./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.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_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:45:35,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:45:35,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:45:35,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:45:35,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:45:35,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:45:35,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:45:35,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:45:35,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:45:35,701 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:45:35,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:45:35,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:45:35,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:45:35,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:45:35,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:45:35,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:45:35,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:45:35,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:45:35,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:45:35,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:35,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:45:35,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:35,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:45:35,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:45:35,707 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:45:35,707 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:45:35,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:45:35,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:45:35,707 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 -> c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 [2024-11-23 22:45:36,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:45:36,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:45:36,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:45:36,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:45:36,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:45:36,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:45:38,991 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/e2a54e8cd/336aa5605687485eb4061f2a78aa3313/FLAGfb1b3f8bc [2024-11-23 22:45:39,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:45:39,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:45:39,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/e2a54e8cd/336aa5605687485eb4061f2a78aa3313/FLAGfb1b3f8bc [2024-11-23 22:45:39,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/e2a54e8cd/336aa5605687485eb4061f2a78aa3313 [2024-11-23 22:45:39,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:45:39,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:45:39,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:45:39,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:45:39,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:45:39,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5998c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39, skipping insertion in model container [2024-11-23 22:45:39,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:45:39,554 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-23 22:45:39,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:45:39,679 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:45:39,690 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-23 22:45:39,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:45:39,780 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:45:39,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39 WrapperNode [2024-11-23 22:45:39,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:45:39,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:45:39,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:45:39,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:45:39,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,851 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-23 22:45:39,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:45:39,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:45:39,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:45:39,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:45:39,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,899 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 22:45:39,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,914 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:45:39,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:45:39,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:45:39,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:45:39,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (1/1) ... [2024-11-23 22:45:39,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:45:39,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:39,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:45:39,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:45:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:45:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:45:40,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:45:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:45:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:45:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:45:40,117 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:45:40,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:45:40,557 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 22:45:40,557 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:45:40,568 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:45:40,568 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:45:40,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:40 BoogieIcfgContainer [2024-11-23 22:45:40,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:45:40,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:45:40,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:45:40,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:45:40,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:45:39" (1/3) ... [2024-11-23 22:45:40,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b18508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:45:40, skipping insertion in model container [2024-11-23 22:45:40,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:45:39" (2/3) ... [2024-11-23 22:45:40,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b18508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:45:40, skipping insertion in model container [2024-11-23 22:45:40,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:40" (3/3) ... [2024-11-23 22:45:40,583 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:45:40,601 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:45:40,602 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-98.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:45:40,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:45:40,695 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;@4f938025, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:45:40,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:45:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:45:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:45:40,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:40,717 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:40,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:40,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2024-11-23 22:45:40,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783339196] [2024-11-23 22:45:40,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-23 22:45:41,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:41,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783339196] [2024-11-23 22:45:41,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783339196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:41,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542034971] [2024-11-23 22:45:41,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:41,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:41,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:41,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:41,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:45:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:41,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:45:41,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-23 22:45:41,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:45:41,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542034971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:41,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:45:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:45:41,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936178376] [2024-11-23 22:45:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:41,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:45:41,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:41,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:45:41,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:45:41,488 INFO L87 Difference]: Start difference. First operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:45:41,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:41,526 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2024-11-23 22:45:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:45:41,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2024-11-23 22:45:41,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:41,536 INFO L225 Difference]: With dead ends: 147 [2024-11-23 22:45:41,536 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 22:45:41,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:45:41,546 INFO L435 NwaCegarLoop]: 112 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, 112 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 22:45:41,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:45:41,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 22:45:41,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 22:45:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:45:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-23 22:45:41,613 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2024-11-23 22:45:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:41,616 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-23 