./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:15:20,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:15:21,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:15:21,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:15:21,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:15:21,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:15:21,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:15:21,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:15:21,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:15:21,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:15:21,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:15:21,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:15:21,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:15:21,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:15:21,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:15:21,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:15:21,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:15:21,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:15:21,052 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:15:21,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:15:21,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:15:21,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:15:21,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:21,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:15:21,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:21,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:15:21,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:15:21,054 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2024-11-24 01:15:21,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:15:21,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:15:21,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:15:21,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:15:21,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:15:21,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:24,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/61eadf9cf/0b3d2470eb6244e692a12b93ece05fd4/FLAGd7f0e8324 [2024-11-24 01:15:24,528 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:15:24,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:24,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/61eadf9cf/0b3d2470eb6244e692a12b93ece05fd4/FLAGd7f0e8324 [2024-11-24 01:15:24,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/61eadf9cf/0b3d2470eb6244e692a12b93ece05fd4 [2024-11-24 01:15:24,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:15:24,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:15:24,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:15:24,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:15:24,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:15:24,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:24,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c2c5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24, skipping insertion in model container [2024-11-24 01:15:24,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:24,602 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:15:24,794 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-24 01:15:24,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:15:24,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:15:24,898 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-24 01:15:24,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:15:24,936 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:15:24,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24 WrapperNode [2024-11-24 01:15:24,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:15:24,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:15:24,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:15:24,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:15:24,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:24,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:24,993 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-24 01:15:24,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:15:24,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:15:24,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:15:24,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:15:25,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,018 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 01:15:25,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:15:25,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:15:25,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:15:25,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:15:25,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (1/1) ... [2024-11-24 01:15:25,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:25,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:15:25,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:15:25,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:15:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:15:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:15:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:15:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:15:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:15:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:15:25,205 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:15:25,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:15:25,485 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:15:25,485 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:15:25,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:15:25,496 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:15:25,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:25 BoogieIcfgContainer [2024-11-24 01:15:25,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:15:25,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:15:25,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:15:25,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:15:25,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:15:24" (1/3) ... [2024-11-24 01:15:25,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f3605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:25, skipping insertion in model container [2024-11-24 01:15:25,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:24" (2/3) ... [2024-11-24 01:15:25,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f3605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:25, skipping insertion in model container [2024-11-24 01:15:25,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:25" (3/3) ... [2024-11-24 01:15:25,508 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:25,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:15:25,526 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:15:25,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:15:25,618 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;@51bcd65d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:15:25,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:15:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:15:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:15:25,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:25,643 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:25,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:25,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1110012742, now seen corresponding path program 1 times [2024-11-24 01:15:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:25,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037689588] [2024-11-24 01:15:25,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:25,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-24 01:15:26,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:26,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037689588] [2024-11-24 01:15:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037689588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:15:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761131240] [2024-11-24 01:15:26,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:15:26,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:15:26,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:15:26,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:15:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:26,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:15:26,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:15:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-24 01:15:26,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:15:26,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761131240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:26,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:15:26,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:15:26,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932388227] [2024-11-24 01:15:26,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:26,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:15:26,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:26,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:15:26,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:15:26,331 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 01:15:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:26,361 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-24 01:15:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:15:26,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2024-11-24 01:15:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:26,370 INFO L225 Difference]: With dead ends: 103 [2024-11-24 01:15:26,370 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 01:15:26,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:15:26,377 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:26,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:15:26,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 01:15:26,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-24 01:15:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:15:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-24 01:15:26,426 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 123 [2024-11-24 01:15:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:26,426 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-24 01:15:26,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 01:15:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-24 01:15:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:15:26,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:26,429 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:26,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:15:26,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:15:26,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:26,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:26,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1909930626, now seen corresponding path program 1 times [2024-11-24 01:15:26,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:26,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467699256] [2024-11-24 01:15:26,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:26,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:15:26,843 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:15:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:15:26,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:15:26,954 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:15:26,955 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:15:26,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:15:26,961 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:15:27,054 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:15:27,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:15:27 BoogieIcfgContainer [2024-11-24 01:15:27,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:15:27,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:15:27,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:15:27,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:15:27,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:25" (3/4) ... [2024-11-24 01:15:27,062 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:15:27,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:15:27,063 INFO L158 Benchmark]: Toolchain (without parser) took 2495.92ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 49.3MB in the end (delta: 43.0MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-24 01:15:27,064 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:15:27,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:15:27,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.70ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:15:27,065 INFO L158 Benchmark]: Boogie Preprocessor took 43.97ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:15:27,065 INFO L158 Benchmark]: RCFGBuilder took 457.47ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 60.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:15:27,065 INFO L158 Benchmark]: TraceAbstraction took 1558.79ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 49.8MB in the end (delta: 10.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-24 01:15:27,066 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 49.3MB in the end (delta: 518.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:15:27,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.71ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.70ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.97ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.47ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 60.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1558.79ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 49.8MB in the end (delta: 10.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 49.3MB in the end (delta: 518.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 8.3; [L24] float var_1_3 = 2.25; [L25] float var_1_4 = 10.3; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] signed long int var_1_7 = 128; [L29] float var_1_8 = 9.8; [L30] signed long int var_1_9 = -256; [L31] unsigned short int var_1_10 = 5; [L32] signed char var_1_11 = 8; [L33] signed long int var_1_12 = 2; [L34] unsigned short int var_1_13 = 32; [L35] unsigned short int var_1_14 = 1; [L36] unsigned short int last_1_var_1_10 = 5; VAL [isInitial=0, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_2=83/10, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L62] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_3=9/4, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_4=103/10, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=1, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L69] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L69] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L72] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L72] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_8=49/5, var_1_9=-256] [L73] var_1_8 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L74] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-256] [L75] var_1_9 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_9 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L76] RET assume_abort_if_not(var_1_9 >= -2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L77] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=8, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L79] RET assume_abort_if_not(var_1_11 >= -128) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L80] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L80] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L81] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L81] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=2, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L82] var_1_12 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L83] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L85] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L85] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=32, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L86] var_1_13 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L88] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L88] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L89] var_1_14 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L90] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L91] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L91] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=128, var_1_9=-2147483647] [L105] RET updateVariables() [L106] CALL step() [L40] COND TRUE var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8) [L41] var_1_7 = ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L45] COND FALSE !(var_1_8 > var_1_4) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L56] COND TRUE ((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4) [L57] var_1_1 = (var_1_5 && var_1_6) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((1.1f) < (var_1_2)) ? (1.1f) : (var_1_2))) > (var_1_3 * var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 && var_1_6))) : 1) && ((var_1_4 <= (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) * var_1_8)) ? (var_1_7 == ((signed long int) ((((-200) > (last_1_var_1_10)) ? (-200) : (last_1_var_1_10))))) : (var_1_7 == ((signed long int) last_1_var_1_10)))) && ((var_1_8 > var_1_4) ? ((! var_1_6) ? (((var_1_9 / ((((var_1_11) > (-64)) ? (var_1_11) : (-64)))) < (var_1_7 / var_1_12)) ? (var_1_10 == ((unsigned short int) var_1_13)) : (var_1_10 == ((unsigned short int) var_1_13))) : (var_1_10 == ((unsigned short int) var_1_14))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=5, var_1_10=5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_1=0, var_1_5=0, var_1_6=0, var_1_7=5, var_1_9=-2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 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 01:15:27,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:15:29,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:15:29,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:15:29,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:15:29,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:15:29,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:15:29,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:15:29,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:15:29,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:15:29,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:15:29,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:15:29,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:15:29,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:15:29,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:15:29,957 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:15:29,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:15:29,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:15:29,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:15:29,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:15:29,959 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:29,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:15:29,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:15:29,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:29,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:15:29,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:15:29,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:15:29,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:15:29,963 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 -> 434983dfe381258f9957b77ebf7a8814bd68f5f503e8a119e287e5a59a77f408 [2024-11-24 01:15:30,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:15:30,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:15:30,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:15:30,297 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:15:30,297 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:15:30,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:33,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/1ac6cfd19/fa979414ddf44309891774135ee15052/FLAG0265c4625 [2024-11-24 01:15:33,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:15:33,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:33,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/1ac6cfd19/fa979414ddf44309891774135ee15052/FLAG0265c4625 [2024-11-24 01:15:33,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/data/1ac6cfd19/fa979414ddf44309891774135ee15052 [2024-11-24 01:15:33,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:15:33,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:15:33,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:15:33,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:15:33,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:15:33,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:33" (1/1) ... [2024-11-24 01:15:33,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:33, skipping insertion in model container [2024-11-24 01:15:33,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:15:33" (1/1) ... [2024-11-24 01:15:33,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:15:33,965 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-24 01:15:34,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:15:34,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:15:34,089 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_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-63.i[915,928] [2024-11-24 01:15:34,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:15:34,161 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:15:34,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34 WrapperNode [2024-11-24 01:15:34,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:15:34,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:15:34,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:15:34,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:15:34,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,227 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-24 01:15:34,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:15:34,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:15:34,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:15:34,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:15:34,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,247 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,270 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 01:15:34,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:15:34,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:15:34,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:15:34,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:15:34,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (1/1) ... [2024-11-24 01:15:34,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:15:34,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:15:34,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:15:34,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:15:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:15:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:15:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:15:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:15:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:15:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:15:34,517 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:15:34,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:15:36,636 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:15:36,637 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:15:36,647 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:15:36,648 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:15:36,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:36 BoogieIcfgContainer [2024-11-24 01:15:36,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:15:36,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:15:36,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:15:36,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:15:36,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:15:33" (1/3) ... [2024-11-24 01:15:36,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c33cf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:36, skipping insertion in model container [2024-11-24 01:15:36,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:15:34" (2/3) ... [2024-11-24 01:15:36,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c33cf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:15:36, skipping insertion in model container [2024-11-24 01:15:36,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:15:36" (3/3) ... [2024-11-24 01:15:36,665 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-63.i [2024-11-24 01:15:36,681 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:15:36,682 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-63.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:15:36,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:15:36,757 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;@34709f22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:15:36,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:15:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:15:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:15:36,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:36,774 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:36,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:36,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:36,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1110012742, now seen corresponding path program 1 times [2024-11-24 01:15:36,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:15:36,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402774569] [2024-11-24 01:15:36,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:36,794 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 01:15:36,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:15:36,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 01:15:36,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 01:15:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:37,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:15:37,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:15:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-24 01:15:37,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:15:37,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:15:37,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402774569] [2024-11-24 01:15:37,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402774569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:37,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:37,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:15:37,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171255046] [2024-11-24 01:15:37,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:37,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:15:37,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:15:37,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:15:37,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:15:37,295 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:15:37,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:37,320 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-24 01:15:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:15:37,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 123 [2024-11-24 01:15:37,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:37,329 INFO L225 Difference]: With dead ends: 103 [2024-11-24 01:15:37,329 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 01:15:37,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:15:37,336 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:37,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:15:37,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 01:15:37,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-24 01:15:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 01:15:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-24 01:15:37,383 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 123 [2024-11-24 01:15:37,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:37,384 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-24 01:15:37,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 01:15:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-24 01:15:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 01:15:37,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:37,388 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:37,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 01:15:37,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 01:15:37,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:37,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:37,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1909930626, now seen corresponding path program 1 times [2024-11-24 01:15:37,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:15:37,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228277216] [2024-11-24 01:15:37,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:37,591 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 01:15:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:15:37,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/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 01:15:37,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f6bf0c-69f2-409c-8a23-f7a13c9751f7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:15:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:37,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:15:37,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:15:52,582 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:16:09,185 WARN L286 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:16:38,927 WARN L286 SmtUtils]: Spent 12.30s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 01:25:01,188 WARN L286 SmtUtils]: Spent 5.90s 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 01:25:09,213 WARN L286 SmtUtils]: Spent 5.38s 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 01:25:43,936 WARN L286 SmtUtils]: Spent 5.22s 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 01:25:54,388 WARN L286 SmtUtils]: Spent 6.09s 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 01:26:08,022 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:14,756 WARN L286 SmtUtils]: Spent 6.61s 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 01:26:26,749 WARN L286 SmtUtils]: Spent 8.05s 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 01:26:37,744 WARN L286 SmtUtils]: Spent 5.05s 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 01:26:44,625 WARN L286 SmtUtils]: Spent 5.02s 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 01:28:52,009 WARN L286 SmtUtils]: Spent 8.00s 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)