./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0177e90d070972ca52b9fa04613ebb53ecd8133d0210186e26b35ee415591bc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:52,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:52,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:33:52,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:52,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:52,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:52,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:52,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:52,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:52,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:52,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:33:52,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:33:52,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:52,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:52,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:52,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:52,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:33:52,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:33:52,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:33:52,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:52,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:52,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:52,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:33:52,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:52,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:52,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:52,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:33:52,758 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:33:52,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:33:52,759 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_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0177e90d070972ca52b9fa04613ebb53ecd8133d0210186e26b35ee415591bc2 [2024-11-24 00:33:53,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:53,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:53,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:53,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:53,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:53,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i [2024-11-24 00:33:56,047 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/b143e89c5/576b913a9f554bada476eb2f736b842f/FLAG1887b7890 [2024-11-24 00:33:56,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:56,304 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i [2024-11-24 00:33:56,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/b143e89c5/576b913a9f554bada476eb2f736b842f/FLAG1887b7890 [2024-11-24 00:33:56,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/b143e89c5/576b913a9f554bada476eb2f736b842f [2024-11-24 00:33:56,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:56,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:56,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:56,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:56,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:56,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5778303a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56, skipping insertion in model container [2024-11-24 00:33:56,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:33:56,509 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_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i[915,928] [2024-11-24 00:33:56,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:56,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:33:56,598 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_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i[915,928] [2024-11-24 00:33:56,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:56,641 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:33:56,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56 WrapperNode [2024-11-24 00:33:56,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:56,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:56,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:33:56,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:33:56,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,697 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-24 00:33:56,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:56,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:33:56,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:33:56,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:33:56,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,749 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:33:56,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:33:56,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:33:56,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:33:56,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:33:56,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (1/1) ... [2024-11-24 00:33:56,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:56,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:56,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:56,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:33:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:33:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:33:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:33:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:33:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:33:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:33:56,951 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:33:56,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:33:57,364 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:33:57,365 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:33:57,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:33:57,381 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:33:57,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:57 BoogieIcfgContainer [2024-11-24 00:33:57,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:33:57,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:33:57,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:33:57,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:33:57,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:56" (1/3) ... [2024-11-24 00:33:57,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d63a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:57, skipping insertion in model container [2024-11-24 00:33:57,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:56" (2/3) ... [2024-11-24 00:33:57,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d63a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:57, skipping insertion in model container [2024-11-24 00:33:57,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:57" (3/3) ... [2024-11-24 00:33:57,393 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-29.i [2024-11-24 00:33:57,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:33:57,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-29.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:33:57,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:33:57,484 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;@3da01bf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:33:57,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:33:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:33:57,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:33:57,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:57,509 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:57,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:57,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:57,517 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2024-11-24 00:33:57,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:57,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152171833] [2024-11-24 00:33:57,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 00:33:58,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152171833] [2024-11-24 00:33:58,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152171833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:58,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:58,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:33:58,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996783435] [2024-11-24 00:33:58,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:58,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:33:58,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:58,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:33:58,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:58,607 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:33:58,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:58,709 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2024-11-24 00:33:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:33:58,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-11-24 00:33:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:58,726 INFO L225 Difference]: With dead ends: 202 [2024-11-24 00:33:58,727 INFO L226 Difference]: Without dead ends: 133 [2024-11-24 00:33:58,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:58,736 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 51 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:58,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:33:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-24 00:33:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-24 00:33:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:33:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2024-11-24 