22:45:41,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:45:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-23 22:45:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:45:41,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:41,623 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:41,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:45:41,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:45:41,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:41,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:41,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2024-11-23 22:45:41,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:41,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927452316] [2024-11-23 22:45:41,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:41,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:45:42,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:42,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927452316] [2024-11-23 22:45:42,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927452316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:42,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:42,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:45:42,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131314662] [2024-11-23 22:45:42,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:42,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:45:42,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:42,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:45:42,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:45:42,208 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:45:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:42,302 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2024-11-23 22:45:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:45:42,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2024-11-23 22:45:42,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:42,305 INFO L225 Difference]: With dead ends: 211 [2024-11-23 22:45:42,305 INFO L226 Difference]: Without dead ends: 141 [2024-11-23 22:45:42,306 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 [2024-11-23 22:45:42,306 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 99 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:42,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 293 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:45:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-23 22:45:42,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-23 22:45:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:45:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 213 transitions. [2024-11-23 22:45:42,332 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 213 transitions. Word has length 152 [2024-11-23 22:45:42,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:42,333 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 213 transitions. [2024-11-23 22:45:42,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:45:42,333 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2024-11-23 22:45:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:45:42,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:42,335 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:42,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:45:42,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:42,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:42,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1777900091, now seen corresponding path program 1 times [2024-11-23 22:45:42,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:42,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625703107] [2024-11-23 22:45:42,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:42,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:45:44,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:44,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625703107] [2024-11-23 22:45:44,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625703107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:45:44,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:45:44,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:45:44,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708709611] [2024-11-23 22:45:44,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:45:44,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:45:44,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:44,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:45:44,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:45:44,018 INFO L87 Difference]: Start difference. First operand 139 states and 213 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:45:44,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:44,452 INFO L93 Difference]: Finished difference Result 373 states and 569 transitions. [2024-11-23 22:45:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:45:44,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2024-11-23 22:45:44,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:44,457 INFO L225 Difference]: With dead ends: 373 [2024-11-23 22:45:44,460 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 22:45:44,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:45:44,463 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 166 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:44,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 393 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:45:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 22:45:44,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 211. [2024-11-23 22:45:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 69 states have call successors, (69), 4 states have call predecessors, (69), 4 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-23 22:45:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 323 transitions. [2024-11-23 22:45:44,537 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 323 transitions. Word has length 152 [2024-11-23 22:45:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:44,542 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 323 transitions. [2024-11-23 22:45:44,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:45:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 323 transitions. [2024-11-23 22:45:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:45:44,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:44,549 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:44,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:45:44,549 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:44,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:44,550 INFO L85 PathProgramCache]: Analyzing trace with hash 189552189, now seen corresponding path program 1 times [2024-11-23 22:45:44,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:44,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695884825] [2024-11-23 22:45:44,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:44,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:45:45,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:45,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695884825] [2024-11-23 22:45:45,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695884825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:45,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767417550] [2024-11-23 22:45:45,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:45,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:45,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:45:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:45,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:45:45,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-23 22:45:45,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:45:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:45:45,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767417550] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:45:45,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:45:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-23 22:45:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382626961] [2024-11-23 22:45:45,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:45:45,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:45:45,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:45,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:45:45,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:45:45,761 INFO L87 Difference]: Start difference. First operand 211 states and 323 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 22:45:46,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:46,091 INFO L93 Difference]: Finished difference Result 445 states and 666 transitions. [2024-11-23 22:45:46,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:45:46,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2024-11-23 22:45:46,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:46,099 INFO L225 Difference]: With dead ends: 445 [2024-11-23 22:45:46,099 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 22:45:46,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:45:46,104 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 169 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:46,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 196 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:45:46,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 22:45:46,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 223. [2024-11-23 22:45:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 146 states have (on average 1.2945205479452055) internal successors, (189), 146 states have internal predecessors, (189), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-23 22:45:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2024-11-23 22:45:46,160 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 152 [2024-11-23 22:45:46,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:46,160 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2024-11-23 22:45:46,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 22:45:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2024-11-23 22:45:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:45:46,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:46,169 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:46,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:46,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:46,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:46,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:46,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1604754578, now