./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3528376fb447b7e4334860ab48f714a16089e5384cb298e6197e1f3cf82dfcc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:03:19,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:03:19,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:03:19,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:03:19,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:03:19,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:03:19,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:03:19,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:03:19,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:03:19,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:03:19,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:03:19,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:03:19,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:03:19,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:03:19,449 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:03:19,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:03:19,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:03:19,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:03:19,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:03:19,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:03:19,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:03:19,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:03:19,452 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:03:19,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:03:19,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:03:19,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:03:19,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:19,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:03:19,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:03:19,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:03:19,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:03:19,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:19,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:03:19,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:03:19,455 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:03:19,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:03:19,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:03:19,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:03:19,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:03:19,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:03:19,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:03:19,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:03:19,456 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_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3528376fb447b7e4334860ab48f714a16089e5384cb298e6197e1f3cf82dfcc6 [2024-11-24 02:03:19,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:03:19,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:03:19,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:03:19,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:03:19,858 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:03:19,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i [2024-11-24 02:03:23,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/121255d16/e22b989e76794dc794e621b7a9e525e5/FLAGdbe93d1db [2024-11-24 02:03:24,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:03:24,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i [2024-11-24 02:03:24,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/121255d16/e22b989e76794dc794e621b7a9e525e5/FLAGdbe93d1db [2024-11-24 02:03:24,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/121255d16/e22b989e76794dc794e621b7a9e525e5 [2024-11-24 02:03:24,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:03:24,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:03:24,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:24,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:03:24,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:03:24,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7316be88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24, skipping insertion in model container [2024-11-24 02:03:24,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:03:24,323 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_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i[919,932] [2024-11-24 02:03:24,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:24,402 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:03:24,417 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_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i[919,932] [2024-11-24 02:03:24,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:24,500 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:03:24,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24 WrapperNode [2024-11-24 02:03:24,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:24,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:24,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:03:24,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:03:24,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,564 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-24 02:03:24,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:24,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:03:24,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:03:24,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:03:24,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,616 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:03:24,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,633 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:03:24,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:03:24,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:03:24,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:03:24,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (1/1) ... [2024-11-24 02:03:24,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:24,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:24,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:03:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:03:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:03:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:03:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:03:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:03:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:03:24,874 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:03:24,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:03:25,425 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 02:03:25,426 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:03:25,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:03:25,448 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:03:25,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:03:25 BoogieIcfgContainer [2024-11-24 02:03:25,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:03:25,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:03:25,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:03:25,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:03:25,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:03:24" (1/3) ... [2024-11-24 02:03:25,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160c2b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:03:25, skipping insertion in model container [2024-11-24 02:03:25,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:24" (2/3) ... [2024-11-24 02:03:25,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160c2b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:03:25, skipping insertion in model container [2024-11-24 02:03:25,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:03:25" (3/3) ... [2024-11-24 02:03:25,467 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-66.i [2024-11-24 02:03:25,491 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:03:25,493 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-66.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:03:25,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:03:25,607 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;@34412a70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:03:25,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:03:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:03:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:25,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:25,628 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:25,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:25,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:25,638 INFO L85 PathProgramCache]: Analyzing trace with hash -909488153, now seen corresponding path program 1 times [2024-11-24 02:03:25,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:25,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302711683] [2024-11-24 02:03:25,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:25,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 02:03:26,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:26,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302711683] [2024-11-24 02:03:26,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302711683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:26,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210709815] [2024-11-24 02:03:26,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:26,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:26,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:26,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:03:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:26,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:03:26,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 02:03:26,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:26,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210709815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:26,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:03:26,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 02:03:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768797019] [2024-11-24 