 01:07:24,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:24,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:24,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:24,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:24,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:07:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:24,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:07:24,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 01:07:24,843 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:24,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508363119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:24,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:24,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:07:24,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521785277] [2024-11-24 01:07:24,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:24,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:07:24,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:24,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:07:24,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:07:24,879 INFO L87 Difference]: Start difference. First operand has 71 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:24,915 INFO L93 Difference]: Finished difference Result 135 states and 227 transitions. [2024-11-24 01:07:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:07:24,918 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2024-11-24 01:07:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:24,927 INFO L225 Difference]: With dead ends: 135 [2024-11-24 01:07:24,928 INFO L226 Difference]: Without dead ends: 67 [2024-11-24 01:07:24,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 01:07:24,938 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 01:07:24,939 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 01:07:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-24 01:07:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-24 01:07:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:07:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2024-11-24 01:07:24,995 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 130 [2024-11-24 01:07:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:24,997 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2024-11-24 01:07:24,997 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-24 01:07:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:07:25,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:25,001 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:25,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:07:25,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:25,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash 271940955, now seen corresponding path program 1 times [2024-11-24 01:07:25,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:25,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555975865] [2024-11-24 01:07:25,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:07:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:25,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555975865] [2024-11-24 01:07:25,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555975865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:25,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:07:25,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358026395] [2024-11-24 01:07:25,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:25,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:07:25,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:25,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:07:25,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:07:25,932 INFO L87 Difference]: Start difference. First operand 67 states and 100 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:26,134 INFO L93 Difference]: Finished difference Result 196 states and 295 transitions. [2024-11-24 01:07:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:07:26,135 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2024-11-24 01:07:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:26,137 INFO L225 Difference]: With dead ends: 196 [2024-11-24 01:07:26,137 INFO L226 Difference]: Without dead ends: 132 [2024-11-24 01:07:26,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:07:26,142 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 92 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:26,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 282 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:07:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-24 01:07:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 111. [2024-11-24 01:07:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:07:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 166 transitions. [2024-11-24 01:07:26,181 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 166 transitions. Word has length 130 [2024-11-24 01:07:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:26,182 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 166 transitions. [2024-11-24 01:07:26,182 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2024-11-24 01:07:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:07:26,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:26,186 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:26,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:07:26,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:26,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1665866199, now seen corresponding path program 1 times [2024-11-24 01:07:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:26,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670899336] [2024-11-24 01:07:26,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:07:26,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:26,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670899336] [2024-11-24 01:07:26,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670899336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:26,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:26,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:07:26,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367637138] [2024-11-24 01:07:26,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:26,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:07:26,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:26,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:07:26,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:07:26,531 INFO L87 Difference]: Start difference. First operand 111 states and 166 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:26,603 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2024-11-24 01:07:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:07:26,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2024-11-24 01:07:26,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:26,606 INFO L225 Difference]: With dead ends: 175 [2024-11-24 01:07:26,606 INFO L226 Difference]: Without dead ends: 111 [2024-11-24 01:07:26,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:07:26,610 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:26,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:07:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-24 01:07:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-24 01:07:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 70 states have internal predecessors, (89), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:07:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 165 transitions. [2024-11-24 01:07:26,638 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 165 transitions. Word has length 131 [2024-11-24 01:07:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:26,643 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 165 transitions. [2024-11-24 01:07:26,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2024-11-24 01:07:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:07:26,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:26,645 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:26,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:07:26,645 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:26,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:26,648 INFO L85 PathProgramCache]: Analyzing trace with hash -985807829, now seen corresponding path program 1 times [2024-11-24 01:07:26,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:26,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149558241] [2024-11-24 01:07:26,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:26,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 51 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2024-11-24 01:07:27,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:27,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149558241] [2024-11-24 01:07:27,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149558241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:27,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270623639] [2024-11-24 