seen corresponding path program 1 times [2024-11-23 22:45:46,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:46,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380056249] [2024-11-23 22:45:46,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:46,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:45:46,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:45:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380056249] [2024-11-23 22:45:46,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380056249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:45:46,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006600694] [2024-11-23 22:45:46,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:46,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:45:46,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:45:46,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:45:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:45:47,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 22:45:47,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:45:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-23 22:45:48,138 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:45:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:45:48,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006600694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:45:48,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:45:48,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-23 22:45:48,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034073767] [2024-11-23 22:45:48,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:45:48,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 22:45:48,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:45:48,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 22:45:48,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-23 22:45:48,504 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2024-11-23 22:45:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:45:49,520 INFO L93 Difference]: Finished difference Result 670 states and 976 transitions. [2024-11-23 22:45:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 22:45:49,521 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 153 [2024-11-23 22:45:49,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:45:49,528 INFO L225 Difference]: With dead ends: 670 [2024-11-23 22:45:49,529 INFO L226 Difference]: Without dead ends: 450 [2024-11-23 22:45:49,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2024-11-23 22:45:49,532 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 221 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:45:49,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 22:45:49,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-23 22:45:49,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 280. [2024-11-23 22:45:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 176 states have (on average 1.2443181818181819) internal successors, (219), 176 states have internal predecessors, (219), 92 states have call successors, (92), 11 states have call predecessors, (92), 11 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-23 22:45:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 403 transitions. [2024-11-23 22:45:49,605 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 403 transitions. Word has length 153 [2024-11-23 22:45:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:45:49,606 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 403 transitions. [2024-11-23 22:45:49,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.764705882352941) internal successors, (98), 17 states have internal predecessors, (98), 6 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2024-11-23 22:45:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 403 transitions. [2024-11-23 22:45:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:45:49,609 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:45:49,609 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:49,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:45:49,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:45:49,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:45:49,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:45:49,814 INFO L85 PathProgramCache]: Analyzing trace with hash 696068012, now seen corresponding path program 1 times [2024-11-23 22:45:49,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:45:49,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176202164] [2024-11-23 22:45:49,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:45:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:45:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 141 proven. 129 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-11-23 22:46:07,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:46:07,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176202164] [2024-11-23 22:46:07,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176202164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:46:07,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327005606] [2024-11-23 22:46:07,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:46:07,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:46:07,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:46:07,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:46:07,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:46:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:07,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-23 22:46:07,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:46:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 537 proven. 183 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-23 22:46:11,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:46:32,274 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 22:46:40,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327005606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:46:40,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:46:40,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30] total 50 [2024-11-23 22:46:40,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499682433] [2024-11-23 22:46:40,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:46:40,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-23 22:46:40,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:46:40,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-23 22:46:40,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=3265, Unknown=0, NotChecked=0, Total=3660 [2024-11-23 22:46:40,680 INFO L87 Difference]: Start difference. First operand 280 states and 403 transitions. Second operand has 50 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 44 states have internal predecessors, (107), 15 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) [2024-11-23 22:47:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:47:22,360 INFO L93 Difference]: Finished difference Result 1301 states and 1775 transitions. [2024-11-23 22:47:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-11-23 22:47:22,361 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 44 states have internal predecessors, (107), 15 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) Word has length 153 [2024-11-23 22:47:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:47:22,367 INFO L225 Difference]: With dead ends: 1301 [2024-11-23 22:47:22,367 INFO L226 Difference]: Without dead ends: 1157 [2024-11-23 22:47:22,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16796 ImplicationChecksByTransitivity, 49.6s TimeCoverageRelationStatistics Valid=6365, Invalid=42697, Unknown=0, NotChecked=0, Total=49062 [2024-11-23 22:47:22,378 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 3438 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 4370 mSolverCounterSat, 907 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3466 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 5277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 907 IncrementalHoareTripleChecker+Valid, 4370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:47:22,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3466 Valid, 3078 Invalid, 5277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [907 Valid, 4370 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-11-23 22:47:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-23 22:47:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 573. [2024-11-23 22:47:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 381 states have (on average 1.2440944881889764) internal successors, (474), 385 states have internal predecessors, (474), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 150 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-23 22:47:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 782 transitions. [2024-11-23 22:47:22,516 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 782 transitions. Word has length 153 [2024-11-23 22:47:22,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:47:22,517 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 782 transitions. [2024-11-23 22:47:22,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 2.3777777777777778) internal successors, (107), 44 states have internal predecessors, (107), 15 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (46), 15 states have call predecessors, (46), 15 states have call successors, (46) [2024-11-23 22:47:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 782 transitions. [2024-11-23 22:47:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:47:22,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:47:22,519 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:22,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 22:47:22,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 22:47:22,720 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:47:22,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:47:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash 303041002, now seen corresponding path program 1 times [2024-11-23 22:47:22,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:47:22,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035463687] [2024-11-23 22:47:22,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:47:22,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:47:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:47:22,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1809058116] [2024-11-23 