00:33:58,841 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2024-11-24 00:33:58,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:58,845 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2024-11-24 00:33:58,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:33:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2024-11-24 00:33:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:33:58,850 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:58,850 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:58,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:33:58,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:58,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2024-11-24 00:33:58,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40977756] [2024-11-24 00:33:58,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 00:33:59,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:59,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40977756] [2024-11-24 00:33:59,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40977756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:33:59,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049325807] [2024-11-24 00:33:59,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:59,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:59,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:59,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:33:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:33:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:59,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:33:59,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 929 proven. 12 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-11-24 00:34:00,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:34:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 00:34:00,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049325807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:34:00,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:34:00,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-24 00:34:00,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737590333] [2024-11-24 00:34:00,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:34:00,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:34:00,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:00,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:34:00,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:34:00,657 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) [2024-11-24 00:34:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:01,129 INFO L93 Difference]: Finished difference Result 271 states and 417 transitions. [2024-11-24 00:34:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:34:01,130 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) Word has length 170 [2024-11-24 00:34:01,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:01,134 INFO L225 Difference]: With dead ends: 271 [2024-11-24 00:34:01,137 INFO L226 Difference]: Without dead ends: 143 [2024-11-24 00:34:01,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:34:01,139 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 132 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:01,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 184 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:34:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-24 00:34:01,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2024-11-24 00:34:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:34:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 209 transitions. [2024-11-24 00:34:01,192 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 209 transitions. Word has length 170 [2024-11-24 00:34:01,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:01,198 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 209 transitions. [2024-11-24 00:34:01,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 7 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 7 states have call successors, (68) [2024-11-24 00:34:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 209 transitions. [2024-11-24 00:34:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:34:01,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:01,203 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:01,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:34:01,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:34:01,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:01,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:01,407 INFO L85 PathProgramCache]: Analyzing trace with hash 158292725, now seen corresponding path program 1 times [2024-11-24 00:34:01,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:01,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866033108] [2024-11-24 00:34:01,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:34:01,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924347269] [2024-11-24 00:34:01,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:01,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:34:01,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:34:01,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:34:01,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:34:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:34:01,844 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:34:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:34:02,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:34:02,033 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:34:02,034 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:34:02,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:34:02,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-24 00:34:02,240 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:34:02,396 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:34:02,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:34:02 BoogieIcfgContainer [2024-11-24 00:34:02,401 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:34:02,402 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:34:02,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:34:02,403 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:34:02,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:57" (3/4) ... [2024-11-24 00:34:02,406 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:34:02,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:34:02,407 INFO L158 Benchmark]: Toolchain (without parser) took 6076.49ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 47.2MB in the end (delta: 70.3MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,408 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 98.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.02ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.18ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,408 INFO L158 Benchmark]: Boogie Preprocessor took 85.08ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 98.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,409 INFO L158 Benchmark]: RCFGBuilder took 598.75ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 80.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,409 INFO L158 Benchmark]: TraceAbstraction took 5016.81ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 47.2MB in the end (delta: 32.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,409 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 27.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 98.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.02ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.18ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.08ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 98.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.75ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 80.4MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5016.81ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 47.2MB in the end (delta: 32.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 142.6MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 27.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 0; [L26] signed short int var_1_9 = 0; [L27] signed short int var_1_10 = 8; [L28] signed char var_1_11 = 1; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = -2; [L31] signed char var_1_14 = 8; [L32] signed char var_1_15 = 0; [L33] signed char var_1_16 = 10; [L34] signed char var_1_17 = 32; [L35] unsigned char var_1_18 = 0; [L36] signed char var_1_19 = -1; [L37] signed short int var_1_20 = 100; [L38] signed short int var_1_22 = 29265; [L39] float var_1_23 = 31.6; [L40] float var_1_24 = 9.2; [L41] float var_1_25 = 15.6; [L42] float var_1_26 = 25.25; [L43] unsigned long int var_1_27 = 256; VAL [isInitial=0, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L139] isInitial = 1 [L140] FCALL initially() [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_7=0, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L90] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L92] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L93] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L94] var_1_9 = __VERIFIER_nondet_short() [L95] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L95] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L96] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L96] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L97] var_1_10 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L98] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L99] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L99] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=32, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L100] var_1_12 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L101] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L102] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L102] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=-2, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L103] var_1_13 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L104] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L105] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L105] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=8, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L106] var_1_14 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L107] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L108] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L108] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L109] var_1_15 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L110] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L111] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L111] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=10, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L112] var_1_16 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L114] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L114] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L115] var_1_17 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L117] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L117] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L118] var_1_19 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L119] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L120] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L120] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L121] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=29265, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L122] var_1_22 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_22 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L123] RET assume_abort_if_not(var_1_22 >= 16382) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L124] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_24=46/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L125] var_1_24 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L126] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_25=78/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L127] var_1_25 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L128] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_26=101/4, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L129] var_1_26 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L130] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L143] RET updateVariables() [L144] CALL step() [L47] var_1_8 = (var_1_9 - (2 + var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L48] COND TRUE var_1_22 != var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_23=158/5, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L49] COND TRUE var_1_10 <= var_1_17 [L50] var_1_23 = (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L55] COND TRUE ! ((var_1_9 - var_1_22) > var_1_12) [L56] var_1_27 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L58] COND FALSE !(var_1_23 == var_1_23) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=100, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L63] COND TRUE (- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23) [L64] var_1_20 = ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L68] COND FALSE !(\read(var_1_18)) [L71] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L73] COND TRUE \read(var_1_1) [L74] var_1_11 = (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L144] RET step() [L145] CALL, EXPR property() [L135-L136] return ((((((var_1_18 ? (var_1_1 == ((unsigned char) (((-128 <= var_1_20) || (var_1_23 >= var_1_23)) && var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) && (var_1_8 == ((signed short int) (var_1_9 - (2 + var_1_10))))) && (var_1_1 ? (var_1_11 == ((signed char) (var_1_12 + ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : ((var_1_27 >= var_1_14) ? (var_1_11 == ((signed char) ((var_1_15 + var_1_16) - var_1_17))) : (var_1_7 ? (var_1_11 == ((signed char) var_1_16)) : (var_1_11 == ((signed char) var_1_12)))))) && ((var_1_23 == var_1_23) ? ((var_1_15 >= (var_1_27 / var_1_19)) ? (var_1_18 == ((unsigned char) var_1_7)) : 1) : 1)) && (((- ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))) > (1.625 * var_1_23)) ? (var_1_20 == ((signed short int) ((var_1_22 - (var_1_16 + var_1_15)) - var_1_10))) : (var_1_20 == ((signed short int) var_1_19)))) && ((var_1_22 != var_1_12) ? ((var_1_10 <= var_1_17) ? (var_1_23 == ((float) (var_1_24 + ((((var_1_25) > (var_1_26)) ? (var_1_25) : (var_1_26)))))) : 1) : (var_1_23 == ((float) var_1_25)))) && ((! ((var_1_9 - var_1_22) > var_1_12)) ? (var_1_27 == ((unsigned long int) var_1_15)) : 1) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=-62, var_1_13=63, var_1_14=63, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=16382, var_1_22=16382, var_1_27=0, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 385 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 215 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 244 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 170 mSDtfsCounter, 244 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 852 NumberOfCodeBlocks, 852 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 SizeOfPredicates, 3 NumberOfNonLiveVariables, 381 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 6012/6048 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:34:02,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0177e90d070972ca52b9fa04613ebb53ecd8133d0210186e26b35ee415591bc2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:34:05,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:34:05,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:34:05,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:34:05,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:34:05,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:34:05,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:34:05,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:34:05,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:34:05,249 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:34:05,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:34:05,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:34:05,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:34:05,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:34:05,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:34:05,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:34:05,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:34:05,251 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:34:05,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:34:05,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:34:05,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:34:05,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:34:05,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:34:05,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:34:05,253 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_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0177e90d070972ca52b9fa04613ebb53ecd8133d0210186e26b35ee415591bc2 [2024-11-24 00:34:05,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:34:05,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:34:05,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:34:05,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:34:05,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:34:05,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i [2024-11-24 00:34:08,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/053e27214/9d747d0617314b3191e4c3fd5dfd0769/FLAG4457baf7f [2024-11-24 00:34:08,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:34:08,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i [2024-11-24 00:34:08,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/053e27214/9d747d0617314b3191e4c3fd5dfd0769/FLAG4457baf7f [2024-11-24 00:34:08,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/data/053e27214/9d747d0617314b3191e4c3fd5dfd0769 [2024-11-24 00:34:08,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:34:08,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:34:08,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:34:08,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:34:08,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:34:08,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:34:08" (1/1) ... [2024-11-24 00:34:08,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae8fe2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:08, skipping insertion in model container [2024-11-24 00:34:08,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:34:08" (1/1) ... [2024-11-24 00:34:08,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:34:09,085 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_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i[915,928] [2024-11-24 00:34:09,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:34:09,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:34:09,220 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_4c3e565c-722a-4a13-835c-37be98a9942f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-29.i[915,928] [2024-11-24 00:34:09,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:34:09,288 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:34:09,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09 WrapperNode [2024-11-24 