./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 04:57:12,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:57:12,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:57:12,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:57:12,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:57:12,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:57:12,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:57:12,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:57:12,484 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:57:12,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:57:12,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:57:12,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:57:12,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:57:12,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:57:12,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:57:12,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:12,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:12,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:57:12,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:12,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:57:12,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:57:12,489 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:57:12,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:57:12,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:57:12,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:57:12,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:57:12,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:57:12,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:57:12,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:57:12,490 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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:57:12,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:57:12,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:57:12,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:57:12,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:57:12,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:57:12,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:57:15,827 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/02a770b31/d1e0552581ed4f129c0ae784ffb92b7b/FLAG0518e9815 [2024-11-28 04:57:16,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:57:16,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:57:16,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/02a770b31/d1e0552581ed4f129c0ae784ffb92b7b/FLAG0518e9815 [2024-11-28 04:57:16,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/02a770b31/d1e0552581ed4f129c0ae784ffb92b7b [2024-11-28 04:57:16,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:57:16,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:57:16,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:16,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:57:16,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:57:16,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a8a310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16, skipping insertion in model container [2024-11-28 04:57:16,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:57:16,456 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_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-28 04:57:16,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:16,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:57:16,554 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_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-28 04:57:16,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:57:16,660 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:57:16,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16 WrapperNode [2024-11-28 04:57:16,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:57:16,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:16,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:57:16,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:57:16,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,717 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-28 04:57:16,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:57:16,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:57:16,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:57:16,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:57:16,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,746 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]. [2024-11-28 04:57:16,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:57:16,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:57:16,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:57:16,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:57:16,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (1/1) ... [2024-11-28 04:57:16,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:57:16,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:16,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:57:16,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:57:16,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:57:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:57:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:57:16,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:57:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:57:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:57:16,933 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:57:16,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:57:17,401 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 04:57:17,402 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:57:17,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:57:17,418 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:57:17,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:17 BoogieIcfgContainer [2024-11-28 04:57:17,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:57:17,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:57:17,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:57:17,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:57:17,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:57:16" (1/3) ... [2024-11-28 04:57:17,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4991a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:17, skipping insertion in model container [2024-11-28 04:57:17,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:57:16" (2/3) ... [2024-11-28 04:57:17,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4991a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:57:17, skipping insertion in model container [2024-11-28 04:57:17,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:17" (3/3) ... [2024-11-28 04:57:17,429 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:57:17,446 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:57:17,447 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. [2024-11-28 04:57:17,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:57:17,540 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;@4e02418e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:57:17,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:57:17,545 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) [2024-11-28 04:57:17,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:57:17,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:17,562 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] [2024-11-28 04:57:17,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:17,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:17,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2024-11-28 04:57:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:17,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934685099] [2024-11-28 04:57:17,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:57:18,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:18,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934685099] [2024-11-28 04:57:18,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934685099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:18,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559152822] [2024-11-28 04:57:18,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:18,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:18,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:18,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:57:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:18,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:57:18,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:57:18,377 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:57:18,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559152822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:18,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:57:18,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:57:18,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856196089] [2024-11-28 04:57:18,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:18,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:57:18,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:18,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:57:18,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:57:18,416 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) [2024-11-28 04:57:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:18,458 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2024-11-28 04:57:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:57:18,461 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 [2024-11-28 04:57:18,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:18,474 INFO L225 Difference]: With dead ends: 147 [2024-11-28 04:57:18,475 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 04:57:18,480 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 [2024-11-28 04:57:18,485 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 [2024-11-28 04:57:18,486 