22:47:22,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:47:22,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:47:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:47:22,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:47:22,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:47:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:47:23,151 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:47:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:47:23,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:47:23,319 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:47:23,321 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:47:23,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 22:47:23,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-23 22:47:23,529 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:47:23,696 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:47:23,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:47:23 BoogieIcfgContainer [2024-11-23 22:47:23,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:47:23,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:47:23,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:47:23,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:47:23,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:45:40" (3/4) ... [2024-11-23 22:47:23,704 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:47:23,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:47:23,706 INFO L158 Benchmark]: Toolchain (without parser) took 104363.18ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 117.9MB in the beginning and 418.8MB in the end (delta: -300.9MB). Peak memory consumption was 338.9MB. Max. memory is 16.1GB. [2024-11-23 22:47:23,706 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:47:23,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.60ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 102.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:47:23,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.01ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:47:23,707 INFO L158 Benchmark]: Boogie Preprocessor took 80.97ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 96.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:47:23,707 INFO L158 Benchmark]: RCFGBuilder took 636.02ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 74.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:47:23,708 INFO L158 Benchmark]: TraceAbstraction took 103125.01ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 73.9MB in the beginning and 419.0MB in the end (delta: -345.1MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. [2024-11-23 22:47:23,708 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 780.1MB. Free memory was 419.0MB in the beginning and 418.8MB in the end (delta: 158.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:47:23,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.60ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 102.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.01ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.97ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 96.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.02ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 74.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 103125.01ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 73.9MB in the beginning and 419.0MB in the end (delta: -345.1MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 780.1MB. Free memory was 419.0MB in the beginning and 418.8MB in the end (delta: 158.9kB). 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 someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 153, overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryArithmeticFLOAToperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] unsigned long int var_1_4 = 128; [L24] signed char var_1_5 = 100; [L25] signed char var_1_6 = 5; [L26] signed char var_1_7 = 25; [L27] signed long int var_1_8 = 0; [L28] signed long int var_1_9 = 100; [L29] signed char var_1_10 = 10; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 0; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 63.5; [L34] float var_1_16 = 0.0; [L35] float var_1_17 = 8.16; [L36] float var_1_18 = 4.625; [L37] float var_1_19 = 1000000.2; [L38] float var_1_20 = 5.2; [L39] signed char var_1_21 = 8; [L40] signed long int var_1_22 = 64; [L41] signed char var_1_24 = 10; [L42] float var_1_25 = 0.0; [L43] float var_1_26 = 128.55; [L44] signed char var_1_27 = 16; [L45] unsigned long int var_1_28 = 256; [L46] signed short int var_1_29 = -128; [L47] signed char last_1_var_1_10 = 10; [L48] signed long int last_1_var_1_22 = 64; [L49] unsigned long int last_1_var_1_28 = 256; VAL [isInitial=0, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L176] isInitial = 1 [L177] FCALL initially() [L179] CALL updateLastVariables() [L167] last_1_var_1_10 = var_1_10 [L168] last_1_var_1_22 = var_1_22 [L169] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L179] RET updateLastVariables() [L180] CALL updateVariables() [L128] var_1_4 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L129] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L130] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L131] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=100, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L132] var_1_5 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_5 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L133] RET assume_abort_if_not(var_1_5 >= 62) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L134] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=5, var_1_7=25, var_1_8=0, var_1_9=100] [L135] var_1_6 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L136] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L137] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L137] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=25, var_1_8=0, var_1_9=100] [L138] var_1_7 = __VERIFIER_nondet_char() [L139] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L139] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L140] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L140] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=100] [L141] var_1_9 = __VERIFIER_nondet_long() [L142] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L142] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L143] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=0, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L144] var_1_12 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L145] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L146] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L147] var_1_14 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L148] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L149] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_16=0, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L150] var_1_16 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L151] RET assume_abort_if_not((var_1_16 >= 4611686.018427382800e+12F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_17=204/25, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L152] var_1_17 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L153] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_18=37/8, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L154] var_1_18 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L155] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_19=5000001/5, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L156] var_1_19 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L157] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_25=0, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L158] var_1_25 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L159] RET assume_abort_if_not((var_1_25 >= 4611686.018427387900e+12F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_26=2571/20, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L160] var_1_26 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L161] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=16, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L162] var_1_27 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L163] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L164] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L164] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L180] RET updateVariables() [L181] CALL step() [L53] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=8, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L56] COND FALSE !(last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) [L59] var_1_21 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L62] COND FALSE !(last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=1, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L65] COND TRUE \read(var_1_12) [L66] var_1_11 = (((var_1_20 + 31.75f) <= 4.2f) && var_1_14) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L68] signed char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_0=7, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=0, var_1_9=0] [L69] COND TRUE stepLocal_0 != var_1_4 [L70] var_1_8 = ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_15=127/2, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L74] var_1_15 = ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19) [L75] unsigned char stepLocal_3 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=10, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L76] COND TRUE var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26)) [L77] var_1_24 = (32 - (var_1_6 + var_1_27)) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=12, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L89] signed long int stepLocal_1 = var_1_24 + (var_1_5 - var_1_7); VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_1=67, stepLocal_3=0, var_1_10=10, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=12, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L90] COND FALSE !(var_1_6 >= stepLocal_1) [L93] var_1_10 = var_1_7 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=12, var_1_27=11, var_1_28=256, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L95] COND FALSE !(\read(var_1_11)) [L104] var_1_28 = ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L106] unsigned char stepLocal_2 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_2=0, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=64, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L107] COND FALSE !