01:07:27,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:27,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:27,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:27,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:27,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:07:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:27,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 01:07:27,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:07:28,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-24 01:07:29,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270623639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:07:29,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:07:29,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-24 01:07:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389508115] [2024-11-24 01:07:29,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:29,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:07:29,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:29,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:07:29,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:07:29,048 INFO L87 Difference]: Start difference. First operand 111 states and 165 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 01:07:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:30,318 INFO L93 Difference]: Finished difference Result 358 states and 499 transitions. [2024-11-24 01:07:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-24 01:07:30,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 131 [2024-11-24 01:07:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:30,322 INFO L225 Difference]: With dead ends: 358 [2024-11-24 01:07:30,323 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 01:07:30,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2024-11-24 01:07:30,329 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 275 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:30,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 509 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:07:30,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 01:07:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 196. [2024-11-24 01:07:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 129 states have (on average 1.248062015503876) internal successors, (161), 129 states have internal predecessors, (161), 57 states have call successors, (57), 9 states have call predecessors, (57), 9 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 01:07:30,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 275 transitions. [2024-11-24 01:07:30,390 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 275 transitions. Word has length 131 [2024-11-24 01:07:30,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:30,390 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 275 transitions. [2024-11-24 01:07:30,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 01:07:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 275 transitions. [2024-11-24 01:07:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:07:30,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:30,396 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:30,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:07:30,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:30,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:30,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:30,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1996925079, now seen corresponding path program 1 times [2024-11-24 01:07:30,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:30,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313938843] [2024-11-24 01:07:30,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:07:30,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344025615] [2024-11-24 01:07:30,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:30,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:30,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:30,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:30,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:07:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:30,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:07:30,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-24 01:07:31,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:32,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:32,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313938843] [2024-11-24 01:07:32,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:07:32,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344025615] [2024-11-24 01:07:32,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344025615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:32,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:32,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-24 01:07:32,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221346425] [2024-11-24 01:07:32,351 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:32,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:07:32,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:32,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:07:32,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:07:32,353 INFO L87 Difference]: Start difference. First operand 196 states and 275 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:33,137 INFO L93 Difference]: Finished difference Result 611 states and 832 transitions. [2024-11-24 01:07:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:07:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-24 01:07:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:33,141 INFO L225 Difference]: With dead ends: 611 [2024-11-24 01:07:33,142 INFO L226 Difference]: Without dead ends: 470 [2024-11-24 01:07:33,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2024-11-24 01:07:33,144 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 146 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:33,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 645 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:07:33,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-24 01:07:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 392. [2024-11-24 01:07:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 272 states have (on average 1.2573529411764706) internal successors, (342), 274 states have internal predecessors, (342), 99 states have call successors, (99), 20 states have call predecessors, (99), 20 states have return successors, (99), 97 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-24 01:07:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 540 transitions. [2024-11-24 01:07:33,212 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 540 transitions. Word has length 131 [2024-11-24 01:07:33,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:33,213 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 540 transitions. [2024-11-24 01:07:33,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 540 transitions. [2024-11-24 01:07:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:07:33,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:33,215 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:33,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:07:33,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:33,419 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:33,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1711236203, now seen corresponding path program 1 times [2024-11-24 01:07:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:33,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525505299] [2024-11-24 01:07:33,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:33,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:07:33,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959132207] [2024-11-24 01:07:33,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:33,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:33,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:33,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:33,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:07:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:33,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 01:07:33,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-24 01:07:35,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:35,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525505299] [2024-11-24 01:07:35,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:07:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959132207] [2024-11-24 01:07:35,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959132207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:35,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:35,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-24 01:07:35,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010564039] [2024-11-24 01:07:35,968 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:35,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:07:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:35,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:07:35,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:07:35,970 INFO L87 Difference]: Start difference. First operand 392 states and 540 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:37,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:37,057 