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] [2024-11-28 04:57:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 04:57:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 04:57:18,536 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) [2024-11-28 04:57:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-28 04:57:18,548 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2024-11-28 04:57:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:18,548 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-28 04:57:18,549 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) [2024-11-28 04:57:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-28 04:57:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:57:18,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:18,557 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] [2024-11-28 04:57:18,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:57:18,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:57:18,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:18,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:18,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2024-11-28 04:57:18,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:18,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607107206] [2024-11-28 04:57:18,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:18,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:57:19,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607107206] [2024-11-28 04:57:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607107206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:19,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:19,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:57:19,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080507766] [2024-11-28 04:57:19,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:19,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:57:19,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:19,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:57:19,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:57:19,171 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) [2024-11-28 04:57:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:19,262 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2024-11-28 04:57:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:57:19,263 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 [2024-11-28 04:57:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:19,265 INFO L225 Difference]: With dead ends: 211 [2024-11-28 04:57:19,266 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 04:57:19,266 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 [2024-11-28 04:57:19,267 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 [2024-11-28 04:57:19,268 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] [2024-11-28 04:57:19,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 04:57:19,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-28 04:57:19,291 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) [2024-11-28 04:57:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 213 transitions. [2024-11-28 04:57:19,294 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 213 transitions. Word has length 152 [2024-11-28 04:57:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:19,295 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 213 transitions. [2024-11-28 04:57:19,295 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) [2024-11-28 04:57:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2024-11-28 04:57:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:57:19,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:19,298 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] [2024-11-28 04:57:19,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:57:19,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:19,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:19,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1777900091, now seen corresponding path program 1 times [2024-11-28 04:57:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802069625] [2024-11-28 04:57:19,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:19,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:57:21,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:21,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802069625] [2024-11-28 04:57:21,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802069625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:57:21,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:57:21,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:57:21,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265784715] [2024-11-28 04:57:21,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:57:21,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:57:21,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:21,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:57:21,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:57:21,026 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) [2024-11-28 04:57:21,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:21,504 INFO L93 Difference]: Finished difference Result 373 states and 569 transitions. [2024-11-28 04:57:21,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:57:21,506 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 [2024-11-28 04:57:21,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:21,510 INFO L225 Difference]: With dead ends: 373 [2024-11-28 04:57:21,511 INFO L226 Difference]: Without dead ends: 237 [2024-11-28 04:57:21,514 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 [2024-11-28 04:57:21,515 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 166 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-28 04:57:21,516 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] [2024-11-28 04:57:21,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-28 04:57:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 211. [2024-11-28 04:57:21,556 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) [2024-11-28 04:57:21,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 323 transitions. [2024-11-28 04:57:21,566 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 323 transitions. Word has length 152 [2024-11-28 04:57:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:21,567 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 323 transitions. [2024-11-28 04:57:21,567 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) [2024-11-28 04:57:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 323 transitions. [2024-11-28 04:57:21,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:57:21,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:21,575 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] [2024-11-28 04:57:21,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:57:21,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:21,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash 189552189, now seen corresponding path program 1 times [2024-11-28 04:57:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:21,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220391009] [2024-11-28 04:57:21,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-28 04:57:22,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:22,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220391009] [2024-11-28 04:57:22,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220391009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:22,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004329339] [2024-11-28 04:57:22,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:22,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:22,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:22,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:22,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:57:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:22,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:57:22,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-28 04:57:22,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:57:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-28 04:57:22,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004329339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:57:22,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:57:22,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 04:57:22,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271948146] [2024-11-28 04:57:22,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:57:22,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:57:22,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:22,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:57:22,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:57:22,736 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) [2024-11-28 04:57:23,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:23,088 INFO L93 Difference]: Finished difference Result 445 states and 666 transitions. [2024-11-28 04:57:23,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:57:23,091 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 [2024-11-28 04:57:23,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:23,094 INFO L225 Difference]: With dead ends: 445 [2024-11-28 04:57:23,094 INFO L226 Difference]: Without dead ends: 237 [2024-11-28 04:57:23,097 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 [2024-11-28 04:57:23,098 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 [2024-11-28 04:57:23,099 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] [2024-11-28 04:57:23,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-28 04:57:23,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 223. [2024-11-28 04:57:23,178 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) [2024-11-28 04:57:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2024-11-28 04:57:23,184 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 152 [2024-11-28 04:57:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2024-11-28 04:57:23,185 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) [2024-11-28 04:57:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2024-11-28 04:57:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:57:23,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:23,190 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] [2024-11-28 04:57:23,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:57:23,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-28 04:57:23,395 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:23,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:23,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1604754578, now seen corresponding path program 1 times [2024-11-28 04:57:23,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:23,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222424791] [2024-11-28 04:57:23,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:23,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-28 04:57:23,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:23,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222424791] [2024-11-28 04:57:23,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222424791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:23,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272254606] [2024-11-28 04:57:23,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:23,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:23,968 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:23,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:57:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:24,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:57:24,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-28 04:57:25,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:57:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-28 04:57:25,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272254606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:57:25,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:57:25,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-28 04:57:25,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009021500] [2024-11-28 04:57:25,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:57:25,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:57:25,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:57:25,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:57:25,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:57:25,515 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) [2024-11-28 04:57:26,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:57:26,573 INFO L93 Difference]: Finished difference Result 670 states and 976 transitions. [2024-11-28 04:57:26,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:57:26,574 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 [2024-11-28 04:57:26,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:57:26,581 INFO L225 Difference]: With dead ends: 670 [2024-11-28 04:57:26,581 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 04:57:26,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:57:26,583 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, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:57:26,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:57:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 04:57:26,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 280. [2024-11-28 04:57:26,652 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) [2024-11-28 04:57:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 403 transitions. [2024-11-28 04:57:26,656 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 403 transitions. Word has length 153 [2024-11-28 04:57:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:57:26,656 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 403 transitions. [2024-11-28 04:57:26,657 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) [2024-11-28 04:57:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 403 transitions. [2024-11-28 04:57:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:57:26,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:57:26,659 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] [2024-11-28 04:57:26,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:57:26,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:26,864 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:57:26,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:57:26,864 INFO L85 PathProgramCache]: Analyzing trace with hash 696068012, now seen corresponding path program 1 times [2024-11-28 04:57:26,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:57:26,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487049023] [2024-11-28 04:57:26,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:57:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 141 proven. 129 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-11-28 04:57:44,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:57:44,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487049023] [2024-11-28 04:57:44,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487049023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:57:44,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135090946] [2024-11-28 04:57:44,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:57:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:57:44,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:57:44,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:57:44,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:57:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:57:44,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 04:57:44,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:57:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 537 proven. 183 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-28 04:57:48,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:58:06,027 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:58:13,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135090946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:58:13,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:58:13,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30] total 50 [2024-11-28 04:58:13,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584225555] [2024-11-28 04:58:13,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:58:13,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-28 04:58:13,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:13,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-28 04:58:13,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=3264, Unknown=1, NotChecked=0, Total=3660 [2024-11-28 04:58:13,944 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) [2024-11-28 04:58:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:58:56,171 INFO L93 Difference]: Finished difference Result 1301 states and 1775 transitions. [2024-11-28 04:58:56,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-11-28 04:58:56,172 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 [2024-11-28 04:58:56,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:58:56,178 INFO L225 Difference]: With dead ends: 1301 [2024-11-28 04:58:56,179 INFO L226 Difference]: Without dead ends: 1157 [2024-11-28 04:58:56,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16795 ImplicationChecksByTransitivity, 48.7s TimeCoverageRelationStatistics Valid=6365, Invalid=42696, Unknown=1, NotChecked=0, Total=49062 [2024-11-28 04:58:56,191 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 [2024-11-28 04:58:56,191 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] [2024-11-28 04:58:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2024-11-28 04:58:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 573. [2024-11-28 04:58:56,328 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) [2024-11-28 04:58:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 782 transitions. [2024-11-28 04:58:56,333 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 782 transitions. Word has length 153 [2024-11-28 04:58:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:58:56,334 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 782 transitions. [2024-11-28 04:58:56,335 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) [2024-11-28 04:58:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 782 transitions. [2024-11-28 04:58:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:58:56,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:56,338 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] [2024-11-28 04:58:56,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:58:56,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 04:58:56,539 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:58:56,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash 303041002, now seen corresponding path program 1 times [2024-11-28 04:58:56,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:56,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319547685] [2024-11-28 04:58:56,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:58:56,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959531694] [2024-11-28 04:58:56,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:56,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:56,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:56,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:58:56,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:58:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:58:57,030 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:58:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:58:57,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:58:57,222 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:58:57,223 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:58:57,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:58:57,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:58:57,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:58:57,595 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:58:57,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:58:57 BoogieIcfgContainer [2024-11-28 04:58:57,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:58:57,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:58:57,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:58:57,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:58:57,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:57:17" (3/4) ... [2024-11-28 04:58:57,605 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:58:57,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:58:57,608 INFO L158 Benchmark]: Toolchain (without parser) took 101349.13ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 94.5MB in the beginning and 567.3MB in the end (delta: -472.8MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-11-28 04:58:57,608 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 142.