(stepLocal_2 && var_1_11) [L110] var_1_22 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L112] COND FALSE !(10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=-128, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L117] COND FALSE !((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) [L124] var_1_29 = var_1_27 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, stepLocal_3=0, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=11, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L181] RET step() [L182] CALL, EXPR property() [L172-L173] return (((((((((((10u <= ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) ? ((((((16u) < (var_1_22)) ? (16u) : (var_1_22))) >= (var_1_8 % var_1_4)) ? (var_1_1 == ((signed char) ((var_1_5 - var_1_6) - var_1_7))) : 1) : 1) && ((var_1_7 != var_1_4) ? (var_1_8 == ((signed long int) ((var_1_7 + ((((var_1_6) > (var_1_5)) ? (var_1_6) : (var_1_5)))) - var_1_9))) : (var_1_8 == ((signed long int) var_1_21)))) && ((var_1_6 >= (var_1_24 + (var_1_5 - var_1_7))) ? (var_1_10 == ((signed char) (var_1_7 - var_1_6))) : (var_1_10 == ((signed char) var_1_7)))) && (var_1_12 ? (var_1_11 == ((unsigned char) (((var_1_20 + 31.75f) <= 4.2f) && var_1_14))) : 1)) && (var_1_15 == ((float) ((((((var_1_16 - var_1_17)) > (var_1_18)) ? ((var_1_16 - var_1_17)) : (var_1_18))) - var_1_19)))) && ((last_1_var_1_28 <= ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) ? (var_1_20 == ((float) ((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16))))) : 1)) && (var_1_14 ? (var_1_21 == ((signed char) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : ((last_1_var_1_10 >= (var_1_6 + last_1_var_1_22)) ? (var_1_21 == ((signed char) var_1_6)) : (var_1_21 == ((signed char) var_1_7))))) && ((var_1_11 && var_1_11) ? (var_1_22 == ((signed long int) (((((var_1_6 + var_1_10) + var_1_21) < 0 ) ? -((var_1_6 + var_1_10) + var_1_21) : ((var_1_6 + var_1_10) + var_1_21))))) : (var_1_22 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))))) && ((var_1_17 > (((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))) - (var_1_25 - var_1_26))) ? (var_1_24 == ((signed char) (32 - (var_1_6 + var_1_27)))) : ((var_1_11 && (var_1_11 && var_1_14)) ? (var_1_24 == ((signed char) (var_1_6 + var_1_27))) : ((var_1_15 >= var_1_18) ? (var_1_24 == ((signed char) var_1_6)) : (var_1_24 == ((signed char) var_1_27)))))) && (var_1_11 ? ((! (var_1_20 >= var_1_16)) ? (var_1_28 == ((unsigned long int) (var_1_27 + var_1_5))) : (((- var_1_26) < (- (var_1_15 + var_1_17))) ? (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_27)) ? (var_1_7) : (var_1_27))))) : 1)) : (var_1_28 == ((unsigned long int) ((((var_1_7) > (var_1_6)) ? (var_1_7) : (var_1_6))))))) && (((var_1_8 > var_1_22) && (var_1_19 < (var_1_15 / var_1_16))) ? ((var_1_27 != (var_1_7 - var_1_6)) ? (var_1_29 == ((signed short int) (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - ((10000 - var_1_5) + var_1_27)))) : (var_1_29 == ((signed short int) var_1_10))) : (var_1_29 == ((signed short int) var_1_27))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=11, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L182] RET, EXPR property() [L182] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=11, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_22=64, last_1_var_1_28=256, var_1_10=7, var_1_11=0, var_1_12=1, var_1_14=0, var_1_1=-2, var_1_20=26/5, var_1_21=7, var_1_22=9, var_1_24=12, var_1_27=11, var_1_28=9, var_1_29=11, var_1_4=12011, var_1_5=62, var_1_6=9, var_1_7=7, var_1_8=69, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.9s, OverallIterations: 7, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 43.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4156 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4093 mSDsluCounter, 4639 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3916 mSDsCounter, 1202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5207 IncrementalHoareTripleChecker+Invalid, 6409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1202 mSolverCounterUnsat, 723 mSDtfsCounter, 5207 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1196 GetRequests, 935 SyntacticMatches, 1 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16909 ImplicationChecksByTransitivity, 50.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=573occurred in iteration=6, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 796 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 54.6s InterpolantComputationTime, 1830 NumberOfCodeBlocks, 1830 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 11792 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 11563/12144 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 [2024-11-23 22:47:23,926 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-23 22:47:23,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:47:26,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:47:26,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 22:47:26,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:47:26,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:47:26,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:47:26,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:47:26,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:47:26,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:47:26,445 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:47:26,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:47:26,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:47:26,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:47:26,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:47:26,447 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:47:26,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:47:26,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:47:26,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:47:26,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:47:26,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:47:26,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:47:26,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:47:26,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:47:26,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:47:26,450 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:47:26,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:47:26,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:47:26,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:47:26,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:47:26,451 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 -> c9772336b4f5bbc4418fabef46aa66f1fadeb5e29c51f3493f820d65f03963e5 [2024-11-23 22:47:26,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:47:26,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:47:26,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:47:26,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:47:26,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:47:26,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:47:29,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/6af35cb35/7f34fcd38bdd471cac46681d7400964e/FLAG02351db3b [2024-11-23 22:47:30,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:47:30,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:47:30,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/6af35cb35/7f34fcd38bdd471cac46681d7400964e/FLAG02351db3b [2024-11-23 22:47:30,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/data/6af35cb35/7f34fcd38bdd471cac46681d7400964e [2024-11-23 22:47:30,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:47:30,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:47:30,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:47:30,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:47:30,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:47:30,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d6c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30, skipping insertion in model container [2024-11-23 22:47:30,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:47:30,316 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-23 22:47:30,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:47:30,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:47:30,466 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_7e7171ad-2692-4d14-8c51-2ee53a73d678/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-23 22:47:30,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:47:30,525 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:47:30,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30 WrapperNode [2024-11-23 22:47:30,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:47:30,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:47:30,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:47:30,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:47:30,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,576 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-23 22:47:30,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:47:30,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:47:30,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:47:30,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:47:30,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,620 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 22:47:30,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:47:30,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:47:30,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:47:30,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:47:30,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (1/1) ... [2024-11-23 22:47:30,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:47:30,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:47:30,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:47:30,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:47:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:47:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:47:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:47:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:47:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:47:30,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:47:30,830 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:47:30,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:47:37,566 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 22:47:37,566 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:47:37,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:47:37,577 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:47:37,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:47:37 