00:34:09,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:34:09,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:34:09,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:34:09,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:34:09,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,356 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-24 00:34:09,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:34:09,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:34:09,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:34:09,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:34:09,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,399 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:34:09,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,416 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:34:09,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:34:09,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:34:09,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:34:09,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (1/1) ... [2024-11-24 00:34:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:34:09,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:34:09,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:34:09,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:34:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:34:09,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:34:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:34:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:34:09,623 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:34:09,625 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:34:12,318 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:34:12,318 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:34:12,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:34:12,331 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:34:12,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:34:12 BoogieIcfgContainer [2024-11-24 00:34:12,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:34:12,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:34:12,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:34:12,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:34:12,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:34:08" (1/3) ... [2024-11-24 00:34:12,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:34:12, skipping insertion in model container [2024-11-24 00:34:12,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:09" (2/3) ... [2024-11-24 00:34:12,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfa076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:34:12, skipping insertion in model container [2024-11-24 00:34:12,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:34:12" (3/3) ... [2024-11-24 00:34:12,363 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-29.i [2024-11-24 00:34:12,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:34:12,379 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-29.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:34:12,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:34:12,443 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;@7d05bde1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:34:12,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:34:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 00:34:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:34:12,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:12,462 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:12,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:12,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:12,468 INFO L85 PathProgramCache]: Analyzing trace with hash 731389584, now seen corresponding path program 1 times [2024-11-24 00:34:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:34:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202671185] [2024-11-24 00:34:12,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:34:12,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:34:12,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:34:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:12,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:34:12,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-24 00:34:13,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:34:13,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:34:13,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202671185] [2024-11-24 00:34:13,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202671185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:34:13,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [572720903] [2024-11-24 00:34:13,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:13,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:34:13,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:34:13,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:34:13,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 00:34:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:13,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:34:13,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 00:34:14,838 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:34:14,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [572720903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:14,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:34:14,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-24 00:34:14,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129695723] [2024-11-24 00:34:14,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:14,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:34:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:34:14,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:34:14,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:34:14,873 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:34:16,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:34:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:16,417 INFO L93 Difference]: Finished difference Result 202 states and 380 transitions. [2024-11-24 00:34:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:34:16,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-11-24 00:34:16,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:16,442 INFO L225 Difference]: With dead ends: 202 [2024-11-24 00:34:16,443 INFO L226 Difference]: Without dead ends: 133 [2024-11-24 00:34:16,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:34:16,452 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 20 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:16,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 201 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 00:34:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-24 00:34:16,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-11-24 00:34:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:34:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 205 transitions. [2024-11-24 00:34:16,516 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 205 transitions. Word has length 170 [2024-11-24 00:34:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:16,517 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 205 transitions. [2024-11-24 00:34:16,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:34:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 205 transitions. [2024-11-24 00:34:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:34:16,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:16,522 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:16,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 00:34:16,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:34:16,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:16,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:16,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash 788647886, now seen corresponding path program 1 times [2024-11-24 00:34:16,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:34:16,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055254648] [2024-11-24 00:34:16,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:16,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:34:16,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:34:16,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:34:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:17,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:34:17,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-24 00:34:17,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:34:17,567 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:34:17,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055254648] [2024-11-24 00:34:17,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055254648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:34:17,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1409861487] [2024-11-24 00:34:17,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:17,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:34:17,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:34:17,571 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:34:17,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 00:34:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:18,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:34:18,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 00:34:18,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:34:18,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1409861487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:18,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:34:18,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-24 