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:57,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.05ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 79.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:58:57,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.41ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:57,609 INFO L158 Benchmark]: Boogie Preprocessor took 46.34ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:57,609 INFO L158 Benchmark]: RCFGBuilder took 649.95ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 50.7MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:58:57,609 INFO L158 Benchmark]: TraceAbstraction took 100179.94ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 50.1MB in the beginning and 567.4MB in the end (delta: -517.3MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2024-11-28 04:58:57,609 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 729.8MB. Free memory was 567.4MB in the beginning and 567.3MB in the end (delta: 149.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:58:57,613 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 142.6MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.05ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 79.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.41ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.34ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.0MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 649.95ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 50.7MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 100179.94ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 50.1MB in the beginning and 567.4MB in the end (delta: -517.3MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 729.8MB. Free memory was 567.4MB in the beginning and 567.3MB in the end (delta: 149.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 153, overapproximation of someBinaryFLOATComparisonOperation at line 66, 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: 99.9s, OverallIterations: 7, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 44.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4156 SdHoareTripleChecker+Valid, 9.0s 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, 16908 ImplicationChecksByTransitivity, 49.2s 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, 2.1s SatisfiabilityAnalysisTime, 50.8s 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 [2024-11-28 04:58:57,831 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 04:58:57,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 04:59:00,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:59:00,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:59:00,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:59:00,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:59:00,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:59:00,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:59:00,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:59:00,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:59:00,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:59:00,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:59:00,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:59:00,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:59:00,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:59:00,255 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:59:00,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:59:00,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:59:00,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:59:00,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:59:00,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:59:00,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:59:00,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:59:00,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:59:00,258 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:00,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:00,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:59:00,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:59:00,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:59:00,259 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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:59:00,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:59:00,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:59:00,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:59:00,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:59:00,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:59:00,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:59:03,563 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/2cd0b596c/3c7f36dc6fa141a4ae1547ab78bd64b4/FLAG31953b96f [2024-11-28 04:59:03,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:59:03,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:59:03,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/2cd0b596c/3c7f36dc6fa141a4ae1547ab78bd64b4/FLAG31953b96f [2024-11-28 04:59:03,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/data/2cd0b596c/3c7f36dc6fa141a4ae1547ab78bd64b4 [2024-11-28 04:59:03,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:59:03,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:59:03,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:03,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:59:03,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:59:03,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:03" (1/1) ... [2024-11-28 04:59:03,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f233187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:03, skipping insertion in model container [2024-11-28 04:59:03,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:03" (1/1) ... [2024-11-28 04:59:03,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:59:04,162 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_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-28 04:59:04,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:04,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:59:04,312 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_984172ae-2b27-4b8b-8247-d8c573d442f0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-98.i[916,929] [2024-11-28 04:59:04,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:04,410 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:59:04,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04 WrapperNode [2024-11-28 04:59:04,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:04,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:04,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:59:04,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:59:04,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,460 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-28 04:59:04,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:04,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:59:04,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:59:04,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:59:04,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,492 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]. [2024-11-28 04:59:04,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:59:04,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:59:04,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:59:04,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:59:04,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (1/1) ... [2024-11-28 04:59:04,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:04,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:59:04,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:59:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:59:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:59:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:59:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:59:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:59:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:59:04,683 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:59:04,685 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:59:11,766 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 04:59:11,767 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:59:11,780 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:59:11,780 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:59:11,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:11 BoogieIcfgContainer [2024-11-28 04:59:11,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:59:11,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:59:11,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:59:11,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:59:11,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:59:03" (1/3) ... [2024-11-28 