BoogieIcfgContainer [2024-11-23 22:47:37,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:47:37,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:47:37,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:47:37,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:47:37,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:47:30" (1/3) ... [2024-11-23 22:47:37,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f1443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:47:37, skipping insertion in model container [2024-11-23 22:47:37,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:47:30" (2/3) ... [2024-11-23 22:47:37,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454f1443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:47:37, skipping insertion in model container [2024-11-23 22:47:37,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:47:37" (3/3) ... [2024-11-23 22:47:37,591 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-23 22:47:37,605 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:47:37,607 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-while_file-98.i that has 2 procedures, 77 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:47:37,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:47:37,680 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;@506d618d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:47:37,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:47:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:47:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:47:37,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:47:37,708 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:37,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:47:37,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:47:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2024-11-23 22:47:37,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:47:37,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639558687] [2024-11-23 22:47:37,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:47:37,735 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 [2024-11-23 22:47:37,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:47:37,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:47:37,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:47:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:47:38,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:47:38,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:47:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-23 22:47:38,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:47:38,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:47:38,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639558687] [2024-11-23 22:47:38,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639558687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:47:38,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:47:38,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:47:38,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361593544] [2024-11-23 22:47:38,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:47:38,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:47:38,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:47:38,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:47:38,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:47:38,563 INFO L87 Difference]: Start difference. First operand has 77 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:47:38,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:47:38,612 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2024-11-23 22:47:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:47:38,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 152 [2024-11-23 22:47:38,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:47:38,621 INFO L225 Difference]: With dead ends: 147 [2024-11-23 22:47:38,622 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 22:47:38,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 22:47:38,628 INFO L435 NwaCegarLoop]: 112 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, 112 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 22:47:38,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:47:38,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 22:47:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-23 22:47:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:47:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-23 22:47:38,670 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2024-11-23 22:47:38,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:47:38,671 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-23 22:47:38,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:47:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-23 22:47:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-23 22:47:38,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:47:38,674 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:38,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:47:38,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:47:38,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:47:38,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:47:38,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2024-11-23 22:47:38,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:47:38,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637342500] [2024-11-23 22:47:38,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:47:38,878 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 [2024-11-23 22:47:38,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:47:38,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:47:38,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:47:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:47:39,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:47:39,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:47:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-23 22:47:40,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:47:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:47:41,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:47:41,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637342500] [2024-11-23 22:47:41,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637342500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:47:41,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:47:41,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-23 22:47:41,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857652290] [2024-11-23 22:47:41,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:47:41,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:47:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:47:41,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:47:41,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:47:41,202 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 22:47:46,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:47:50,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:47:54,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:47:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:47:54,331 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2024-11-23 22:47:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:47:54,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 152 [2024-11-23 22:47:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:47:54,374 INFO L225 Difference]: With dead ends: 151 [2024-11-23 22:47:54,374 INFO L226 Difference]: Without dead ends: 81 [2024-11-23 22:47:54,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:47:54,376 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 117 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 34 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:47:54,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 195 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 127 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-23 22:47:54,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-23 22:47:54,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2024-11-23 22:47:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:47:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-11-23 22:47:54,393 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 152 [2024-11-23 22:47:54,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:47:54,394 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-11-23 22:47:54,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 22:47:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-11-23 22:47:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:47:54,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:47:54,397 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:54,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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)] Forceful destruction successful, exit code 0 [2024-11-23 22:47:54,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:47:54,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:47:54,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:47:54,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1791414038, now seen corresponding path program 1 times [2024-11-23 22:47:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:47:54,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011719601] [2024-11-23 22:47:54,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:47:54,603 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 [2024-11-23 22:47:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:47:54,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:47:54,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 22:47:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:47:55,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:47:55,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:48:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-23 22:48:00,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:48:01,801 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:48:01,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011719601] [2024-11-23 22:48:01,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011719601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:48:01,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [469109972] [2024-11-23 22:48:01,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:48:01,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 22:48:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 