INFO L93 Difference]: Finished difference Result 783 states and 1079 transitions. [2024-11-24 01:07:37,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:07:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-24 01:07:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:37,063 INFO L225 Difference]: With dead ends: 783 [2024-11-24 01:07:37,064 INFO L226 Difference]: Without dead ends: 642 [2024-11-24 01:07:37,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-11-24 01:07:37,066 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 116 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:37,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 717 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:07:37,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-24 01:07:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 539. [2024-11-24 01:07:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 373 states have (on average 1.257372654155496) internal successors, (469), 375 states have internal predecessors, (469), 137 states have call successors, (137), 28 states have call predecessors, (137), 28 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-24 01:07:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 743 transitions. [2024-11-24 01:07:37,159 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 743 transitions. Word has length 131 [2024-11-24 01:07:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:37,160 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 743 transitions. [2024-11-24 01:07:37,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 743 transitions. [2024-11-24 01:07:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:07:37,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:37,162 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:37,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:07:37,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:37,363 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:37,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:37,363 INFO L85 PathProgramCache]: Analyzing trace with hash 835544692, now seen corresponding path program 1 times [2024-11-24 01:07:37,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:37,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541719484] [2024-11-24 01:07:37,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:07:37,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1333575768] [2024-11-24 01:07:37,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:37,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:37,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:37,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:37,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 01:07:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:07:37,574 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:07:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:07:37,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:07:37,746 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:07:37,747 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:07:37,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 01:07:37,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:37,953 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:38,093 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:07:38,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:07:38 BoogieIcfgContainer [2024-11-24 01:07:38,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:07:38,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:07:38,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:07:38,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:07:38,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:24" (3/4) ... [2024-11-24 01:07:38,101 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:07:38,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:07:38,103 INFO L158 Benchmark]: Toolchain (without parser) took 15079.62ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.7MB in the beginning and 124.7MB in the end (delta: -32.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-24 01:07:38,105 INFO L158 Benchmark]: CDTParser took 0.57ms. 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 01:07:38,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.03ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:07:38,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:07:38,106 INFO L158 Benchmark]: Boogie Preprocessor took 65.97ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:07:38,107 INFO L158 Benchmark]: RCFGBuilder took 589.65ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 47.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:07:38,107 INFO L158 Benchmark]: TraceAbstraction took 14021.59ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 47.0MB in the beginning and 124.8MB in the end (delta: -77.8MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2024-11-24 01:07:38,107 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 124.7MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:07:38,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.03ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.97ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 589.65ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 47.7MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14021.59ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 47.0MB in the beginning and 124.8MB in the end (delta: -77.8MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 176.2MB. Free memory was 124.8MB in the beginning and 124.7MB 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 someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 138, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 30. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed char var_1_5 = -8; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 128; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] signed short int var_1_13 = 200; [L30] float var_1_14 = -0.8; [L31] float var_1_15 = 127.25; [L32] float var_1_16 = 3.5; [L33] unsigned short int var_1_17 = 16; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 0; [L37] unsigned char var_1_22 = 0; [L38] signed long int var_1_23 = -10; [L39] signed long int var_1_24 = 32; [L40] float var_1_25 = 1000000.8; [L41] float var_1_26 = 7.4; [L42] signed long int var_1_27 = 128; [L43] float var_1_28 = 9.75; [L44] signed long int var_1_29 = 10; [L45] signed short int last_1_var_1_1 = 16; [L46] unsigned char last_1_var_1_6 = 10; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed short int last_1_var_1_13 = 200; VAL [isInitial=0, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L154] isInitial = 1 [L155] FCALL initially() [L157] CALL updateLastVariables() [L144] last_1_var_1_1 = var_1_1 [L145] last_1_var_1_6 = var_1_6 [L146] last_1_var_1_8 = var_1_8 [L147] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1] [L157] RET updateLastVariables() [L158] CALL updateVariables() [L112] var_1_5 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L113] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L114] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=128, var_1_8=1] [L115] var_1_7 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L116] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L117] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L128] var_1_20 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L129] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L130] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L131] var_1_22 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L132] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L133] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=32, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L134] var_1_24 = __VERIFIER_nondet_long() [L135] CALL assume_abort_if_not(var_1_24 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L135] RET assume_abort_if_not(var_1_24 >= -2147483647) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L136] CALL assume_abort_if_not(var_1_24 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L136] RET assume_abort_if_not(var_1_24 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_26=37/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L137] var_1_26 = __VERIFIER_nondet_float() [L138] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L138] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=10, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L139] var_1_29 = __VERIFIER_nondet_long() [L140] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L140] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L141] CALL assume_abort_if_not(var_1_29 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L141] RET assume_abort_if_not(var_1_29 <= 32) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-10, var_1_24=0, var_1_25=5000004/5, var_1_27=128, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L158] RET updateVariables() [L159] CALL step() [L52] var_1_21 = var_1_22 [L53] var_1_23 = var_1_24 [L54] var_1_25 = var_1_26 [L55] var_1_27 = -32 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] EXPR var_1_24 & 100 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] EXPR var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=39/4, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L56] COND TRUE (var_1_24 & 100) <= (var_1_23 >> ((((var_1_29) > (5)) ? (var_1_29) : (5)))) [L57] var_1_28 = var_1_26 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L59] signed long int stepLocal_6 = last_1_var_1_1; [L60] unsigned char stepLocal_5 = ((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_5=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L61] COND TRUE stepLocal_5 || last_1_var_1_8 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_6=16, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L62] COND FALSE !