04:59:11,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b382fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:11, skipping insertion in model container [2024-11-28 04:59:11,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:04" (2/3) ... [2024-11-28 04:59:11,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b382fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:11, skipping insertion in model container [2024-11-28 04:59:11,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:11" (3/3) ... [2024-11-28 04:59:11,795 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-98.i [2024-11-28 04:59:11,811 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:59:11,813 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. [2024-11-28 04:59:11,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:59:11,893 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;@7914736c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:59:11,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:59:11,897 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) [2024-11-28 04:59:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:59:11,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:11,913 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] [2024-11-28 04:59:11,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:11,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:11,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1937717717, now seen corresponding path program 1 times [2024-11-28 04:59:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:59:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110799739] [2024-11-28 04:59:11,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:11,928 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 [2024-11-28 04:59:11,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:59:11,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:59:11,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:12,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:59:12,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-28 04:59:12,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:12,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:59:12,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110799739] [2024-11-28 04:59:12,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110799739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:12,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:12,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:59:12,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552268187] [2024-11-28 04:59:12,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:12,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:59:12,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:59:12,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:59:12,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:59:12,696 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) [2024-11-28 04:59:12,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:12,722 INFO L93 Difference]: Finished difference Result 147 states and 255 transitions. [2024-11-28 04:59:12,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:59:12,724 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 [2024-11-28 04:59:12,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:12,733 INFO L225 Difference]: With dead ends: 147 [2024-11-28 04:59:12,734 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 04:59:12,739 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 [2024-11-28 04:59:12,743 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 [2024-11-28 04:59:12,747 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] [2024-11-28 04:59:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 04:59:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 04:59:12,793 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) [2024-11-28 04:59:12,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-28 04:59:12,802 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 152 [2024-11-28 04:59:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:12,804 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-28 04:59:12,806 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) [2024-11-28 04:59:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-28 04:59:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 04:59:12,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:12,810 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] [2024-11-28 04:59:12,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:13,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:13,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:13,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:13,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2892729, now seen corresponding path program 1 times [2024-11-28 04:59:13,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:59:13,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576191566] [2024-11-28 04:59:13,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:13,013 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 [2024-11-28 04:59:13,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:59:13,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:59:13,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:13,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:59:13,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-28 04:59:14,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-28 04:59:15,205 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:59:15,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576191566] [2024-11-28 04:59:15,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576191566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:59:15,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:59:15,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-28 04:59:15,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606992044] [2024-11-28 04:59:15,206 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:59:15,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:59:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:59:15,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:59:15,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:59:15,209 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) [2024-11-28 04:59:20,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:59:23,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:59:23,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:23,951 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2024-11-28 04:59:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:59:23,999 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 [2024-11-28 04:59:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:24,002 INFO L225 Difference]: With dead ends: 151 [2024-11-28 04:59:24,002 INFO L226 Difference]: Without dead ends: 81 [2024-11-28 04:59:24,003 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 [2024-11-28 04:59:24,004 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 117 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:24,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 195 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2024-11-28 04:59:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-28 04:59:24,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2024-11-28 04:59:24,019 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) [2024-11-28 04:59:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-11-28 04:59:24,021 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 152 [2024-11-28 04:59:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:24,022 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-11-28 04:59:24,022 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) [2024-11-28 04:59:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-11-28 04:59:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:59:24,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:24,026 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] [2024-11-28 04:59:24,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:59:24,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:24,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:24,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:24,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1791414038, now seen corresponding path program 1 times [2024-11-28 04:59:24,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:59:24,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226045751] [2024-11-28 04:59:24,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:24,228 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 [2024-11-28 04:59:24,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:59:24,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:59:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:24,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:59:24,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-28 04:59:31,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:32,363 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:59:32,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226045751] [2024-11-28 04:59:32,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226045751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:32,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2112941074] [2024-11-28 04:59:32,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:32,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:59:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:59:32,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:59:32,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-28 04:59:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:32,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:59:32,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:59:33,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:33,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2112941074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:33,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:33,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-28 04:59:33,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103929004] [2024-11-28 04:59:33,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:33,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:33,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:59:33,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:33,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:59:33,070 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) [2024-11-28 04:59:37,460 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 [] [2024-11-28 04:59:41,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:59:42,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:42,023 INFO L93 Difference]: Finished difference Result 223 states and 329 transitions. [2024-11-28 04:59:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:42,024 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 [2024-11-28 04:59:42,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:42,031 INFO L225 Difference]: With dead ends: 223 [2024-11-28 04:59:42,031 INFO L226 Difference]: Without dead ends: 149 [2024-11-28 04:59:42,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:59:42,033 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 98 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:42,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 290 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2024-11-28 04:59:42,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-28 04:59:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2024-11-28 04:59:42,065 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) [2024-11-28 04:59:42,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2024-11-28 04:59:42,068 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 153 [2024-11-28 04:59:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:42,069 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2024-11-28 04:59:42,069 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) [2024-11-28 04:59:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2024-11-28 04:59:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 04:59:42,071 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:42,072 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] [2024-11-28 04:59:42,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-28 04:59:42,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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)] Forceful destruction successful, exit code 0 [2024-11-28 04:59:42,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:42,473 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:42,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:42,473 INFO L85 PathProgramCache]: Analyzing trace with hash -16406676, now seen corresponding path program 1 times [2024-11-28 04:59:42,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:59:42,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294436516] [2024-11-28 04:59:42,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:42,474 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 [2024-11-28 04:59:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:59:42,477 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:59:42,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:59:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:43,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:59:43,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 391 proven. 96 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-28 04:59:47,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:49,069 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:59:49,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294436516] [2024-11-28 04:59:49,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294436516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:49,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [715025369] [2024-11-28 04:59:49,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:49,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:59:49,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:59:49,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:59:49,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-28 04:59:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:50,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:59:50,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 372 proven. 51 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-28 04:59:53,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:54,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [715025369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:54,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:59:54,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2024-11-28 04:59:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601180899] [2024-11-28 04:59:54,500 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:59:54,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:59:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:59:54,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:59:54,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:59:54,503 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) [2024-11-28 04:59:57,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:02,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:06,905 WARN L539 Checker$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 [] [2024-11-28 05:00:10,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:14,912 WARN L539 Checker$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 [] [2024-11-28 05:00:18,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:23,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:27,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:31,211 WARN L539 Checker$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 [] [2024-11-28 05:00:35,214 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 [] [2024-11-28 05:00:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:35,215 INFO L93 Difference]: Finished difference Result 389 states and 566 transitions. [2024-11-28 05:00:35,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:00:35,248 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 [2024-11-28 05:00:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:35,252 INFO L225 Difference]: With dead ends: 389 [2024-11-28 05:00:35,252 INFO L226 Difference]: Without dead ends: 245 [2024-11-28 05:00:35,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=232, Invalid=418, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:00:35,256 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 85 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 62 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:35,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 633 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 339 Invalid, 8 Unknown, 0 Unchecked, 40.0s Time] [2024-11-28 05:00:35,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-28 05:00:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 204. [2024-11-28 05:00:35,311 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) [2024-11-28 05:00:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 292 transitions. [2024-11-28 05:00:35,314 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 292 transitions. Word has length 153 [2024-11-28 05:00:35,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:35,319 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 292 transitions. [2024-11-28 05:00:35,319 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) [2024-11-28 05:00:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 292 transitions. [2024-11-28 05:00:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 05:00:35,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:35,321 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] [2024-11-28 05:00:35,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:00:35,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-28 05:00:35,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 05:00:35,722 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:35,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:35,723 INFO L85 PathProgramCache]: Analyzing trace with hash -2010551382, now seen corresponding path program 1 times [2024-11-28 05:00:35,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:35,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725586712] [2024-11-28 05:00:35,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:35,723 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 [2024-11-28 05:00:35,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:35,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:00:35,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:00:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:36,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:00:36,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-28 05:00:38,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:00:39,704 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:00:39,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725586712] [2024-11-28 05:00:39,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725586712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:39,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [677971622] [2024-11-28 05:00:39,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:39,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 05:00:39,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 05:00:39,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 05:00:39,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-28 05:00:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:41,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:00:41,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 456 proven. 