00:34:18,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111245492] [2024-11-24 00:34:18,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:18,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:34:18,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:34:18,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:34:18,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:34:18,560 INFO L87 Difference]: Start difference. First operand 131 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:34:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:20,596 INFO L93 Difference]: Finished difference Result 385 states and 605 transitions. [2024-11-24 00:34:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:34:20,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2024-11-24 00:34:20,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:20,608 INFO L225 Difference]: With dead ends: 385 [2024-11-24 00:34:20,608 INFO L226 Difference]: Without dead ends: 257 [2024-11-24 00:34:20,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:34:20,610 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 95 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:20,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 281 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-24 00:34:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-24 00:34:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-11-24 00:34:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-24 00:34:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 398 transitions. [2024-11-24 00:34:20,701 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 398 transitions. Word has length 170 [2024-11-24 00:34:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:20,703 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 398 transitions. [2024-11-24 00:34:20,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 00:34:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 398 transitions. [2024-11-24 00:34:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:34:20,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:20,709 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:20,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:34:20,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:34:21,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:21,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1731312048, now seen corresponding path program 1 times [2024-11-24 00:34:21,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:34:21,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746683328] [2024-11-24 00:34:21,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:21,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:21,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:34:21,118 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:34:21,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 00:34:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:21,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:34:21,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 441 proven. 12 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-11-24 00:34:21,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:34:21,800 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:34:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746683328] [2024-11-24 00:34:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746683328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:34:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1817373851] [2024-11-24 00:34:21,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:34:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:34:21,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:34:21,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 00:34:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:22,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:34:22,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 183 proven. 3 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-24 00:34:23,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:34:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 00:34:24,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1817373851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:34:24,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:34:24,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-24 00:34:24,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119207151] [2024-11-24 00:34:24,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:34:24,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:34:24,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:34:24,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:34:24,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:34:24,260 INFO L87 Difference]: Start difference. First operand 255 states and 398 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2024-11-24 00:34:37,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:37,432 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2024-11-24 00:34:37,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 00:34:37,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 170 [2024-11-24 00:34:37,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:37,446 INFO L225 Difference]: With dead ends: 701 [2024-11-24 00:34:37,446 INFO L226 Difference]: Without dead ends: 449 [2024-11-24 00:34:37,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=411, Invalid=1149, Unknown=0, NotChecked=0, Total=1560 [2024-11-24 00:34:37,451 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 310 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 478 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:37,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 316 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [478 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-11-24 00:34:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-24 00:34:37,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 291. [2024-11-24 00:34:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 166 states have (on average 1.2048192771084338) internal successors, (200), 166 states have internal predecessors, (200), 112 states have call successors, (112), 12 states have call predecessors, (112), 12 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-24 00:34:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 424 transitions. [2024-11-24 00:34:37,541 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 424 transitions. Word has length 170 [2024-11-24 00:34:37,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:37,542 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 424 transitions. [2024-11-24 00:34:37,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2024-11-24 00:34:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 424 transitions. [2024-11-24 00:34:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:34:37,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:37,546 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:37,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:34:37,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:34:37,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:34:37,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:37,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:37,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1933300087, now seen corresponding path program 1 times [2024-11-24 00:34:37,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:34:37,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288494087] [2024-11-24 00:34:37,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:37,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:34:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:34:37,950 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:34:37,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-24 00:34:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:38,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:34:38,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:54,945 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2024-11-24 00:35:05,730 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2024-11-24 00:35:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:35:11,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:35:11,865 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:35:11,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288494087] [2024-11-24 00:35:11,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288494087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:35:11,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:35:11,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:35:11,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753265845] [2024-11-24 00:35:11,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:35:11,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:35:11,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:35:11,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:35:11,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2024-11-24 00:35:11,867 INFO L87 Difference]: Start difference. First operand 291 states and 424 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 00:36:29,320 WARN L286 SmtUtils]: Spent 55.00s on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:37:40,858 WARN L286 SmtUtils]: Spent 