(stepLocal_6 <= last_1_var_1_6) [L65] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L70] COND FALSE !(var_1_14 <= var_1_15) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=10, var_1_7=456, var_1_8=1] [L73] COND TRUE var_1_5 >= -2 [L74] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L76] unsigned char stepLocal_4 = var_1_6; [L77] signed long int stepLocal_3 = var_1_6 / var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_3=0, stepLocal_4=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L78] COND TRUE last_1_var_1_13 >= stepLocal_3 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_4=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L79] COND TRUE stepLocal_4 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5))) [L80] var_1_13 = var_1_7 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L87] unsigned char stepLocal_7 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_7=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L88] COND FALSE !(stepLocal_7 > var_1_6) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L91] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L92] COND TRUE \read(var_1_19) [L93] var_1_1 = ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L99] unsigned char stepLocal_2 = var_1_19 && var_1_19; [L100] unsigned char stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, stepLocal_1=456, stepLocal_2=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=1] [L101] COND FALSE !((49.5f <= var_1_14) && stepLocal_2) [L108] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, stepLocal_0=100, stepLocal_1=456, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return ((((((var_1_19 ? (var_1_1 == ((signed short int) ((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_6) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_14) && (var_1_19 && var_1_19)) ? ((var_1_13 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_19 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((last_1_var_1_13 >= (var_1_6 / var_1_7)) ? ((var_1_6 != ((((((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) > (var_1_5)) ? (((((var_1_6) > (last_1_var_1_13)) ? (var_1_6) : (last_1_var_1_13)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) last_1_var_1_13))) : (var_1_13 == ((signed short int) var_1_6)))) && (((((((last_1_var_1_1) < (8)) ? (last_1_var_1_1) : (8))) <= var_1_5) || last_1_var_1_8) ? ((last_1_var_1_1 <= last_1_var_1_6) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_6 > var_1_6) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_13 + var_1_6))) ? (25) : ((var_1_13 + var_1_6)))))) : 1)) && ((var_1_14 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=200, last_1_var_1_1=16, last_1_var_1_6=10, last_1_var_1_8=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_14=3, var_1_16=3, var_1_17=16, var_1_19=1, var_1_1=100, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=-32, var_1_28=2, var_1_29=1, var_1_5=8, var_1_6=100, var_1_7=456, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 650 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 629 mSDsluCounter, 2437 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1801 mSDsCounter, 269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1306 IncrementalHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 269 mSolverCounterUnsat, 636 mSDtfsCounter, 1306 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 854 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=539occurred in iteration=6, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1571 NumberOfCodeBlocks, 1571 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1167 ConstructedInterpolants, 2 QuantifiedInterpolants, 5317 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 5868/6156 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 01:07:38,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:07:40,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:07:40,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:07:40,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:07:40,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:07:40,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:07:40,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:07:40,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:07:40,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:07:40,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:07:40,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:07:40,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:07:40,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:07:40,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:07:40,896 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:07:40,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:07:40,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:07:40,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:07:40,899 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:07:40,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:40,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:40,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:40,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:40,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:40,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:07:40,901 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:07:40,902 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:07:40,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:07:40,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:07:40,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:07:40,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:07:40,903 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 -> d9e59086f90a4b77881e2a736ae7adfe917141d6ec019c4e22eac9e57a2e90b4 [2024-11-24 01:07:41,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:07:41,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:07:41,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:07:41,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:07:41,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:07:41,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:44,239 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/7adec4537/0fc4b38ca9ae480197c5e016a9ec0d27/FLAG7536b10dd [2024-11-24 01:07:44,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:07:44,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:44,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/7adec4537/0fc4b38ca9ae480197c5e016a9ec0d27/FLAG7536b10dd [2024-11-24 01:07:44,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/data/7adec4537/0fc4b38ca9ae480197c5e016a9ec0d27 [2024-11-24 01:07:44,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:07:44,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:07:44,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:44,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:07:44,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:07:44,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:44" (1/1) ... [2024-11-24 01:07:44,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ebd401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:44, skipping insertion in model container [2024-11-24 01:07:44,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:44" (1/1) ... [2024-11-24 01:07:44,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:07:45,007 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-24 01:07:45,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:45,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:07:45,093 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_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-42.i[915,928] [2024-11-24 01:07:45,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:45,145 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:07:45,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45 WrapperNode [2024-11-24 01:07:45,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:45,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:45,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:07:45,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:07:45,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,189 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-11-24 01:07:45,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:45,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:07:45,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:07:45,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:07:45,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,214 