./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.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_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/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_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/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_6643118b-39a2-4c43-a94a-02188e3a03f0/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 76e63db8a1f11506a4aa82d105c50692fc5fb5205570dd5e3435037592a7b2ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:37:23,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:37:23,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:37:23,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:37:23,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:37:23,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:37:23,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:37:23,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:37:23,523 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:37:23,523 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:37:23,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:37:23,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:37:23,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:37:23,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:37:23,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:37:23,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:37:23,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:23,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:37:23,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:23,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:37:23,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/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 -> 76e63db8a1f11506a4aa82d105c50692fc5fb5205570dd5e3435037592a7b2ae [2024-11-23 22:37:23,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:37:23,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:37:23,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:37:23,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:37:23,876 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:37:23,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.i [2024-11-23 22:37:26,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/data/82fbd5f73/f215a93915214bcb9343c7ae36f7b85f/FLAGc0d5fade1 [2024-11-23 22:37:27,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:37:27,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.i [2024-11-23 22:37:27,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/data/82fbd5f73/f215a93915214bcb9343c7ae36f7b85f/FLAGc0d5fade1 [2024-11-23 22:37:27,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/data/82fbd5f73/f215a93915214bcb9343c7ae36f7b85f [2024-11-23 22:37:27,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:37:27,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:37:27,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:37:27,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:37:27,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:37:27,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5e5b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27, skipping insertion in model container [2024-11-23 22:37:27,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:37:27,507 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_6643118b-39a2-4c43-a94a-02188e3a03f0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.i[916,929] [2024-11-23 22:37:27,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:37:27,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:37:27,601 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_6643118b-39a2-4c43-a94a-02188e3a03f0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-88.i[916,929] [2024-11-23 22:37:27,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:37:27,658 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:37:27,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27 WrapperNode [2024-11-23 22:37:27,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:37:27,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:37:27,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:37:27,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:37:27,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,719 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-11-23 22:37:27,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:37:27,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:37:27,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:37:27,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:37:27,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,758 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]. [2024-11-23 22:37:27,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,769 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:37:27,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:37:27,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:37:27,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:37:27,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (1/1) ... [2024-11-23 22:37:27,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:27,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:37:27,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:37:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:37:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:37:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:37:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:37:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:37:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:37:27,947 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:37:27,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:37:28,257 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-23 22:37:28,257 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:37:28,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:37:28,273 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:37:28,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:28 BoogieIcfgContainer [2024-11-23 22:37:28,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:37:28,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:37:28,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:37:28,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:37:28,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:37:27" (1/3) ... [2024-11-23 22:37:28,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8460a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:28, skipping insertion in model container [2024-11-23 22:37:28,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:27" (2/3) ... [2024-11-23 22:37:28,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb8460a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:28, skipping insertion in model container [2024-11-23 22:37:28,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:28" (3/3) ... [2024-11-23 22:37:28,286 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-88.i [2024-11-23 22:37:28,302 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:37:28,304 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-88.