41.38s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:37:44,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:37:48,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:37:52,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:37:56,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:01,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:05,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:09,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:38:11,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:38:11,295 INFO L93 Difference]: Finished difference Result 621 states and 881 transitions. [2024-11-24 00:38:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:38:11,327 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 171 [2024-11-24 00:38:11,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:38:11,332 INFO L225 Difference]: With dead ends: 621 [2024-11-24 00:38:11,332 INFO L226 Difference]: Without dead ends: 333 [2024-11-24 00:38:11,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 158.1s TimeCoverageRelationStatistics Valid=93, Invalid=177, Unknown=10, NotChecked=62, Total=342 [2024-11-24 00:38:11,334 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 106 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 234 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:38:11,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 237 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 288 Invalid, 7 Unknown, 234 Unchecked, 32.2s Time] [2024-11-24 00:38:11,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-24 00:38:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2024-11-24 00:38:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 190 states have (on average 1.1789473684210525) internal successors, (224), 190 states have internal predecessors, (224), 112 states have call successors, (112), 20 states have call predecessors, (112), 20 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-24 00:38:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-24 00:38:11,422 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 171 [2024-11-24 00:38:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:38:11,423 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-24 00:38:11,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 00:38:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-24 00:38:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:38:11,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:38:11,427 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:38:11,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-24 00:38:11,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:38:11,629 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:38:11,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:38:11,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1681608839, now seen corresponding path program 1 times [2024-11-24 00:38:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:38:11,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307415490] [2024-11-24 00:38:11,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:38:11,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:38:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:38:11,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:38:11,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-24 00:38:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:38:11,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:38:11,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:38:33,275 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (let ((.cse4 (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (fp.geq ~var_1_26~0 .cse2))))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (fp.leq ~var_1_25~0 .cse3) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) .cse4)) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))))))) is different from true [2024-11-24 00:38:44,388 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (let ((.cse3 (fp.neg .cse0)) (.cse2 (fp.neg .cse1))) (or (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (fp.geq ~var_1_24~0 .cse0) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse1))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24)) (~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_24~0 .cse0) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse1))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse2) (fp.gt ~var_1_25~0 ~var_1_26~0))) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24)) (~var_1_24~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (fp.geq ~var_1_26~0 .cse0) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_25~0) c_~var_1_23~0) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2))) (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_26~0 .cse0) (fp.gt ~var_1_25~0 ~var_1_26~0))))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse2) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse3) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.geq ~var_1_24~0 .cse0) (fp.leq ~var_1_24~0 .cse1))) (fp.leq ~var_1_25~0 .cse3))) (exists ((~var_1_25~0 (_ FloatingPoint 8 24))) (and (fp.geq ~var_1_25~0 .cse0) (fp.leq ~var_1_25~0 .cse1) (exists ((~var_1_24~0 (_ FloatingPoint 8 24))) (and (exists ((~var_1_26~0 (_ FloatingPoint 8 24))) (and (fp.leq ~var_1_26~0 .cse1) (not (fp.gt ~var_1_25~0 ~var_1_26~0)) (= c_~var_1_23~0 (fp.add roundNearestTiesToEven ~var_1_24~0 ~var_1_26~0)))) (fp.leq ~var_1_24~0 .cse3) (fp.geq ~var_1_24~0 .cse2)))))))) is different from true [2024-11-24 00:38:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:38:50,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:38:50,314 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:38:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307415490] [2024-11-24 00:38:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307415490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:38:50,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:38:50,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 00:38:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9960897] [2024-11-24 00:38:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:38:50,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:38:50,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:38:50,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:38:50,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=89, Unknown=2, NotChecked=42, Total=182 [2024-11-24 00:38:50,316 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 00:40:21,868 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 110 DAG size of output: 235 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:41:35,499 WARN L286 SmtUtils]: Spent 47.64s on a formula simplification. DAG size of input: 102 DAG size of output: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:41:39,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:43,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:47,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:51,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:55,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:41:59,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:42:03,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:42:06,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:42:06,569 INFO L93 Difference]: Finished difference Result 491 states and 682 transitions. [2024-11-24 00:42:06,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:42:06,596 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 171 [2024-11-24 00:42:06,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:42:06,598 INFO L225 Difference]: With dead ends: 491 [2024-11-24 00:42:06,598 INFO L226 Difference]: Without dead ends: 171 [2024-11-24 00:42:06,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 175.6s TimeCoverageRelationStatistics Valid=93, Invalid=178, Unknown=9, NotChecked=62, Total=342 [2024-11-24 00:42:06,600 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 71 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 232 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:42:06,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 274 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 359 Invalid, 7 Unknown, 232 Unchecked, 32.9s Time] [2024-11-24 00:42:06,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-24 00:42:06,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 163. [2024-11-24 00:42:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 96 states have internal predecessors, (113), 56 states have call successors, (56), 10 states have call predecessors, (56), 10 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:42:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 225 transitions. [2024-11-24 00:42:06,632 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 225 transitions. Word has length 171 [2024-11-24 00:42:06,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:06,633 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 225 transitions. [2024-11-24 00:42:06,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-24 00:42:06,633 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 225 transitions. [2024-11-24 00:42:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:42:06,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:42:06,635 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:42:06,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-24 00:42:06,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:06,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:42:06,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:42:06,836 INFO L85 PathProgramCache]: Analyzing trace with hash 691588410, now seen corresponding path program 1 times [2024-11-24 00:42:06,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:42:06,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829761298] [2024-11-24 00:42:06,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:42:06,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:42:06,839 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:42:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-24 00:42:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:42:07,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:42:07,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 133 proven. 