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:07:45,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:07:45,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:07:45,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:07:45,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:07:45,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (1/1) ... [2024-11-24 01:07:45,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:45,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:45,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:07:45,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:07:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:07:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:07:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:07:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:07:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:07:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:07:45,426 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:07:45,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:07:45,968 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-24 01:07:45,968 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:07:45,977 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:07:45,978 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:07:45,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:45 BoogieIcfgContainer [2024-11-24 01:07:45,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:07:45,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:07:45,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:07:45,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:07:45,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:07:44" (1/3) ... [2024-11-24 01:07:45,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fc6228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:45, skipping insertion in model container [2024-11-24 01:07:45,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:45" (2/3) ... [2024-11-24 01:07:45,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fc6228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:45, skipping insertion in model container [2024-11-24 01:07:45,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:45" (3/3) ... [2024-11-24 01:07:45,990 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i [2024-11-24 01:07:46,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:07:46,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-42.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:07:46,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:07:46,072 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;@1d778937, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:07:46,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:07:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:07:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:07:46,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:46,090 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:46,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:46,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:46,095 INFO L85 PathProgramCache]: Analyzing trace with hash -275776191, now seen corresponding path program 1 times [2024-11-24 01:07:46,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:46,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008406324] [2024-11-24 01:07:46,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:46,108 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 01:07:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:46,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:46,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:46,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:07:46,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-24 01:07:46,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:46,584 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:46,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008406324] [2024-11-24 01:07:46,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008406324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:46,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:46,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:07:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257904809] [2024-11-24 01:07:46,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:46,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:07:46,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:46,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:07:46,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:07:46,619 INFO L87 Difference]: Start difference. First operand has 66 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:46,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:46,642 INFO L93 Difference]: Finished difference Result 125 states and 211 transitions. [2024-11-24 01:07:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:07:46,644 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2024-11-24 01:07:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:46,650 INFO L225 Difference]: With dead ends: 125 [2024-11-24 01:07:46,650 INFO L226 Difference]: Without dead ends: 62 [2024-11-24 01:07:46,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 01:07:46,657 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 01:07:46,657 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 01:07:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-24 01:07:46,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-24 01:07:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:07:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 92 transitions. [2024-11-24 01:07:46,717 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 92 transitions. Word has length 128 [2024-11-24 01:07:46,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:46,718 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 92 transitions. [2024-11-24 01:07:46,719 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), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:07:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 92 transitions. [2024-11-24 01:07:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:07:46,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:46,725 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:46,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:46,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:46,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:46,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:46,931 INFO L85 PathProgramCache]: Analyzing trace with hash -827477885, now seen corresponding path program 1 times [2024-11-24 01:07:46,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:46,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528550256] [2024-11-24 01:07:46,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:46,932 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 01:07:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:46,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:46,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:47,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:07:47,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:07:47,862 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:47,863 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:47,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528550256] [2024-11-24 01:07:47,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528550256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:47,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:47,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:07:47,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554595097] [2024-11-24 01:07:47,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:47,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:07:47,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:47,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:07:47,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:07:47,873 INFO L87 Difference]: Start difference. First operand 62 states and 92 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:48,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:48,388 INFO L93 Difference]: Finished difference Result 181 states and 271 transitions. [2024-11-24 01:07:48,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:07:48,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 128 [2024-11-24 01:07:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:48,396 INFO L225 Difference]: With dead ends: 181 [2024-11-24 01:07:48,396 INFO L226 Difference]: Without dead ends: 122 [2024-11-24 01:07:48,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:07:48,398 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 75 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:48,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 258 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:07:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-24 01:07:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 101. [2024-11-24 01:07:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 60 states have internal predecessors, (74), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:07:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2024-11-24 01:07:48,445 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 128 [2024-11-24 