45 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-11-28 05:00:43,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:00:44,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [677971622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:44,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:00:44,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-11-28 05:00:44,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904479488] [2024-11-28 05:00:44,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:00:44,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:00:44,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:00:44,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:00:44,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:00:44,575 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) [2024-11-28 05:00:49,998 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 [] [2024-11-28 05:00:54,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:00:58,005 WARN L539 Checker$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 [] [2024-11-28 05:01:00,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:04,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:07,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:12,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:16,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:18,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 05:01:18,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:18,460 INFO L93 Difference]: Finished difference Result 462 states and 663 transitions. [2024-11-28 05:01:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:01:18,497 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 [2024-11-28 05:01:18,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:18,500 INFO L225 Difference]: With dead ends: 462 [2024-11-28 05:01:18,500 INFO L226 Difference]: Without dead ends: 318 [2024-11-28 05:01:18,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:01:18,502 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 107 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 66 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:18,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 487 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 203 Invalid, 6 Unknown, 0 Unchecked, 33.5s Time] [2024-11-28 05:01:18,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-28 05:01:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 284. [2024-11-28 05:01:18,535 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) [2024-11-28 05:01:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 406 transitions. [2024-11-28 05:01:18,539 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 406 transitions. Word has length 153 [2024-11-28 05:01:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:18,539 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 406 transitions. [2024-11-28 05:01:18,539 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) [2024-11-28 05:01:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 406 transitions. [2024-11-28 05:01:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 05:01:18,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:18,542 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] [2024-11-28 05:01:18,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-28 05:01:18,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-28 05:01:18,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:01:18,943 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:18,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash 696068012, now seen corresponding path program 1 times [2024-11-28 05:01:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:01:18,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682315626] [2024-11-28 05:01:18,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:18,944 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 [2024-11-28 05:01:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:01:18,945 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 05:01:18,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:01:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:19,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:01:19,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 159 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-28 05:03:23,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:04:39,752 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:04:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682315626] [2024-11-28 05:04:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682315626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:04:39,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1951520776] [2024-11-28 05:04:39,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:39,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 05:04:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 05:04:39,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 05:04:39,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-28 05:04:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:44,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 05:04:44,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 159 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2024-11-28 05:07:08,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:45,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1951520776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:45,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:07:45,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 30 [2024-11-28 05:07:45,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848420958] [2024-11-28 05:07:45,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:45,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 05:07:45,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:07:45,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 05:07:45,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1283, Unknown=22, NotChecked=0, Total=1560 [2024-11-28 05:07:45,947 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) [2024-11-28 05:07:58,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:03,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:04,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:09,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:10,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:12,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:16,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:08:28,313 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-28 05:08:28,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-28 05:08:28,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:28,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 240.6s TimeCoverageRelationStatistics Valid=276, Invalid=1342, Unknown=22, NotChecked=0, Total=1640 [2024-11-28 05:08:28,315 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 16 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:28,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 35 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 21.7s Time] [2024-11-28 05:08:28,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 05:08:28,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-28 05:08:28,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 05:08:28,718 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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) 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.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.callSuccessors(TotalizeNwa.java:293) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.callSuccessors(ComplementDeterministicNwa.java:131) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:254) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addCallsAndSuccessors(NestedWordAutomatonReachableStates.java:1082) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:961) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:376) 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: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 48 more [2024-11-28 05:08:28,723 INFO L158 Benchmark]: Toolchain (without parser) took 564774.80ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 92.6MB in the beginning and 146.4MB in the end (delta: -53.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-28 05:08:28,724 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:08:28,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.48ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:08:28,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.25ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:08:28,725 INFO L158 Benchmark]: Boogie Preprocessor took 55.68ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 70.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:08:28,725 INFO L158 Benchmark]: RCFGBuilder took 7263.81ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 47.9MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:08:28,726 INFO L158 Benchmark]: TraceAbstraction took 556938.43ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.4MB in the beginning and 146.4MB in the end (delta: -99.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-28 05:08:28,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.48ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.25ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.68ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 70.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7263.81ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 47.9MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 556938.43ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 47.4MB in the beginning and 146.4MB in the end (delta: -99.0MB). Peak memory consumption was 35.0MB. 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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) 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_984172ae-2b27-4b8b-8247-d8c573d442f0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")