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:37:28,368 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:37:28,381 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;@7c651a99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:37:28,381 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:37:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 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) [2024-11-23 22:37:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 22:37:28,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:28,402 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] [2024-11-23 22:37:28,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:28,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:28,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1173194148, now seen corresponding path program 1 times [2024-11-23 22:37:28,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:28,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988177409] [2024-11-23 22:37:28,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 22:37:28,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:28,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988177409] [2024-11-23 22:37:28,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988177409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:37:28,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166884446] [2024-11-23 22:37:28,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:28,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:28,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:37:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:37:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:28,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:37:28,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:37:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 22:37:28,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:37:28,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166884446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:28,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:37:28,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:37:28,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550169919] [2024-11-23 22:37:28,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:29,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:37:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:29,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:37:29,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:37:29,029 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 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) [2024-11-23 22:37:29,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:29,063 INFO L93 Difference]: Finished difference Result 111 states and 188 transitions. [2024-11-23 22:37:29,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:37:29,066 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 [2024-11-23 22:37:29,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:29,074 INFO L225 Difference]: With dead ends: 111 [2024-11-23 22:37:29,075 INFO L226 Difference]: Without dead ends: 55 [2024-11-23 22:37:29,079 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 [2024-11-23 22:37:29,117 INFO L435 NwaCegarLoop]: 81 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, 81 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 [2024-11-23 22:37:29,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:37:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-23 22:37:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-23 22:37:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 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) [2024-11-23 22:37:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-11-23 22:37:29,178 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 116 [2024-11-23 22:37:29,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:29,179 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-11-23 22:37:29,179 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) [2024-11-23 22:37:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-11-23 22:37:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 22:37:29,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:29,184 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] [2024-11-23 22:37:29,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 22:37:29,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:29,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:29,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1962344732, now seen corresponding path program 1 times [2024-11-23 22:37:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713712197] [2024-11-23 22:37:29,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 22:37:32,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:32,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713712197] [2024-11-23 22:37:32,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713712197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:32,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:32,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:37:32,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613739147] [2024-11-23 22:37:32,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:32,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:37:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:32,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:37:32,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:32,442 INFO L87 Difference]: Start difference. First operand 55 states and 81 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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) [2024-11-23 22:37:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:33,027 INFO L93 Difference]: Finished difference Result 136 states and 194 transitions. [2024-11-23 22:37:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:33,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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 [2024-11-23 22:37:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:33,032 INFO L225 Difference]: With dead ends: 136 [2024-11-23 22:37:33,032 INFO L226 Difference]: Without dead ends: 84 [2024-11-23 22:37:33,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:37:33,035 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 134 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:33,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 165 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:37:33,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-23 22:37:33,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 62. [2024-11-23 22:37:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 22:37:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 88 transitions. [2024-11-23 22:37:33,052 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 88 transitions. Word has length 116 [2024-11-23 22:37:33,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:33,053 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 88 transitions. [2024-11-23 22:37:33,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 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) [2024-11-23 22:37:33,055 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-23 22:37:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 22:37:33,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:33,058 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] [2024-11-23 22:37:33,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:37:33,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:33,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash -557615202, now seen corresponding path program 1 times [2024-11-23 22:37:33,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760456345] [2024-11-23 22:37:33,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 22:37:33,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:33,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760456345] [2024-11-23 22:37:33,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760456345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:33,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:33,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:37:33,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249223491] [2024-11-23 22:37:33,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:33,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:37:33,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:33,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:37:33,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:37:33,537 INFO L87 Difference]: Start difference. First operand 62 states and 88 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) [2024-11-23 22:37:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:33,799 INFO L93 Difference]: Finished difference Result 181 states and 259 transitions. [2024-11-23 22:37:33,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:37:33,800 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 [2024-11-23 22:37:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:33,804 