01:07:48,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:48,446 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2024-11-24 01:07:48,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2024-11-24 01:07:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:07:48,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:48,450 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:48,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:48,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:48,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:48,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:48,651 INFO L85 PathProgramCache]: Analyzing trace with hash 964837168, now seen corresponding path program 1 times [2024-11-24 01:07:48,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:48,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094740139] [2024-11-24 01:07:48,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:48,652 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 01:07:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:48,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:48,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:48,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:07:48,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:07:50,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:50,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:50,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094740139] [2024-11-24 01:07:50,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1094740139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:50,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:50,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:07:50,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265873852] [2024-11-24 01:07:50,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:50,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:07:50,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:50,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:07:50,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:07:50,062 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:51,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:51,191 INFO L93 Difference]: Finished difference Result 263 states and 395 transitions. [2024-11-24 01:07:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:07:51,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-24 01:07:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:51,205 INFO L225 Difference]: With dead ends: 263 [2024-11-24 01:07:51,205 INFO L226 Difference]: Without dead ends: 204 [2024-11-24 01:07:51,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:07:51,206 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 105 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:51,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 363 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 01:07:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-24 01:07:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 158. [2024-11-24 01:07:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 97 states have (on average 1.268041237113402) internal successors, (123), 97 states have internal predecessors, (123), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-24 01:07:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 237 transitions. [2024-11-24 01:07:51,267 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 237 transitions. Word has length 129 [2024-11-24 01:07:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:51,269 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 237 transitions. [2024-11-24 01:07:51,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:07:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2024-11-24 01:07:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:07:51,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:51,276 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:51,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:51,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:51,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:51,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:51,478 INFO L85 PathProgramCache]: Analyzing trace with hash -315026510, now seen corresponding path program 1 times [2024-11-24 01:07:51,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:51,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354261920] [2024-11-24 01:07:51,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:51,479 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 01:07:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:51,481 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:51,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:07:51,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 443 proven. 51 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-24 01:07:52,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 54 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-24 01:07:53,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:53,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354261920] [2024-11-24 01:07:53,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354261920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:07:53,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:07:53,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2024-11-24 01:07:53,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512312452] [2024-11-24 01:07:53,293 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:53,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:07:53,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:53,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:07:53,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:07:53,298 INFO L87 Difference]: Start difference. First operand 158 states and 237 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:07:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:55,226 INFO L93 Difference]: Finished difference Result 341 states and 477 transitions. [2024-11-24 01:07:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-24 01:07:55,227 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 129 [2024-11-24 01:07:55,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:55,230 INFO L225 Difference]: With dead ends: 341 [2024-11-24 01:07:55,230 INFO L226 Difference]: Without dead ends: 282 [2024-11-24 01:07:55,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2024-11-24 01:07:55,236 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 114 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:55,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 413 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:07:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-24 01:07:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 256. [2024-11-24 01:07:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 167 states have (on average 1.251497005988024) internal successors, (209), 167 states have internal predecessors, (209), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-24 01:07:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 361 transitions. [2024-11-24 01:07:55,295 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 361 transitions. Word has length 129 [2024-11-24 01:07:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:55,296 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 361 transitions. [2024-11-24 01:07:55,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 3 states have call successors, (30), 3 states have call predecessors, (30), 7 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:07:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 361 transitions. [2024-11-24 01:07:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:07:55,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:55,300 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:55,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:55,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:55,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:55,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:55,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1326143760, now seen corresponding path program 1 times [2024-11-24 01:07:55,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:55,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847465567] [2024-11-24 01:07:55,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:55,506 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 01:07:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:55,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:55,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:07:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:55,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:07:55,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-24 01:07:56,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:57,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:57,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847465567] [2024-11-24 01:07:57,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847465567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:57,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2141542422] [2024-11-24 