02:03:26,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:26,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:03:26,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:26,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:03:26,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:03:26,501 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:26,547 INFO L93 Difference]: Finished difference Result 109 states and 192 transitions. [2024-11-24 02:03:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:03:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-24 02:03:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:26,563 INFO L225 Difference]: With dead ends: 109 [2024-11-24 02:03:26,563 INFO L226 Difference]: Without dead ends: 54 [2024-11-24 02:03:26,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:03:26,570 INFO L435 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:26,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:26,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-24 02:03:26,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-24 02:03:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:03:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2024-11-24 02:03:26,626 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 116 [2024-11-24 02:03:26,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:26,627 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2024-11-24 02:03:26,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-24 02:03:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:26,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:26,631 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:26,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:26,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 02:03:26,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:26,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:26,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2068916569, now seen corresponding path program 1 times [2024-11-24 02:03:26,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:26,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068172237] [2024-11-24 02:03:26,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:26,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:03:36,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:36,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068172237] [2024-11-24 02:03:36,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068172237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:36,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:36,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 02:03:36,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632213867] [2024-11-24 02:03:36,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:36,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 02:03:36,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:36,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 02:03:36,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:03:36,312 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:38,754 INFO L93 Difference]: Finished difference Result 215 states and 316 transitions. [2024-11-24 02:03:38,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:03:38,755 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:03:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:38,763 INFO L225 Difference]: With dead ends: 215 [2024-11-24 02:03:38,763 INFO L226 Difference]: Without dead ends: 164 [2024-11-24 02:03:38,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:03:38,765 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 266 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:38,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 319 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 02:03:38,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-24 02:03:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 93. [2024-11-24 02:03:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 69 states have internal predecessors, (99), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 02:03:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 143 transitions. [2024-11-24 02:03:38,794 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 143 transitions. Word has length 116 [2024-11-24 02:03:38,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:38,796 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 143 transitions. [2024-11-24 02:03:38,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2024-11-24 02:03:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:38,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:38,802 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:38,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:03:38,802 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:38,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2070763611, now seen corresponding path program 1 times [2024-11-24 02:03:38,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:38,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543028059] [2024-11-24 02:03:38,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:03:47,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:47,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543028059] [2024-11-24 02:03:47,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543028059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:47,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:47,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 02:03:47,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646444962] [2024-11-24 02:03:47,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:47,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 02:03:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:47,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 02:03:47,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:03:47,164 INFO L87 Difference]: Start difference. First operand 93 states and 143 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:49,121 INFO L93 Difference]: Finished difference Result 164 states and 228 transitions. [2024-11-24 02:03:49,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:03:49,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:03:49,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:49,125 INFO L225 Difference]: With dead ends: 164 [2024-11-24 02:03:49,125 INFO L226 Difference]: Without dead ends: 162 [2024-11-24 02:03:49,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:03:49,127 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 217 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:49,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 332 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:03:49,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-24 02:03:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 93. [2024-11-24 02:03:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 69 states have internal predecessors, (99), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 02:03:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 143 transitions. [2024-11-24 02:03:49,150 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 143 transitions. Word has length 116 [2024-11-24 02:03:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:49,150 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 143 transitions. [2024-11-24 02:03:49,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2024-11-24 02:03:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:49,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:49,155 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:49,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:03:49,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:49,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:49,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1416704101, now seen corresponding path program 1 times [2024-11-24 02:03:49,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:49,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600786342] [2024-11-24 02:03:49,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:03:56,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:56,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600786342] [2024-11-24 02:03:56,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600786342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:56,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:56,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 02:03:56,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686550304] [2024-11-24 02:03:56,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:56,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 02:03:56,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:56,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 02:03:56,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:03:56,242 INFO L87 Difference]: Start difference. First operand 93 states and 143 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:58,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:58,382 INFO L93 Difference]: Finished difference Result 170 states and 235 transitions. [2024-11-24 02:03:58,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:03:58,383 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:03:58,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:58,386 INFO L225 Difference]: With dead ends: 170 [2024-11-24 02:03:58,386 INFO L226 Difference]: Without dead ends: 168 [2024-11-24 02:03:58,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:03:58,387 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 194 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:58,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 368 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:03:58,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-24 02:03:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 96. [2024-11-24 02:03:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.4647887323943662) internal successors, (104), 72 states have internal