INFO L225 Difference]: With dead ends: 181 [2024-11-23 22:37:33,805 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 22:37:33,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:33,806 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 57 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:33,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 208 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:37:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 22:37:33,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 113. [2024-11-23 22:37:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 72 states have (on average 1.25) internal successors, (90), 72 states have internal predecessors, (90), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 22:37:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 162 transitions. [2024-11-23 22:37:33,865 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 162 transitions. Word has length 116 [2024-11-23 22:37:33,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:33,865 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 162 transitions. [2024-11-23 22:37:33,866 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) [2024-11-23 22:37:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2024-11-23 22:37:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 22:37:33,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:33,869 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, 1] [2024-11-23 22:37:33,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:37:33,869 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:33,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 917685196, now seen corresponding path program 1 times [2024-11-23 22:37:33,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:33,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218102644] [2024-11-23 22:37:33,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:33,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 22:37:34,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218102644] [2024-11-23 22:37:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218102644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:34,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:34,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:37:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174641958] [2024-11-23 22:37:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:34,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:37:34,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:34,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:37:34,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:37:34,099 INFO L87 Difference]: Start difference. First operand 113 states and 162 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-23 22:37:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:34,306 INFO L93 Difference]: Finished difference Result 192 states and 274 transitions. [2024-11-23 22:37:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:37:34,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 118 [2024-11-23 22:37:34,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:34,309 INFO L225 Difference]: With dead ends: 192 [2024-11-23 22:37:34,309 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 22:37:34,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:34,310 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:34,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 212 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:37:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 22:37:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 114. [2024-11-23 22:37:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 22:37:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2024-11-23 22:37:34,341 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 162 transitions. Word has length 118 [2024-11-23 22:37:34,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:34,341 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 162 transitions. [2024-11-23 22:37:34,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-23 22:37:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 162 transitions. [2024-11-23 22:37:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 22:37:34,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:34,343 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, 1, 1, 1] [2024-11-23 22:37:34,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:37:34,344 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:34,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:34,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1657814146, now seen corresponding path program 1 times [2024-11-23 22:37:34,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:34,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987991125] [2024-11-23 22:37:34,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:34,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 22:37:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:34,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987991125] [2024-11-23 22:37:34,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987991125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:34,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:34,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:37:34,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707794119] [2024-11-23 22:37:34,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:34,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:37:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:34,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:37:34,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:34,753 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-11-23 22:37:35,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:35,125 INFO L93 Difference]: Finished difference Result 211 states and 289 transitions. [2024-11-23 22:37:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 22:37:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 120 [2024-11-23 22:37:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:35,129 INFO L225 Difference]: With dead ends: 211 [2024-11-23 22:37:35,129 INFO L226 Difference]: Without dead ends: 146 [2024-11-23 22:37:35,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:37:35,132 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 145 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:35,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 332 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:37:35,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-23 22:37:35,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2024-11-23 22:37:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 74 states have internal predecessors, (91), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 22:37:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-11-23 22:37:35,184 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 120 [2024-11-23 22:37:35,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:35,184 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-11-23 22:37:35,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-11-23 22:37:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-11-23 22:37:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 22:37:35,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:35,189 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, 1, 1, 1] [2024-11-23 22:37:35,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:37:35,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:35,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:35,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2079707078, now seen corresponding path program 1 times [2024-11-23 22:37:35,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:35,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554167450] [2024-11-23 22:37:35,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 22:37:41,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:41,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554167450] [2024-11-23 