22:48:01,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 22:48:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-23 22:48:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:48:02,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:48:02,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:48:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:48:02,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:48:02,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [469109972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:48:02,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:48:02,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-23 22:48:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664511113] [2024-11-23 22:48:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:48:02,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:48:02,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:48:02,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:48:02,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:48:02,561 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:48:07,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:11,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:48:11,526 INFO L93 Difference]: Finished difference Result 223 states and 329 transitions. [2024-11-23 22:48:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:48:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2024-11-23 22:48:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:48:11,534 INFO L225 Difference]: With dead ends: 223 [2024-11-23 22:48:11,534 INFO L226 Difference]: Without dead ends: 149 [2024-11-23 22:48:11,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:48:11,536 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 98 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:48:11,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 290 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-23 22:48:11,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-23 22:48:11,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2024-11-23 22:48:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:48:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2024-11-23 22:48:11,573 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 153 [2024-11-23 22:48:11,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:48:11,574 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2024-11-23 22:48:11,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:48:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2024-11-23 22:48:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:48:11,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:48:11,577 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:48:11,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-23 22:48:11,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 22:48:11,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:48:11,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:48:11,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:48:11,979 INFO L85 PathProgramCache]: Analyzing trace with hash -16406676, now seen corresponding path program 1 times [2024-11-23 22:48:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:48:11,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205083671] [2024-11-23 22:48:11,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:48:11,980 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 [2024-11-23 22:48:11,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:48:11,982 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:48:11,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 22:48:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:48:12,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:48:12,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:48:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-23 22:48:16,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:48:18,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:48:18,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205083671] [2024-11-23 22:48:18,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205083671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:48:18,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1541001767] [2024-11-23 22:48:18,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:48:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 22:48:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 22:48:18,094 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 22:48:18,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-23 22:48:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:48:19,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 22:48:19,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:48:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-23 22:48:22,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:48:23,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1541001767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:48:23,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:48:23,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2024-11-23 22:48:23,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422385510] [2024-11-23 22:48:23,486 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:48:23,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 22:48:23,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:48:23,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 22:48:23,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:48:23,488 INFO L87 Difference]: Start difference. First operand 147 states and 216 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-23 22:48:30,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:34,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:38,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:42,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:45,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:49,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:53,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:56,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:48:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:48:56,609 INFO L93 Difference]: Finished difference Result 389 states and 566 transitions. [2024-11-23 22:48:56,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 22:48:56,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 153 [2024-11-23 22:48:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:48:56,644 INFO L225 Difference]: With dead ends: 389 [2024-11-23 22:48:56,644 INFO L226 Difference]: Without dead ends: 245 [2024-11-23 22:48:56,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=232, Invalid=418, Unknown=0, NotChecked=0, Total=650 [2024-11-23 22:48:56,646 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 85 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 62 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:48:56,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 633 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 341 Invalid, 6 Unknown, 0 Unchecked, 32.4s Time] [2024-11-23 22:48:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-23 22:48:56,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 204. [2024-11-23 22:48:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 126 states have internal predecessors, (154), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-23 22:48:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 292 transitions. [2024-11-23 22:48:56,682 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 292 transitions. Word has length 153 [2024-11-23 22:48:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:48:56,682 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 292 transitions. [2024-11-23 22:48:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-23 22:48:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2024-11-23 22:48:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:48:56,685 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:48:56,685 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:48:56,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-23 22:48:56,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 22:48:57,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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 [2024-11-23 22:48:57,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:48:57,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:48:57,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2010551382, now seen corresponding path program 1 times [2024-11-23 22:48:57,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:48:57,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295730566] [2024-11-23 22:48:57,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:48:57,087 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 [2024-11-23 22:48:57,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:48:57,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:48:57,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-23 22:48:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:48:57,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:48:57,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:48:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-23 22:48:59,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:49:01,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:49:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295730566] [2024-11-23 22:49:01,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295730566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:49:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [232519288] [2024-11-23 22:49:01,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:49:01,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 22:49:01,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 22:49:01,107 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 22:49:01,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-23 22:49:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:49:02,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 22:49:02,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:49:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-23 22:49:04,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:49:05,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [232519288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:49:05,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:49:05,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-11-23 