predecessors, (104), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 02:03:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 148 transitions. [2024-11-24 02:03:58,409 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 148 transitions. Word has length 116 [2024-11-24 02:03:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:58,409 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 148 transitions. [2024-11-24 02:03:58,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2024-11-24 02:03:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:03:58,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:58,412 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:58,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:03:58,413 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:03:58,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1414857059, now seen corresponding path program 1 times [2024-11-24 02:03:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:58,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938058180] [2024-11-24 02:03:58,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:04,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:04,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938058180] [2024-11-24 02:04:04,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938058180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:04,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:04,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 02:04:04,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803885386] [2024-11-24 02:04:04,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:04,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 02:04:04,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:04,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 02:04:04,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-11-24 02:04:04,857 INFO L87 Difference]: Start difference. First operand 96 states and 148 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:06,868 INFO L93 Difference]: Finished difference Result 168 states and 233 transitions. [2024-11-24 02:04:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 02:04:06,869 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:04:06,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:06,871 INFO L225 Difference]: With dead ends: 168 [2024-11-24 02:04:06,871 INFO L226 Difference]: Without dead ends: 166 [2024-11-24 02:04:06,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:04:06,873 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 150 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:06,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 435 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 02:04:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-24 02:04:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 93. [2024-11-24 02:04:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 69 states have internal predecessors, (99), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-24 02:04:06,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 143 transitions. [2024-11-24 02:04:06,912 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 143 transitions. Word has length 116 [2024-11-24 02:04:06,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:06,917 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 143 transitions. [2024-11-24 02:04:06,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2024-11-24 02:04:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:06,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:06,920 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:06,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:04:06,920 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:06,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1833023717, now seen corresponding path program 1 times [2024-11-24 02:04:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:06,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456110319] [2024-11-24 02:04:06,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:06,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456110319] [2024-11-24 02:04:06,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456110319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:06,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:06,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:04:06,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454784227] [2024-11-24 02:04:06,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:06,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:04:06,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:07,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:04:07,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:07,001 INFO L87 Difference]: Start difference. First operand 93 states and 143 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:07,079 INFO L93 Difference]: Finished difference Result 257 states and 398 transitions. [2024-11-24 02:04:07,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:04:07,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:04:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:07,084 INFO L225 Difference]: With dead ends: 257 [2024-11-24 02:04:07,084 INFO L226 Difference]: Without dead ends: 167 [2024-11-24 02:04:07,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:07,088 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 71 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:07,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 213 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:04:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-24 02:04:07,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2024-11-24 02:04:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 116 states have (on average 1.3706896551724137) internal successors, (159), 118 states have internal predecessors, (159), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-24 02:04:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 247 transitions. [2024-11-24 02:04:07,152 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 247 transitions. Word has length 116 [2024-11-24 02:04:07,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:07,152 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 247 transitions. [2024-11-24 02:04:07,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2024-11-24 02:04:07,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:07,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:07,156 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:07,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:04:07,156 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:07,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:07,157 INFO L85 PathProgramCache]: Analyzing trace with hash -686936217, now seen corresponding path program 1 times [2024-11-24 02:04:07,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:07,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241609286] [2024-11-24 02:04:07,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:07,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:07,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:07,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241609286] [2024-11-24 02:04:07,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241609286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:07,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:07,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:07,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045175282] [2024-11-24 02:04:07,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:07,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:07,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:07,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:07,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:07,279 INFO L87 Difference]: Start difference. First operand 165 states and 247 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:07,550 INFO L93 Difference]: Finished difference Result 490 states and 721 transitions. [2024-11-24 02:04:07,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:07,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:04:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:07,555 INFO L225 Difference]: With dead ends: 490 [2024-11-24 02:04:07,555 INFO L226 Difference]: Without dead ends: 328 [2024-11-24 02:04:07,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:04:07,559 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:07,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 206 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:04:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-24 02:04:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 285. [2024-11-24 02:04:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 192 states have (on average 1.3333333333333333) internal successors, (256), 195 states have internal predecessors, (256), 84 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 02:04:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 424 transitions. [2024-11-24 02:04:07,654 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 424 transitions. Word has length 116 [2024-11-24 02:04:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:07,655 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 424 transitions. [2024-11-24 02:04:07,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 424 transitions. [2024-11-24 02:04:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:07,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:07,659 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:07,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:04:07,659 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:07,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:07,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1496282843, now seen corresponding path program 1 times [2024-11-24 02:04:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:07,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7059590] [2024-11-24 