22:37:41,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554167450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:41,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:41,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 22:37:41,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002859187] [2024-11-23 22:37:41,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:41,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:37:41,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:41,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:37:41,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:37:41,237 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2024-11-23 22:37:42,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:42,000 INFO L93 Difference]: Finished difference Result 115 states and 163 transitions. [2024-11-23 22:37:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:37:42,001 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 120 [2024-11-23 22:37:42,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:42,003 INFO L225 Difference]: With dead ends: 115 [2024-11-23 22:37:42,003 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 22:37:42,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:37:42,005 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 20 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:42,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 452 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:37:42,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 22:37:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 22:37:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:37:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 22:37:42,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2024-11-23 22:37:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:42,011 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 22:37:42,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2024-11-23 22:37:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 22:37:42,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 22:37:42,014 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:37:42,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:37:42,019 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-23 22:37:42,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 22:37:44,360 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:37:44,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:37:44 BoogieIcfgContainer [2024-11-23 22:37:44,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:37:44,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:37:44,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:37:44,395 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:37:44,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:28" (3/4) ... [2024-11-23 22:37:44,398 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:37:44,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 22:37:44,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 22:37:44,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 22:37:44,413 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 22:37:44,413 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:37:44,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:37:44,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:37:44,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:37:44,516 INFO L158 Benchmark]: Toolchain (without parser) took 17223.69ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 104.6MB in the beginning and 401.9MB in the end (delta: -297.3MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,517 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:44,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.91ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 91.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.28ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,518 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:44,518 INFO L158 Benchmark]: RCFGBuilder took 485.64ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 70.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,518 INFO L158 Benchmark]: TraceAbstraction took 16117.81ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 70.0MB in the beginning and 410.0MB in the end (delta: -339.9MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,519 INFO L158 Benchmark]: Witness Printer took 121.16ms. Allocated memory is still 545.3MB. Free memory was 410.0MB in the beginning and 401.9MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:44,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.91ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 91.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.28ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.8MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.64ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 70.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16117.81ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 70.0MB in the beginning and 410.0MB in the end (delta: -339.9MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. * Witness Printer took 121.16ms. Allocated memory is still 545.3MB. Free memory was 410.0MB in the beginning and 401.9MB in the end (delta: 8.1MB). 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 6, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 1450 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 983 mSDsCounter, 247 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 425 IncrementalHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 247 mSolverCounterUnsat, 467 mSDtfsCounter, 425 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 70 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 3660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 4250/4284 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((16 + var_1_15) == 0) && ((((last_1_var_1_15 >= 0) ? (last_1_var_1_15 / 4294967296) : ((last_1_var_1_15 / 4294967296) - 1)) + 1) <= 0)) && (last_1_var_1_18 == 0)) && (25 == var_1_10)) && (var_1_7 <= 127)) && (last_1_var_1_10 <= (41 + last_1_var_1_15))) && ((var_1_9 == 127) || (var_1_9 < 127))) && (25 <= last_1_var_1_10)) && (var_1_18 == 0)) && (var_1_5 == 0)) && (var_1_1 <= var_1_7)) || ((((((((((((var_1_1 == var_1_7) && (0 == 0)) && (var_1_7 <= 127)) && ((((var_1_8 + 1) <= var_1_9) && (var_1_9 == var_1_7)) || (var_1_10 == ((((unsigned long long) 4294967295 * var_1_13) + var_1_11) % 4294967296)))) && ((((var_1_9 < var_1_7) || (((((var_1_9 >= 0) ? (var_1_9 % 256) : ((var_1_9 % 256) + 256)) == var_1_8) || (127 < ((var_1_9 >= 0) ? (var_1_9 % 256) : ((var_1_9 % 256) + 256)))) && ((((var_1_9 >= 0) ? (var_1_9 % 256) : ((var_1_9 % 256) + 256)) == (256 + var_1_8)) || (((var_1_9 >= 0) ? (var_1_9 % 256) : ((var_1_9 % 256) + 256)) < 128)))) && ((((127 < ((var_1_7 >= 0) ? (var_1_7 % 256) : ((var_1_7 % 256) + 256))) || (((var_1_7 >= 0) ? (var_1_7 % 256) : ((var_1_7 % 256) + 256)) == var_1_8)) && ((((var_1_7 >= 0) ? (var_1_7 % 256) : ((var_1_7 % 256) + 256)) == (256 + var_1_8)) || (((var_1_7 >= 0) ? (var_1_7 % 256) : ((var_1_7 % 256) + 256)) < 128))) || (var_1_7 < (var_1_9 + 1)))) || (var_1_5 == 0))) && (var_1_19 == var_1_18)) && ((((var_1_9 != var_1_7) || ((((var_1_11 + ((unsigned long long) 4294967295 * var_1_12)) + 1) % 4294967296) == var_1_10)) || (var_1_12 < ((long long) var_1_13 + 1))) || (var_1_1 < (var_1_8 + 1)))) && ((((var_1_13 < var_1_12) || (var_1_9 != var_1_7)) || (var_1_1 < (var_1_8 + 1))) || (var_1_10 == (((((unsigned long long) 4294967295 * var_1_13) + var_1_11) + 1) % 4294967296)))) && ((var_1_9 == 127) || (var_1_9 < 127))) && (((((var_1_8 + 1) <= 0) && (((long long) var_1_8 + var_1_14) == 0)) || ((0 <= var_1_8) && (var_1_8 == var_1_14))) || (((var_1_8 >= 0) ? (var_1_8 % 4294967296) : ((var_1_8 % 4294967296) + 4294967296)) < var_1_12))) && (2 == var_1_15)) && (var_1_17 == var_1_16))) RESULT: Ultimate proved your program to be correct! [2024-11-23 22:37:44,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6643118b-39a2-4c43-a94a-02188e3a03f0/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 Writing output log to file Ultimate.log Result: TRUE