01:07:57,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:57,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:07:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:07:57,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:07:57,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 01:07:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:57,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:07:57,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:07:58,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:58,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2141542422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:58,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:58,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-11-24 01:07:58,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56695492] [2024-11-24 01:07:58,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:58,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:07:58,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:58,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:07:58,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:07:58,667 INFO L87 Difference]: Start difference. First operand 256 states and 361 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:08:00,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:00,817 INFO L93 Difference]: Finished difference Result 703 states and 985 transitions. [2024-11-24 01:08:00,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:08:00,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-24 01:08:00,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:00,825 INFO L225 Difference]: With dead ends: 703 [2024-11-24 01:08:00,825 INFO L226 Difference]: Without dead ends: 572 [2024-11-24 01:08:00,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:08:00,827 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 127 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:00,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 414 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 01:08:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-24 01:08:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 499. [2024-11-24 01:08:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 338 states have (on average 1.2692307692307692) internal successors, (429), 340 states have internal predecessors, (429), 137 states have call successors, (137), 23 states have call predecessors, (137), 23 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-24 01:08:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 703 transitions. [2024-11-24 01:08:00,915 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 703 transitions. Word has length 129 [2024-11-24 01:08:00,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:00,916 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 703 transitions. [2024-11-24 01:08:00,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:08:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 703 transitions. [2024-11-24 01:08:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:08:00,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:00,918 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:00,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 01:08:01,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:08:01,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:08:01,319 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:01,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:01,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1912949774, now seen corresponding path program 1 times [2024-11-24 01:08:01,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:08:01,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969321866] [2024-11-24 01:08:01,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:01,321 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 01:08:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:08:01,324 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:08:01,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 (8)] Waiting until timeout for monitored process [2024-11-24 01:08:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:01,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:08:01,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:08:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-24 01:08:02,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:08:02,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:08:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969321866] [2024-11-24 01:08:02,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969321866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:08:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [419504249] [2024-11-24 01:08:02,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:02,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:08:02,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:08:02,850 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:08:02,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 01:08:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:03,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:08:03,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:08:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:08:04,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:08:04,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [419504249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:08:04,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:08:04,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-24 01:08:04,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750037482] [2024-11-24 01:08:04,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:08:04,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:08:04,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:08:04,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:08:04,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:08:04,525 INFO L87 Difference]: Start difference. First operand 499 states and 703 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:08:06,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:08:06,141 INFO L93 Difference]: Finished difference Result 870 states and 1227 transitions. [2024-11-24 01:08:06,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:08:06,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2024-11-24 01:08:06,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:08:06,147 INFO L225 Difference]: With dead ends: 870 [2024-11-24 01:08:06,147 INFO L226 Difference]: Without dead ends: 670 [2024-11-24 01:08:06,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:08:06,149 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 76 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:08:06,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 350 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 01:08:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-24 01:08:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 628. [2024-11-24 01:08:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 423 states have (on average 1.2624113475177305) internal successors, (534), 425 states have internal predecessors, (534), 175 states have call successors, (175), 29 states have call predecessors, (175), 29 states have return successors, (175), 173 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-24 01:08:06,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 884 transitions. [2024-11-24 01:08:06,252 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 884 transitions. Word has length 129 [2024-11-24 01:08:06,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:08:06,252 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 884 transitions. [2024-11-24 01:08:06,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:08:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 884 transitions. [2024-11-24 01:08:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:08:06,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:08:06,255 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:06,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 (8)] Ended with exit code 0 [2024-11-24 01:08:06,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 01:08:06,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:08:06,656 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:08:06,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:08:06,657 INFO L85 PathProgramCache]: Analyzing trace with hash 154929082, now seen corresponding path program 1 times [2024-11-24 01:08:06,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:08:06,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814556994] [2024-11-24 01:08:06,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:08:06,657 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 01:08:06,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:08:06,659 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:08:06,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ae76cc0-d7f1-4b3f-97b8-c74477cae0d5/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 01:08:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:08:06,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 01:08:06,917 INFO L279 TraceCheckSpWp]: Computing forward predicates...