02:04:07,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:11,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7059590] [2024-11-24 02:04:11,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7059590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:11,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:11,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 02:04:11,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171012520] [2024-11-24 02:04:11,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:11,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 02:04:11,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:11,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 02:04:11,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:04:11,762 INFO L87 Difference]: Start difference. First operand 285 states and 424 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:14,363 INFO L93 Difference]: Finished difference Result 517 states and 702 transitions. [2024-11-24 02:04:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 02:04:14,364 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-24 02:04:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:14,369 INFO L225 Difference]: With dead ends: 517 [2024-11-24 02:04:14,369 INFO L226 Difference]: Without dead ends: 515 [2024-11-24 02:04:14,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:04:14,371 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 243 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:14,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 421 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 02:04:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-24 02:04:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 335. [2024-11-24 02:04:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 236 states have (on average 1.326271186440678) internal successors, (313), 241 states have internal predecessors, (313), 88 states have call successors, (88), 10 states have call predecessors, (88), 10 states have return successors, (88), 83 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-24 02:04:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 489 transitions. [2024-11-24 02:04:14,475 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 489 transitions. Word has length 116 [2024-11-24 02:04:14,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:14,476 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 489 transitions. [2024-11-24 02:04:14,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:04:14,476 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 489 transitions. [2024-11-24 02:04:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:14,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:14,480 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:14,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:04:14,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:14,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:14,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1498129885, now seen corresponding path program 1 times [2024-11-24 02:04:14,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:14,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282063752] [2024-11-24 02:04:14,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:14,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:19,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:19,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282063752] [2024-11-24 02:04:19,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282063752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:19,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:19,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 02:04:19,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104731854] [2024-11-24 02:04:19,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:19,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:04:19,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:19,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:04:19,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:04:19,358 INFO L87 Difference]: Start difference. First operand 335 states and 489 transitions. Second operand has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 02:04:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:24,343 INFO L93 Difference]: Finished difference Result 744 states and 999 transitions. [2024-11-24 02:04:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-24 02:04:24,344 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 116 [2024-11-24 02:04:24,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:24,350 INFO L225 Difference]: With dead ends: 744 [2024-11-24 02:04:24,350 INFO L226 Difference]: Without dead ends: 742 [2024-11-24 02:04:24,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2024-11-24 02:04:24,352 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 635 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:24,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 610 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 02:04:24,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-24 02:04:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 520. [2024-11-24 02:04:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 373 states have (on average 1.3163538873994638) internal successors, (491), 384 states have internal predecessors, (491), 128 states have call successors, (128), 18 states have call predecessors, (128), 18 states have return successors, (128), 117 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-24 02:04:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 747 transitions. [2024-11-24 02:04:24,501 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 747 transitions. Word has length 116 [2024-11-24 02:04:24,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:24,501 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 747 transitions. [2024-11-24 02:04:24,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 02:04:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 747 transitions. [2024-11-24 02:04:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:24,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:24,503 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:24,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:04:24,504 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:24,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1367851991, now seen corresponding path program 1 times [2024-11-24 02:04:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:24,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647580623] [2024-11-24 02:04:24,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 02:04:24,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:24,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647580623] [2024-11-24 02:04:24,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647580623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:24,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:24,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:24,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903872646] [2024-11-24 02:04:24,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:24,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:24,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:24,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:24,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:24,875 INFO L87 Difference]: Start difference. First operand 520 states and 747 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:04:25,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:25,244 INFO L93 Difference]: Finished difference Result 974 states and 1382 transitions. [2024-11-24 02:04:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:25,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-24 02:04:25,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:25,254 INFO L225 Difference]: With dead ends: 974 [2024-11-24 02:04:25,258 INFO L226 Difference]: Without dead ends: 498 [2024-11-24 02:04:25,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:04:25,261 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 117 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:25,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 119 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:04:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-24 02:04:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 490. [2024-11-24 02:04:25,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 343 states have (on average 1.2682215743440233) internal successors, (435), 352 states have internal predecessors, (435), 126 states have call successors, (126), 20 states have call predecessors, (126), 20 states have return successors, (126), 117 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-24 02:04:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 687 transitions. [2024-11-24 02:04:25,390 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 687 transitions. Word has length 116 [2024-11-24 02:04:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:25,391 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 687 transitions. [2024-11-24 02:04:25,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:04:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 687 transitions. [2024-11-24 02:04:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 02:04:25,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:25,394 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:25,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 02:04:25,394 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:25,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:25,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1799546596, now seen corresponding path program 1 times [2024-11-24 02:04:25,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:25,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242272812] [2024-11-24 02:04:25,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 02:04:25,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849865812] [2024-11-24 