22:49:05,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054645101] [2024-11-23 22:49:05,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:49:05,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:49:05,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:49:05,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:49:05,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:49:05,972 INFO L87 Difference]: Start difference. First operand 204 states and 292 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:49:11,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:15,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:19,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:22,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:26,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:30,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:33,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:38,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:42,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:44,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:49:45,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:49:45,022 INFO L93 Difference]: Finished difference Result 462 states and 663 transitions. [2024-11-23 22:49:45,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 22:49:45,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 153 [2024-11-23 22:49:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:49:45,060 INFO L225 Difference]: With dead ends: 462 [2024-11-23 22:49:45,060 INFO L226 Difference]: Without dead ends: 318 [2024-11-23 22:49:45,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-23 22:49:45,062 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 107 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 66 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:49:45,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 487 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 203 Invalid, 7 Unknown, 0 Unchecked, 38.7s Time] [2024-11-23 22:49:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-23 22:49:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 284. [2024-11-23 22:49:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 179 states have (on average 1.2402234636871508) internal successors, (222), 179 states have internal predecessors, (222), 92 states have call successors, (92), 12 states have call predecessors, (92), 12 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-23 22:49:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 406 transitions. [2024-11-23 22:49:45,102 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 406 transitions. Word has length 153 [2024-11-23 22:49:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:49:45,102 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 406 transitions. [2024-11-23 22:49:45,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:49:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 406 transitions. [2024-11-23 22:49:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:49:45,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:49:45,105 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:49:45,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-23 22:49:45,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-23 22:49:45,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 22:49:45,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:49:45,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:49:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash 696068012, now seen corresponding path program 1 times [2024-11-23 22:49:45,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:49:45,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237804739] [2024-11-23 22:49:45,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:49:45,507 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 [2024-11-23 22:49:45,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:49:45,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/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) [2024-11-23 22:49:45,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-23 22:49:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:49:46,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 22:49:46,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:51:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 159 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-23 22:51:52,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:53:25,443 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237804739] [2024-11-23 22:53:25,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237804739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:53:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1834112197] [2024-11-23 22:53:25,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:25,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 22:53:25,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 22:53:25,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 22:53:25,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-23 22:53:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:30,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 22:53:30,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:56:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 159 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-23 22:56:17,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:56:56,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1834112197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:56:56,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 22:56:56,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 30 [2024-11-23 22:56:56,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708909057] [2024-11-23 22:56:56,512 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 22:56:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-23 22:56:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:56:56,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-23 22:56:56,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1283, Unknown=22, NotChecked=0, Total=1560 [2024-11-23 22:56:56,515 INFO L87 Difference]: Start difference. First operand 284 states and 406 transitions. Second operand has 30 states, 30 states have (on average 2.4) internal successors, (72), 28 states have internal predecessors, (72), 6 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-23 22:57:09,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:13,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:19,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:20,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:25,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:26,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:42,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:46,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:51,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:57:52,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:12,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-23 22:58:13,403 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-23 22:58:13,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-23 22:58:13,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 284.7s TimeCoverageRelationStatistics Valid=331, Invalid=1453, Unknown=22, NotChecked=0, Total=1806 [2024-11-23 22:58:13,405 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:58:13,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 35 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 6 Unknown, 0 Unchecked, 38.8s Time] [2024-11-23 22:58:13,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 22:58:13,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-23 22:58:13,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 22:58:13,808 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:388) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:447) at java.base/java.io.OutputStream.write(OutputStream.java:167) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:125) at java.base/java.io.BufferedOutputStream.implFlush(BufferedOutputStream.java:252) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:246) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:412) at java.base/sun.nio.cs.StreamEncoder.lockedFlush(StreamEncoder.java:214) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:201) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:262) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:372) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-23 22:58:13,813 INFO L158 Benchmark]: Toolchain (without parser) took 643711.26ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 60.3MB in the beginning and 47.4MB in the end (delta: 12.9MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-23 22:58:13,813 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:58:13,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.29ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:58:13,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.85ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:58:13,814 INFO L158 Benchmark]: Boogie Preprocessor took 92.49ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 37.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:58:13,814 INFO L158 Benchmark]: RCFGBuilder took 6900.92ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 52.4MB in the end (delta: -14.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-23 22:58:13,814 INFO L158 Benchmark]: TraceAbstraction took 636231.28ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 51.9MB in the beginning and 47.4MB in the end (delta: 4.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-23 22:58:13,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.29ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 44.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.85ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.6MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.49ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 37.9MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6900.92ms. Allocated memory is still 83.9MB. Free memory was 37.9MB in the beginning and 52.4MB in the end (delta: -14.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 636231.28ms. Allocated memory was 83.9MB in the beginning and 92.3MB in the end (delta: 8.4MB). Free memory was 51.9MB in the beginning and 47.4MB in the end (delta: 4.5MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7171ad-2692-4d14-8c51-2ee53a73d678/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken