./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b879c59582ac4a49c0e2ecf86f8757548b6309c2a4170b8da4007bca733fddea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:41,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:41,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:49:41,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:41,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:41,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:41,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:41,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:41,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:41,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:41,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:41,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:41,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:41,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:41,651 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:41,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:41,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:41,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:41,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:41,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:41,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:41,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:41,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:41,655 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_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879c59582ac4a49c0e2ecf86f8757548b6309c2a4170b8da4007bca733fddea [2024-12-02 05:49:41,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:41,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:41,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:41,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:41,866 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:41,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:49:44,479 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/53590897e/57f0038a860748e1aa9f763595933d98/FLAG3fc4ce079 [2024-12-02 05:49:44,714 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:44,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:49:44,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/53590897e/57f0038a860748e1aa9f763595933d98/FLAG3fc4ce079 [2024-12-02 05:49:45,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/53590897e/57f0038a860748e1aa9f763595933d98 [2024-12-02 05:49:45,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:45,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:45,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:45,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:45,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:45,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a082920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:45,156 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_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i[919,932] [2024-12-02 05:49:45,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:45,227 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:45,235 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_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i[919,932] [2024-12-02 05:49:45,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:45,281 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:45,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45 WrapperNode [2024-12-02 05:49:45,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:45,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:45,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:45,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:45,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,320 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2024-12-02 05:49:45,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:45,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:45,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:45,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:45,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,347 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]. [2024-12-02 05:49:45,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:45,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:45,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:45,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:45,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (1/1) ... [2024-12-02 05:49:45,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:45,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:45,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:45,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:49:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:45,505 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:45,507 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:45,839 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:45,839 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:45,850 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:45,850 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:49:45,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45 BoogieIcfgContainer [2024-12-02 05:49:45,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:45,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:45,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:45,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:45,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:45" (1/3) ... [2024-12-02 05:49:45,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e629ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:45" (2/3) ... [2024-12-02 05:49:45,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e629ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:45, skipping insertion in model container [2024-12-02 05:49:45,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45" (3/3) ... [2024-12-02 05:49:45,860 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:49:45,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:45,878 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i that has 2 procedures, 88 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:45,936 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:45,948 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;@108ef0c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:45,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 62 states have internal predecessors, (92), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 05:49:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:49:45,964 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:45,965 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:45,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:45,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:45,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1318438774, now seen corresponding path program 1 times [2024-12-02 05:49:45,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:45,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908276435] [2024-12-02 05:49:45,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 05:49:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908276435] [2024-12-02 05:49:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908276435] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:46,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303149295] [2024-12-02 05:49:46,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:46,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:46,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:49:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:46,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:46,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 05:49:46,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:46,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303149295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:46,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:49:46,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:49:46,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457853655] [2024-12-02 05:49:46,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:46,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:46,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:46,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:46,483 INFO L87 Difference]: Start difference. First operand has 88 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 62 states have internal predecessors, (92), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:49:46,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:46,509 INFO L93 Difference]: Finished difference Result 169 states and 298 transitions. [2024-12-02 05:49:46,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2024-12-02 05:49:46,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:46,516 INFO L225 Difference]: With dead ends: 169 [2024-12-02 05:49:46,517 INFO L226 Difference]: Without dead ends: 84 [2024-12-02 05:49:46,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:46,522 INFO L435 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:46,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:46,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-12-02 05:49:46,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-12-02 05:49:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 05:49:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 131 transitions. [2024-12-02 05:49:46,560 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 131 transitions. Word has length 156 [2024-12-02 05:49:46,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:46,560 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 131 transitions. [2024-12-02 05:49:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:49:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2024-12-02 05:49:46,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 05:49:46,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:46,564 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:46,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:49:46,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:49:46,765 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:46,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:46,766 INFO L85 PathProgramCache]: Analyzing trace with hash 346370704, now seen corresponding path program 1 times [2024-12-02 05:49:46,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:46,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551356982] [2024-12-02 05:49:46,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:47,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:47,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551356982] [2024-12-02 05:49:47,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551356982] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:47,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:47,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:49:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132679735] [2024-12-02 05:49:47,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:47,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:49:47,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:47,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:49:47,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:47,395 INFO L87 Difference]: Start difference. First operand 84 states and 131 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:47,660 INFO L93 Difference]: Finished difference Result 247 states and 388 transitions. [2024-12-02 05:49:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:49:47,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 158 [2024-12-02 05:49:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:47,664 INFO L225 Difference]: With dead ends: 247 [2024-12-02 05:49:47,664 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 05:49:47,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:49:47,666 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 99 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:47,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 445 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:49:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 05:49:47,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 128. [2024-12-02 05:49:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 198 transitions. [2024-12-02 05:49:47,694 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 198 transitions. Word has length 158 [2024-12-02 05:49:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:47,695 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 198 transitions. [2024-12-02 05:49:47,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2024-12-02 05:49:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 05:49:47,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:47,698 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:47,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:49:47,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:47,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash -276203649, now seen corresponding path program 1 times [2024-12-02 05:49:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816516311] [2024-12-02 05:49:47,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:48,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:48,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816516311] [2024-12-02 05:49:48,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816516311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:48,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:48,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:49:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633715113] [2024-12-02 05:49:48,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:48,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:49:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:48,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:49:48,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:48,621 INFO L87 Difference]: Start difference. First operand 128 states and 198 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:48,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:48,727 INFO L93 Difference]: Finished difference Result 237 states and 368 transitions. [2024-12-02 05:49:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:49:48,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2024-12-02 05:49:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:48,731 INFO L225 Difference]: With dead ends: 237 [2024-12-02 05:49:48,731 INFO L226 Difference]: Without dead ends: 156 [2024-12-02 05:49:48,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:48,733 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 119 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:48,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 352 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:49:48,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-12-02 05:49:48,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 142. [2024-12-02 05:49:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 220 transitions. [2024-12-02 05:49:48,759 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 220 transitions. Word has length 159 [2024-12-02 05:49:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:48,760 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 220 transitions. [2024-12-02 05:49:48,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 220 transitions. [2024-12-02 05:49:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 05:49:48,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:48,763 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:48,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:49:48,763 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:48,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash 424860929, now seen corresponding path program 1 times [2024-12-02 05:49:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:48,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64890548] [2024-12-02 05:49:48,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:49,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:49,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64890548] [2024-12-02 05:49:49,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64890548] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:49,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:49,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:49:49,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508672990] [2024-12-02 05:49:49,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:49,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:49:49,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:49,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:49:49,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:49:49,164 INFO L87 Difference]: Start difference. First operand 142 states and 220 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:49,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:49,255 INFO L93 Difference]: Finished difference Result 297 states and 461 transitions. [2024-12-02 05:49:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:49:49,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2024-12-02 05:49:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:49,258 INFO L225 Difference]: With dead ends: 297 [2024-12-02 05:49:49,258 INFO L226 Difference]: Without dead ends: 202 [2024-12-02 05:49:49,258 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 [2024-12-02 05:49:49,259 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 57 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:49,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 372 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:49:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-12-02 05:49:49,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 199. [2024-12-02 05:49:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 143 states have (on average 1.4195804195804196) internal successors, (203), 144 states have internal predecessors, (203), 52 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 05:49:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 307 transitions. [2024-12-02 05:49:49,283 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 307 transitions. Word has length 159 [2024-12-02 05:49:49,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:49,283 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 307 transitions. [2024-12-02 05:49:49,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 307 transitions. [2024-12-02 05:49:49,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 05:49:49,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:49,285 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:49,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:49:49,286 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:49,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:49,286 INFO L85 PathProgramCache]: Analyzing trace with hash 342983884, now seen corresponding path program 1 times [2024-12-02 05:49:49,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:49,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663087104] [2024-12-02 05:49:49,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:49,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:49:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:49,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663087104] [2024-12-02 05:49:49,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663087104] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:49,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612924376] [2024-12-02 05:49:49,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:49,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:49,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:49,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:49,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:49:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:49,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:49:49,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 699 proven. 69 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 05:49:50,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:49:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 72 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-12-02 05:49:50,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612924376] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:49:50,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:49:50,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 14 [2024-12-02 05:49:50,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327094778] [2024-12-02 05:49:50,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:49:50,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:49:50,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:50,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:49:50,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:49:50,560 INFO L87 Difference]: Start difference. First operand 199 states and 307 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (62), 3 states have call predecessors, (62), 7 states have return successors, (64), 5 states have call predecessors, (64), 5 states have call successors, (64) [2024-12-02 05:49:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:51,259 INFO L93 Difference]: Finished difference Result 330 states and 487 transitions. [2024-12-02 05:49:51,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 05:49:51,260 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (62), 3 states have call predecessors, (62), 7 states have return successors, (64), 5 states have call predecessors, (64), 5 states have call successors, (64) Word has length 160 [2024-12-02 05:49:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:51,262 INFO L225 Difference]: With dead ends: 330 [2024-12-02 05:49:51,263 INFO L226 Difference]: Without dead ends: 178 [2024-12-02 05:49:51,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2024-12-02 05:49:51,265 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 395 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:51,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 322 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:49:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-12-02 05:49:51,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2024-12-02 05:49:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 109 states have (on average 1.275229357798165) internal successors, (139), 109 states have internal predecessors, (139), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:51,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 235 transitions. [2024-12-02 05:49:51,293 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 235 transitions. Word has length 160 [2024-12-02 05:49:51,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:51,293 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 235 transitions. [2024-12-02 05:49:51,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (62), 3 states have call predecessors, (62), 7 states have return successors, (64), 5 states have call predecessors, (64), 5 states have call successors, (64) [2024-12-02 05:49:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 235 transitions. [2024-12-02 05:49:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 05:49:51,296 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:51,296 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:51,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:49:51,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:51,497 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:51,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:51,497 INFO L85 PathProgramCache]: Analyzing trace with hash 963471889, now seen corresponding path program 1 times [2024-12-02 05:49:51,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:51,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37293978] [2024-12-02 05:49:51,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:51,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:51,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37293978] [2024-12-02 05:49:51,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37293978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:51,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:51,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:49:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124269793] [2024-12-02 05:49:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:51,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:49:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:51,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:49:51,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:49:51,785 INFO L87 Difference]: Start difference. First operand 166 states and 235 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:51,850 INFO L93 Difference]: Finished difference Result 267 states and 375 transitions. [2024-12-02 05:49:51,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:49:51,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 05:49:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:51,852 INFO L225 Difference]: With dead ends: 267 [2024-12-02 05:49:51,852 INFO L226 Difference]: Without dead ends: 160 [2024-12-02 05:49:51,853 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 [2024-12-02 05:49:51,853 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 101 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:51,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 260 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:51,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-12-02 05:49:51,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-12-02 05:49:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 101 states have (on average 1.198019801980198) internal successors, (121), 101 states have internal predecessors, (121), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 217 transitions. [2024-12-02 05:49:51,879 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 217 transitions. Word has length 160 [2024-12-02 05:49:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:51,880 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 217 transitions. [2024-12-02 05:49:51,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 217 transitions. [2024-12-02 05:49:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 05:49:51,882 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:51,882 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:51,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:49:51,882 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:51,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash -918112138, now seen corresponding path program 1 times [2024-12-02 05:49:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:51,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225788031] [2024-12-02 05:49:51,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225788031] [2024-12-02 05:49:52,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225788031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:52,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:52,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 05:49:52,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257130433] [2024-12-02 05:49:52,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:52,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:49:52,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:52,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:49:52,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:49:52,773 INFO L87 Difference]: Start difference. First operand 160 states and 217 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:49:53,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:53,591 INFO L93 Difference]: Finished difference Result 333 states and 451 transitions. [2024-12-02 05:49:53,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:49:53,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-12-02 05:49:53,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:53,594 INFO L225 Difference]: With dead ends: 333 [2024-12-02 05:49:53,594 INFO L226 Difference]: Without dead ends: 236 [2024-12-02 05:49:53,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:49:53,595 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 233 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:53,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 327 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:49:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-12-02 05:49:53,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 165. [2024-12-02 05:49:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 106 states have internal predecessors, (129), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2024-12-02 05:49:53,634 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 161 [2024-12-02 05:49:53,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:53,635 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2024-12-02 05:49:53,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:49:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2024-12-02 05:49:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 05:49:53,637 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:53,637 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:53,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:49:53,637 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:53,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:53,638 INFO L85 PathProgramCache]: Analyzing trace with hash -217047560, now seen corresponding path program 1 times [2024-12-02 05:49:53,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:53,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924057535] [2024-12-02 05:49:53,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:53,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:54,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:54,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924057535] [2024-12-02 05:49:54,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924057535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:54,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:54,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 05:49:54,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332957356] [2024-12-02 05:49:54,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:54,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:49:54,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:54,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:49:54,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:49:54,164 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 05:49:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:54,461 INFO L93 Difference]: Finished difference Result 269 states and 372 transitions. [2024-12-02 05:49:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:49:54,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-12-02 05:49:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:54,463 INFO L225 Difference]: With dead ends: 269 [2024-12-02 05:49:54,463 INFO L226 Difference]: Without dead ends: 167 [2024-12-02 05:49:54,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:49:54,464 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 175 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:54,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 217 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:49:54,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-12-02 05:49:54,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2024-12-02 05:49:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2024-12-02 05:49:54,505 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 161 [2024-12-02 05:49:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:54,505 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2024-12-02 05:49:54,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 05:49:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2024-12-02 05:49:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 05:49:54,507 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:54,508 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:54,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:49:54,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:54,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:54,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1442989916, now seen corresponding path program 1 times [2024-12-02 05:49:54,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:54,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324138903] [2024-12-02 05:49:54,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:54,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:49:54,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:54,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324138903] [2024-12-02 05:49:54,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324138903] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:54,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:54,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:49:54,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040265956] [2024-12-02 05:49:54,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:54,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:49:54,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:54,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:49:54,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:49:54,938 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:55,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:55,389 INFO L93 Difference]: Finished difference Result 338 states and 458 transitions. [2024-12-02 05:49:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:49:55,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 05:49:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:55,392 INFO L225 Difference]: With dead ends: 338 [2024-12-02 05:49:55,392 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 05:49:55,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:49:55,393 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 114 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:55,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 342 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:49:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 05:49:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 166. [2024-12-02 05:49:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 10 states have call predecessors, (48), 10 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:49:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2024-12-02 05:49:55,437 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 162 [2024-12-02 05:49:55,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:55,438 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2024-12-02 05:49:55,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:49:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2024-12-02 05:49:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 05:49:55,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:55,440 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:55,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:49:55,440 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:55,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1660491767, now seen corresponding path program 1 times [2024-12-02 05:49:55,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:55,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223043929] [2024-12-02 05:49:55,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:49:55,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:55,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223043929] [2024-12-02 05:49:55,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223043929] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:55,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191612878] [2024-12-02 05:49:55,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:55,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:55,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:55,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:49:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:55,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 05:49:55,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-12-02 05:49:56,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:49:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 30 proven. 39 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:49:56,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191612878] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:49:56,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:49:56,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-12-02 05:49:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716391726] [2024-12-02 05:49:56,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:49:56,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:49:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:56,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:49:56,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:49:56,794 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 6 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 6 states have call predecessors, (72), 6 states have call successors, (72) [2024-12-02 05:49:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:57,504 INFO L93 Difference]: Finished difference Result 518 states and 706 transitions. [2024-12-02 05:49:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 05:49:57,505 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 6 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 6 states have call predecessors, (72), 6 states have call successors, (72) Word has length 162 [2024-12-02 05:49:57,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:57,508 INFO L225 Difference]: With dead ends: 518 [2024-12-02 05:49:57,508 INFO L226 Difference]: Without dead ends: 415 [2024-12-02 05:49:57,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:49:57,509 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 460 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:57,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 638 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 05:49:57,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-12-02 05:49:57,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 335. [2024-12-02 05:49:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 231 states have (on average 1.2597402597402598) internal successors, (291), 232 states have internal predecessors, (291), 82 states have call successors, (82), 21 states have call predecessors, (82), 21 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 05:49:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 455 transitions. [2024-12-02 05:49:57,594 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 455 transitions. Word has length 162 [2024-12-02 05:49:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:57,595 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 455 transitions. [2024-12-02 05:49:57,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 6 states have call successors, (72), 3 states have call predecessors, (72), 6 states have return successors, (72), 6 states have call predecessors, (72), 6 states have call successors, (72) [2024-12-02 05:49:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 455 transitions. [2024-12-02 05:49:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:49:57,598 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:57,598 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:57,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 05:49:57,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 05:49:57,799 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:57,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash 297570304, now seen corresponding path program 1 times [2024-12-02 05:49:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:57,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582437126] [2024-12-02 05:49:57,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:57,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 33 proven. 36 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:49:58,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:58,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582437126] [2024-12-02 05:49:58,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582437126] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329868605] [2024-12-02 05:49:58,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:58,156 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:58,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 05:49:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:58,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:49:58,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 578 proven. 72 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-12-02 05:49:58,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:49:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 33 proven. 36 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:49:58,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329868605] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:49:58,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:49:58,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 12 [2024-12-02 05:49:58,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992538356] [2024-12-02 05:49:58,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:49:58,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:49:58,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:58,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:49:58,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:49:58,869 INFO L87 Difference]: Start difference. First operand 335 states and 455 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2024-12-02 05:49:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:59,199 INFO L93 Difference]: Finished difference Result 635 states and 853 transitions. [2024-12-02 05:49:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:49:59,199 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) Word has length 163 [2024-12-02 05:49:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:59,203 INFO L225 Difference]: With dead ends: 635 [2024-12-02 05:49:59,203 INFO L226 Difference]: Without dead ends: 367 [2024-12-02 05:49:59,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:49:59,205 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 228 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:49:59,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 295 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:49:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-12-02 05:49:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 351. [2024-12-02 05:49:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 243 states have (on average 1.2386831275720165) internal successors, (301), 244 states have internal predecessors, (301), 82 states have call successors, (82), 25 states have call predecessors, (82), 25 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 05:49:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 465 transitions. [2024-12-02 05:49:59,270 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 465 transitions. Word has length 163 [2024-12-02 05:49:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:59,271 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 465 transitions. [2024-12-02 05:49:59,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) [2024-12-02 05:49:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 465 transitions. [2024-12-02 05:49:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:49:59,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:59,274 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:59,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 05:49:59,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:59,474 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:59,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash -982293374, now seen corresponding path program 1 times [2024-12-02 05:49:59,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:59,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557713768] [2024-12-02 05:49:59,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:59,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 132 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2024-12-02 05:50:09,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:09,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557713768] [2024-12-02 05:50:09,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557713768] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:09,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062913391] [2024-12-02 05:50:09,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:09,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:09,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:09,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:09,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 05:50:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:09,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 05:50:09,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 551 proven. 207 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-12-02 05:50:11,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 78 proven. 237 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-12-02 05:50:13,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062913391] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:13,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:50:13,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 44 [2024-12-02 05:50:13,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421305052] [2024-12-02 05:50:13,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:13,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-12-02 05:50:13,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:13,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-12-02 05:50:13,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=1406, Unknown=0, NotChecked=0, Total=1892 [2024-12-02 05:50:13,549 INFO L87 Difference]: Start difference. First operand 351 states and 465 transitions. Second operand has 44 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 16 states have call successors, (63), 6 states have call predecessors, (63), 13 states have return successors, (64), 14 states have call predecessors, (64), 16 states have call successors, (64) [2024-12-02 05:50:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:17,656 INFO L93 Difference]: Finished difference Result 1225 states and 1537 transitions. [2024-12-02 05:50:17,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-02 05:50:17,656 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 16 states have call successors, (63), 6 states have call predecessors, (63), 13 states have return successors, (64), 14 states have call predecessors, (64), 16 states have call successors, (64) Word has length 163 [2024-12-02 05:50:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:17,661 INFO L225 Difference]: With dead ends: 1225 [2024-12-02 05:50:17,661 INFO L226 Difference]: Without dead ends: 945 [2024-12-02 05:50:17,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2794 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2845, Invalid=7457, Unknown=0, NotChecked=0, Total=10302 [2024-12-02 05:50:17,665 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1327 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:17,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 640 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 05:50:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-12-02 05:50:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 347. [2024-12-02 05:50:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 241 states have (on average 1.170124481327801) internal successors, (282), 241 states have internal predecessors, (282), 72 states have call successors, (72), 33 states have call predecessors, (72), 33 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 05:50:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 426 transitions. [2024-12-02 05:50:17,767 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 426 transitions. Word has length 163 [2024-12-02 05:50:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:17,767 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 426 transitions. [2024-12-02 05:50:17,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 16 states have call successors, (63), 6 states have call predecessors, (63), 13 states have return successors, (64), 14 states have call predecessors, (64), 16 states have call successors, (64) [2024-12-02 05:50:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 426 transitions. [2024-12-02 05:50:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:50:17,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:17,769 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:17,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 05:50:17,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:17,969 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -941629787, now seen corresponding path program 1 times [2024-12-02 05:50:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275915279] [2024-12-02 05:50:17,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 69 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-12-02 05:50:18,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:18,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275915279] [2024-12-02 05:50:18,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275915279] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:18,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946309740] [2024-12-02 05:50:18,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:18,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:18,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:18,406 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:18,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 05:50:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:18,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 05:50:18,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 707 proven. 105 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-02 05:50:18,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 84 proven. 114 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2024-12-02 05:50:19,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946309740] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:19,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:50:19,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 26 [2024-12-02 05:50:19,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732411834] [2024-12-02 05:50:19,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:19,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 05:50:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:19,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 05:50:19,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2024-12-02 05:50:19,400 INFO L87 Difference]: Start difference. First operand 347 states and 426 transitions. Second operand has 26 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 10 states have call successors, (55), 4 states have call predecessors, (55), 9 states have return successors, (56), 9 states have call predecessors, (56), 10 states have call successors, (56) [2024-12-02 05:50:19,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:19,952 INFO L93 Difference]: Finished difference Result 629 states and 771 transitions. [2024-12-02 05:50:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 05:50:19,952 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 10 states have call successors, (55), 4 states have call predecessors, (55), 9 states have return successors, (56), 9 states have call predecessors, (56), 10 states have call successors, (56) Word has length 163 [2024-12-02 05:50:19,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:19,955 INFO L225 Difference]: With dead ends: 629 [2024-12-02 05:50:19,955 INFO L226 Difference]: Without dead ends: 369 [2024-12-02 05:50:19,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=366, Invalid=966, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 05:50:19,957 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:19,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 423 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-12-02 05:50:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 357. [2024-12-02 05:50:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 248 states have (on average 1.157258064516129) internal successors, (287), 248 states have internal predecessors, (287), 72 states have call successors, (72), 36 states have call predecessors, (72), 36 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 05:50:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 431 transitions. [2024-12-02 05:50:20,032 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 431 transitions. Word has length 163 [2024-12-02 05:50:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:20,033 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 431 transitions. [2024-12-02 05:50:20,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 5.041666666666667) internal successors, (121), 24 states have internal predecessors, (121), 10 states have call successors, (55), 4 states have call predecessors, (55), 9 states have return successors, (56), 9 states have call predecessors, (56), 10 states have call successors, (56) [2024-12-02 05:50:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 431 transitions. [2024-12-02 05:50:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 05:50:20,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:20,034 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:20,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 05:50:20,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 05:50:20,235 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:20,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -724127936, now seen corresponding path program 1 times [2024-12-02 05:50:20,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:20,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108996603] [2024-12-02 05:50:20,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:20,331 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:20,489 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:50:20,489 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:50:20,490 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:50:20,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 05:50:20,496 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:20,587 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:20,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:20 BoogieIcfgContainer [2024-12-02 05:50:20,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:20,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:20,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:20,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:20,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:45" (3/4) ... [2024-12-02 05:50:20,594 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:20,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:20,595 INFO L158 Benchmark]: Toolchain (without parser) took 35559.47ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 117.9MB in the beginning and 324.4MB in the end (delta: -206.5MB). Peak memory consumption was 128.0MB. Max. memory is 16.1GB. [2024-12-02 05:50:20,595 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:20,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.24ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:50:20,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:20,596 INFO L158 Benchmark]: Boogie Preprocessor took 44.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:20,596 INFO L158 Benchmark]: RCFGBuilder took 484.98ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 75.3MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 05:50:20,596 INFO L158 Benchmark]: TraceAbstraction took 34737.26ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 74.8MB in the beginning and 324.4MB in the end (delta: -249.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-12-02 05:50:20,597 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 478.2MB. Free memory was 324.4MB in the beginning and 324.4MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:20,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.24ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 103.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.98ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 75.3MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 34737.26ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 74.8MB in the beginning and 324.4MB in the end (delta: -249.6MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 478.2MB. Free memory was 324.4MB in the beginning and 324.4MB in the end (delta: 64.9kB). 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 shiftRight at line 118, overapproximation of someBinaryFLOATComparisonOperation at line 170, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 184, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] unsigned char var_1_25 = 10; [L42] unsigned char var_1_27 = 128; [L43] float var_1_30 = 31.3; [L44] float var_1_32 = 15.25; [L45] double var_1_33 = 128.8; [L46] signed char var_1_34 = 4; [L47] signed char var_1_35 = 1; [L48] unsigned char var_1_36 = 16; [L49] unsigned long int last_1_var_1_10 = 128; [L50] unsigned long int last_1_var_1_16 = 1; [L51] double last_1_var_1_19 = 3.8; VAL [isInitial=0, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L188] isInitial = 1 [L189] FCALL initially() [L191] CALL updateLastVariables() [L179] last_1_var_1_10 = var_1_10 [L180] last_1_var_1_16 = var_1_16 [L181] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=0, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L191] RET updateLastVariables() [L192] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L145] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L145] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L146] var_1_7 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L147] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L148] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L148] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=16, var_1_9=4] [L149] var_1_8 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L150] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L151] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L151] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=4] [L152] var_1_9 = __VERIFIER_nondet_char() [L153] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L153] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L154] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L154] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L155] var_1_11 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L156] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L157] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L157] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L158] var_1_17 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L159] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L160] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L160] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L161] var_1_18 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L162] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L163] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L163] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L164] var_1_20 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L165] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L166] var_1_27 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L167] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L168] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L168] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L169] var_1_32 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L170] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L171] var_1_34 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L172] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L173] CALL assume_abort_if_not(var_1_34 <= 5) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L173] RET assume_abort_if_not(var_1_34 <= 5) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L174] var_1_35 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L175] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L176] CALL assume_abort_if_not(var_1_35 <= 4) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L176] RET assume_abort_if_not(var_1_35 <= 4) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L192] RET updateVariables() [L193] CALL step() [L55] unsigned long int stepLocal_1 = last_1_var_1_16; [L56] unsigned long int stepLocal_0 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, stepLocal_1=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L57] COND TRUE stepLocal_1 != last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_0=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L58] COND FALSE !(var_1_8 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L66] COND TRUE var_1_27 >= (var_1_7 + var_1_7) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L67] COND TRUE (-0.95f * ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > var_1_20 [L68] var_1_36 = (var_1_27 - var_1_35) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=5, var_1_7=3, var_1_8=2, var_1_9=7] [L77] COND TRUE var_1_12 == var_1_12 [L78] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L80] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L83] var_1_1 = (var_1_2 || (! var_1_3)) [L84] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L85] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L86] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L87] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L88] COND FALSE !(var_1_19 >= var_1_19) [L93] var_1_15 = var_1_7 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L98] COND TRUE var_1_11 > var_1_12 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L99] COND FALSE !((~ var_1_11) <= 128) [L102] var_1_23 = var_1_12 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=1, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L105] COND TRUE var_1_19 != var_1_19 [L106] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L114] unsigned char stepLocal_2 = var_1_1; VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, stepLocal_2=1, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L115] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L118] EXPR var_1_9 >> var_1_7 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L118] EXPR ((var_1_18) < ((var_1_9 >> var_1_7))) ? (var_1_18) : ((var_1_9 >> var_1_7)) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=10, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L118] COND TRUE var_1_9 <= ((((var_1_18) < ((var_1_9 >> var_1_7))) ? (var_1_18) : ((var_1_9 >> var_1_7)))) [L119] var_1_25 = (var_1_27 - var_1_7) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L125] COND TRUE var_1_16 >= var_1_16 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L126] EXPR var_1_27 >> (var_1_34 + var_1_35) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=644/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L126] COND FALSE !((var_1_27 >> (var_1_34 + var_1_35)) <= var_1_9) [L135] var_1_33 = var_1_20 VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=7/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L193] RET step() [L194] CALL, EXPR property() [L184-L185] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=7/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L194] RET, EXPR property() [L194] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=7/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=2953284989, var_1_11=1073741823, var_1_12=8, var_1_15=3, var_1_16=5, var_1_17=-2, var_1_18=-2, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=8, var_1_25=251, var_1_27=254, var_1_2=1, var_1_30=313/10, var_1_33=7/5, var_1_34=0, var_1_35=0, var_1_36=254, var_1_3=0, var_1_4=4, var_1_7=3, var_1_8=2, var_1_9=7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.6s, OverallIterations: 14, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3539 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3476 mSDsluCounter, 4764 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3347 mSDsCounter, 834 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3497 IncrementalHoareTripleChecker+Invalid, 4331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 834 mSolverCounterUnsat, 1417 mSDtfsCounter, 3497 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1988 GetRequests, 1757 SyntacticMatches, 1 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3379 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=357occurred in iteration=13, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 922 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 3217 NumberOfCodeBlocks, 3217 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3841 ConstructedInterpolants, 0 QuantifiedInterpolants, 16059 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2350 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 25124/26496 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 05:50:20,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/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_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b879c59582ac4a49c0e2ecf86f8757548b6309c2a4170b8da4007bca733fddea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:22,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:22,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:50:22,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:22,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:22,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:22,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:22,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:22,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:22,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:22,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:22,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:22,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:22,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:22,623 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:22,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:22,624 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:22,625 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:22,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:22,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:22,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:22,626 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:50:22,627 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:50:22,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:22,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:22,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:22,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:22,627 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_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879c59582ac4a49c0e2ecf86f8757548b6309c2a4170b8da4007bca733fddea [2024-12-02 05:50:22,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:22,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:22,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:22,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:22,885 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:22,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:50:25,594 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/fd503e14c/88e40ce52d614616a66267313520e8ba/FLAG1b4625aed [2024-12-02 05:50:25,809 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:25,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:50:25,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/fd503e14c/88e40ce52d614616a66267313520e8ba/FLAG1b4625aed [2024-12-02 05:50:26,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/data/fd503e14c/88e40ce52d614616a66267313520e8ba [2024-12-02 05:50:26,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:26,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:26,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:26,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:26,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:26,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578fb417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26, skipping insertion in model container [2024-12-02 05:50:26,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:26,289 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_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i[919,932] [2024-12-02 05:50:26,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:26,357 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:26,364 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_ed95112e-f9b4-4515-a131-ee85395f38b5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i[919,932] [2024-12-02 05:50:26,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:26,405 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:26,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26 WrapperNode [2024-12-02 05:50:26,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:26,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:26,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:26,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:26,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,443 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-12-02 05:50:26,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:26,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:26,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:26,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:26,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,464 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]. [2024-12-02 05:50:26,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:26,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:26,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:26,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:26,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (1/1) ... [2024-12-02 05:50:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:26,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:26,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:26,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:50:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:26,627 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:26,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:28,758 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:28,759 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:28,767 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:28,768 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:28,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:28 BoogieIcfgContainer [2024-12-02 05:50:28,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:28,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:28,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:28,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:28,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:26" (1/3) ... [2024-12-02 05:50:28,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c727dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:28, skipping insertion in model container [2024-12-02 05:50:28,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:26" (2/3) ... [2024-12-02 05:50:28,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c727dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:28, skipping insertion in model container [2024-12-02 05:50:28,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:28" (3/3) ... [2024-12-02 05:50:28,778 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i [2024-12-02 05:50:28,793 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:28,795 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-11.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:28,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:28,847 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;@12cb1fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:28,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 05:50:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 05:50:28,863 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:28,863 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:28,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:28,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 183038408, now seen corresponding path program 1 times [2024-12-02 05:50:28,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:28,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680962906] [2024-12-02 05:50:28,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:28,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:28,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:28,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 05:50:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:29,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-02 05:50:29,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:29,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:29,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680962906] [2024-12-02 05:50:29,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680962906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:29,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:29,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:29,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803383178] [2024-12-02 05:50:29,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:29,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:29,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:29,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:29,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:29,223 INFO L87 Difference]: Start difference. First operand has 80 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:50:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:29,250 INFO L93 Difference]: Finished difference Result 153 states and 274 transitions. [2024-12-02 05:50:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:29,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2024-12-02 05:50:29,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:29,258 INFO L225 Difference]: With dead ends: 153 [2024-12-02 05:50:29,258 INFO L226 Difference]: Without dead ends: 76 [2024-12-02 05:50:29,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:29,263 INFO L435 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:29,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:29,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-02 05:50:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-12-02 05:50:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 05:50:29,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 119 transitions. [2024-12-02 05:50:29,302 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 119 transitions. Word has length 154 [2024-12-02 05:50:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:29,303 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 119 transitions. [2024-12-02 05:50:29,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 05:50:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 119 transitions. [2024-12-02 05:50:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 05:50:29,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,307 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 05:50:29,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:29,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:29,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1096061112, now seen corresponding path program 1 times [2024-12-02 05:50:29,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:29,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285599228] [2024-12-02 05:50:29,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:29,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 05:50:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 05:50:29,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:50:31,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:31,164 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:31,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285599228] [2024-12-02 05:50:31,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285599228] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:31,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:31,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:31,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970715696] [2024-12-02 05:50:31,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:31,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:31,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:31,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:31,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:31,167 INFO L87 Difference]: Start difference. First operand 76 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:50:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:31,681 INFO L93 Difference]: Finished difference Result 223 states and 352 transitions. [2024-12-02 05:50:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:31,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2024-12-02 05:50:31,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:31,686 INFO L225 Difference]: With dead ends: 223 [2024-12-02 05:50:31,687 INFO L226 Difference]: Without dead ends: 150 [2024-12-02 05:50:31,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:31,688 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 84 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:31,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 396 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-12-02 05:50:31,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 120. [2024-12-02 05:50:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 69 states have internal predecessors, (90), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:50:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 186 transitions. [2024-12-02 05:50:31,719 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 186 transitions. Word has length 155 [2024-12-02 05:50:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:31,719 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 186 transitions. [2024-12-02 05:50:31,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:50:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 186 transitions. [2024-12-02 05:50:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:50:31,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:31,722 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:31,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 