02:04:25,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:25,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:25,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:25,507 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:04:25,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:04:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:04:25,672 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:04:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:04:25,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:04:25,852 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:04:25,854 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:04:25,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 02:04:26,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 02:04:26,063 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:26,218 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:04:26,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:04:26 BoogieIcfgContainer [2024-11-24 02:04:26,226 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:04:26,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:04:26,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:04:26,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:04:26,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:03:25" (3/4) ... [2024-11-24 02:04:26,236 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:04:26,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:04:26,238 INFO L158 Benchmark]: Toolchain (without parser) took 62171.95ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 105.1MB in the beginning and 437.7MB in the end (delta: -332.6MB). Peak memory consumption was 281.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,238 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:04:26,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.43ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.89ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 88.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,239 INFO L158 Benchmark]: Boogie Preprocessor took 95.67ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 84.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:04:26,239 INFO L158 Benchmark]: RCFGBuilder took 789.01ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 65.8MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,240 INFO L158 Benchmark]: TraceAbstraction took 60772.92ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 65.2MB in the beginning and 437.9MB in the end (delta: -372.8MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,240 INFO L158 Benchmark]: Witness Printer took 10.30ms. Allocated memory is still 755.0MB. Free memory was 437.9MB in the beginning and 437.7MB in the end (delta: 244.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:26,244 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.43ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.6MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.89ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 88.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.67ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 84.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 789.01ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 65.8MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 60772.92ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 65.2MB in the beginning and 437.9MB in the end (delta: -372.8MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. * Witness Printer took 10.30ms. Allocated memory is still 755.0MB. Free memory was 437.9MB in the beginning and 437.7MB in the end (delta: 244.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 115. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L119] isInitial = 1 [L120] FCALL initially() [L122] CALL updateLastVariables() [L112] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L122] RET updateLastVariables() [L123] CALL updateVariables() [L83] var_1_3 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L84] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L85] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L85] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L86] var_1_4 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L87] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L88] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L88] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L89] var_1_6 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L90] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L91] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L91] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256] [L92] var_1_7 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L93] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L94] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L94] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L95] var_1_10 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L96] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L97] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L97] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L98] var_1_11 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L99] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L100] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L100] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L101] var_1_14 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L102] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L103] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L103] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L104] var_1_20 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L105] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L106] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L106] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L107] var_1_21 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L108] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L109] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L109] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256] [L123] RET updateVariables() [L124] CALL step() [L43] COND FALSE !(-25 == var_1_6) [L48] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=49278] [L50] COND TRUE var_1_8 >= var_1_7 [L51] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=49278] [L53] COND TRUE \read(var_1_12) [L54] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=49278] [L56] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=49278] [L57] COND TRUE \read(var_1_12) [L58] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L61] COND TRUE var_1_1 < var_1_6 [L62] var_1_18 = (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L66] COND TRUE \read(var_1_12) [L67] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L69] COND TRUE -64 > (var_1_6 + var_1_19) [L70] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L78] COND FALSE !(var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L124] RET step() [L125] CALL, EXPR property() [L115-L116] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=49278, var_1_12=1, var_1_14=0, var_1_15=49151, var_1_16=-16, var_1_18=0, var_1_19=-192, var_1_1=-1, var_1_20=16383, var_1_21=446, var_1_3=-1, var_1_4=0, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=49278] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.5s, OverallIterations: 11, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1961 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1961 mSDsluCounter, 3106 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2179 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2125 IncrementalHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 927 mSDtfsCounter, 2125 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=9, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 740 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 40.2s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1265 ConstructedInterpolants, 0 QuantifiedInterpolants, 8531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 275 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 6698/6732 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 02:04:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3528376fb447b7e4334860ab48f714a16089e5384cb298e6197e1f3cf82dfcc6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:04:29,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:04:29,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 02:04:29,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:04:29,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:04:29,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:04:29,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:04:29,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:04:29,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:04:29,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:04:29,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:04:29,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:04:29,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:04:29,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:04:29,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:04:29,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:04:29,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:29,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:29,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:29,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:29,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:04:29,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:04:29,870 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:04:29,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:04:29,870 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:04:29,870 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:04:29,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:04:29,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:04:29,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:04:29,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:04:29,871 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_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3528376fb447b7e4334860ab48f714a16089e5384cb298e6197e1f3cf82dfcc6 [2024-11-24 02:04:30,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:04:30,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:04:30,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:04:30,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:04:30,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:04:30,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i [2024-11-24 02:04:34,180 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/795e670c0/ba4f92a9abc245f99871ac4c620e5585/FLAG8285f2727 [2024-11-24 02:04:34,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:04:34,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i [2024-11-24 02:04:34,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/795e670c0/ba4f92a9abc245f99871ac4c620e5585/FLAG8285f2727 [2024-11-24 02:04:34,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/data/795e670c0/ba4f92a9abc245f99871ac4c620e5585 [2024-11-24 02:04:34,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:04:34,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:04:34,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:34,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:04:34,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:04:34,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:34" (1/1) ... [2024-11-24 02:04:34,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122460d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:34, skipping insertion in model container [2024-11-24 02:04:34,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:34" (1/1) ... [2024-11-24 02:04:34,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:04:34,938 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_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i[919,932] [2024-11-24 02:04:35,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:35,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:04:35,054 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_ed93b7b0-d437-4625-9294-d663d719ad8f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-66.i[919,932] [2024-11-24 02:04:35,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:35,119 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:04:35,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35 WrapperNode [2024-11-24 02:04:35,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:35,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:35,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:04:35,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:04:35,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,176 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-24 02:04:35,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:35,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:04:35,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:04:35,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:04:35,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,212 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 02:04:35,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:04:35,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:04:35,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:04:35,243 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:04:35,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (1/1) ... [2024-11-24 02:04:35,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:35,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:35,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:04:35,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:04:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:04:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:04:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 02:04:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 02:04:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:04:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:04:35,479 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:04:35,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:04:36,046 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 02:04:36,047 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:04:36,060 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:04:36,062 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:04:36,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:36 BoogieIcfgContainer [2024-11-24 02:04:36,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:04:36,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:04:36,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:04:36,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:04:36,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:04:34" (1/3) ... [2024-11-24 02:04:36,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8f5217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:36, skipping insertion in model container [2024-11-24 02:04:36,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:35" (2/3) ... [2024-11-24 02:04:36,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8f5217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:36, skipping insertion in model container [2024-11-24 02:04:36,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:36" (3/3) ... [2024-11-24 02:04:36,084 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-66.i [2024-11-24 02:04:36,104 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:04:36,106 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-66.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:04:36,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:04:36,224 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;@18422883, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:04:36,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:04:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:04:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:36,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:36,248 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:36,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:36,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:36,257 INFO L85 PathProgramCache]: Analyzing trace with hash -909488153, now seen corresponding path program 1 times [2024-11-24 02:04:36,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:36,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604259884] [2024-11-24 02:04:36,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:36,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:04:36,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:04:36,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:04:36,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 02:04:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:36,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:04:36,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-24 02:04:36,654 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:04:36,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:04:36,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604259884] [2024-11-24 02:04:36,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604259884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:36,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:36,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:04:36,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768056263] [2024-11-24 02:04:36,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:36,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:04:36,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:04:36,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:04:36,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:04:36,701 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:04:36,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:36,741 INFO L93 Difference]: Finished difference Result 109 states and 192 transitions. [2024-11-24 02:04:36,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:04:36,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-24 02:04:36,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:36,757 INFO L225 Difference]: With dead ends: 109 [2024-11-24 02:04:36,757 INFO L226 Difference]: Without dead ends: 54 [2024-11-24 02:04:36,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:04:36,772 INFO L435 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:36,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-24 02:04:36,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-24 02:04:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 02:04:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2024-11-24 02:04:36,834 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 116 [2024-11-24 02:04:36,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:36,836 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2024-11-24 02:04:36,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:04:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-24 02:04:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 02:04:36,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:36,848 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:36,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 02:04:37,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:04:37,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:37,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2068916569, now seen corresponding path program 1 times [2024-11-24 02:04:37,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:37,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26229963] [2024-11-24 02:04:37,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:37,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 02:04:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 02:04:37,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 02:04:37,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed93b7b0-d437-4625-9294-d663d719ad8f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 02:04:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:37,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 02:04:37,315 INFO L279 TraceCheckSpWp]: Computing forward predicates...