78 refuted. 0 times theorem prover too weak. 1301 trivial. 0 not checked. [2024-11-24 00:42:08,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:42:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 00:42:09,077 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:42:09,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829761298] [2024-11-24 00:42:09,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829761298] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:42:09,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:42:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-24 00:42:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769373552] [2024-11-24 00:42:09,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:42:09,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:42:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:42:09,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:42:09,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:42:09,079 INFO L87 Difference]: Start difference. First operand 163 states and 225 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-24 00:42:11,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:12,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:42:12,152 INFO L93 Difference]: Finished difference Result 427 states and 577 transitions. [2024-11-24 00:42:12,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:42:12,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 172 [2024-11-24 00:42:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:42:12,156 INFO L225 Difference]: With dead ends: 427 [2024-11-24 00:42:12,156 INFO L226 Difference]: Without dead ends: 267 [2024-11-24 00:42:12,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:42:12,158 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 138 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:42:12,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 233 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 00:42:12,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-24 00:42:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 171. [2024-11-24 00:42:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 102 states have internal predecessors, (118), 56 states have call successors, (56), 12 states have call predecessors, (56), 12 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:42:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 230 transitions. [2024-11-24 00:42:12,206 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 230 transitions. Word has length 172 [2024-11-24 00:42:12,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:12,207 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 230 transitions. [2024-11-24 00:42:12,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-24 00:42:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2024-11-24 00:42:12,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:42:12,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:42:12,209 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:42:12,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-24 00:42:12,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:12,410 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:42:12,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:42:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash 748846712, now seen corresponding path program 1 times [2024-11-24 00:42:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:42:12,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852490913] [2024-11-24 00:42:12,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:42:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:42:12,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:42:12,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-24 00:42:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:42:12,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:42:12,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 258 proven. 144 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-11-24 00:42:14,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:42:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 00:42:15,949 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:42:15,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852490913] [2024-11-24 00:42:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852490913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:42:15,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:42:15,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-24 00:42:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017547741] [2024-11-24 00:42:15,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:42:15,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:42:15,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:42:15,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:42:15,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:42:15,951 INFO L87 Difference]: Start difference. First operand 171 states and 230 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-24 00:42:20,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:42:20,041 INFO L93 Difference]: Finished difference Result 376 states and 490 transitions. [2024-11-24 00:42:20,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 00:42:20,047 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 172 [2024-11-24 00:42:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:42:20,050 INFO L225 Difference]: With dead ends: 376 [2024-11-24 00:42:20,050 INFO L226 Difference]: Without dead ends: 208 [2024-11-24 00:42:20,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:42:20,052 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 77 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:42:20,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 514 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-24 00:42:20,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-24 00:42:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 187. [2024-11-24 00:42:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 114 states have (on average 1.1140350877192982) internal successors, (127), 114 states have internal predecessors, (127), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 00:42:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 239 transitions. [2024-11-24 00:42:20,095 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 239 transitions. Word has length 172 [2024-11-24 00:42:20,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:20,096 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 239 transitions. [2024-11-24 00:42:20,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 3 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-24 00:42:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 239 transitions. [2024-11-24 00:42:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:42:20,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:42:20,098 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:42:20,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-24 00:42:20,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:20,298 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:42:20,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:42:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash -60499914, now seen corresponding path program 1 times [2024-11-24 00:42:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:42:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111892316] [2024-11-24 00:42:20,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:42:20,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:42:20,301 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:42:20,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3e565c-722a-4a13-835c-37be98a9942f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-24 00:42:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:42:20,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 00:42:20,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:57,419 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:43:26,924 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:43:32,345 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:43:37,990 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:44:03,791 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:44:08,928 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:44:16,501 WARN L286 SmtUtils]: Spent 7.57s 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) [2024-11-24 00:46:05,657 WARN L286 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:46:11,351 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:46:17,146 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:46:23,684 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:46:30,288 WARN L286 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:46:35,945 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:46:55,231 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:47:06,213 WARN L286 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:47:12,507 WARN L286 SmtUtils]: Spent 6.29s 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) [2024-11-24 00:47:17,643 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:49:09,035 WARN L286 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)