05:50:31,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:31,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:31,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash 875430585, now seen corresponding path program 1 times [2024-12-02 05:50:31,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:31,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615677106] [2024-12-02 05:50:31,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:31,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:31,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:31,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:31,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 05:50:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:32,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 05:50:32,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-12-02 05:50:32,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:50:32,961 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:32,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615677106] [2024-12-02 05:50:32,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615677106] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:32,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:50:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-12-02 05:50:32,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287530842] [2024-12-02 05:50:32,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:32,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:32,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:32,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:32,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:32,964 INFO L87 Difference]: Start difference. First operand 120 states and 186 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 05:50:33,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:33,403 INFO L93 Difference]: Finished difference Result 209 states and 316 transitions. [2024-12-02 05:50:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:50:33,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 156 [2024-12-02 05:50:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:33,406 INFO L225 Difference]: With dead ends: 209 [2024-12-02 05:50:33,407 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 05:50:33,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:33,408 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 53 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:33,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 212 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 05:50:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 128. [2024-12-02 05:50:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:50:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 190 transitions. [2024-12-02 05:50:33,428 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 190 transitions. Word has length 156 [2024-12-02 05:50:33,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:33,429 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 190 transitions. [2024-12-02 05:50:33,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 05:50:33,430 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 190 transitions. [2024-12-02 05:50:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 05:50:33,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:33,432 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:33,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 05:50:33,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:33,633 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:33,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash -135686665, now seen corresponding path program 1 times [2024-12-02 05:50:33,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:33,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539028877] [2024-12-02 05:50:33,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:33,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:33,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 05:50:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:33,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:50:33,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-12-02 05:50:34,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 9 proven. 60 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 05:50:34,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:34,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539028877] [2024-12-02 05:50:34,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539028877] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:34,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:50:34,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 05:50:34,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453974460] [2024-12-02 05:50:34,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:34,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:50:34,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:34,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:50:34,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:34,566 INFO L87 Difference]: Start difference. First operand 128 states and 190 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 05:50:34,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:34,981 INFO L93 Difference]: Finished difference Result 213 states and 315 transitions. [2024-12-02 05:50:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:50:34,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 156 [2024-12-02 05:50:34,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:34,985 INFO L225 Difference]: With dead ends: 213 [2024-12-02 05:50:34,985 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 05:50:34,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:34,987 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 212 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:34,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 196 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:34,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 05:50:35,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 128. [2024-12-02 05:50:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 75 states have internal predecessors, (92), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:50:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2024-12-02 05:50:35,010 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 156 [2024-12-02 05:50:35,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:35,011 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2024-12-02 05:50:35,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 05:50:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2024-12-02 05:50:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 05:50:35,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:35,013 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:35,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 05:50:35,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:35,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:35,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:35,214 INFO L85 PathProgramCache]: Analyzing trace with hash 223061652, now seen corresponding path program 1 times [2024-12-02 05:50:35,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:35,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788760270] [2024-12-02 05:50:35,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:35,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:35,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:35,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 05:50:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:35,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:35,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 05:50:35,940 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:35,940 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:35,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788760270] [2024-12-02 05:50:35,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788760270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:35,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:35,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:35,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010579127] [2024-12-02 05:50:35,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:35,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:35,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:35,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:35,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:35,943 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:50:38,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:38,481 INFO L93 Difference]: Finished difference Result 213 states and 316 transitions. [2024-12-02 05:50:38,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:38,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2024-12-02 05:50:38,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:38,484 INFO L225 Difference]: With dead ends: 213 [2024-12-02 05:50:38,484 INFO L226 Difference]: Without dead ends: 136 [2024-12-02 05:50:38,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:38,485 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 98 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:38,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 244 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 05:50:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-12-02 05:50:38,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2024-12-02 05:50:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.2375) internal successors, (99), 80 states have internal predecessors, (99), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 05:50:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2024-12-02 05:50:38,507 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 157 [2024-12-02 05:50:38,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:38,508 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2024-12-02 05:50:38,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 05:50:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2024-12-02 05:50:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 05:50:38,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:38,510 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:38,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 05:50:38,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:38,711 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:38,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:38,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1296962025, now seen corresponding path program 1 times [2024-12-02 05:50:38,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:38,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674310110] [2024-12-02 05:50:38,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 05:50:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:38,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 05:50:38,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95112e-f9b4-4515-a131-ee85395f38b5/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 05:50:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:38,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 05:50:38,889 INFO L279 TraceCheckSpWp]: Computing forward predicates...