./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1 --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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:25,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:25,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:50:25,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:25,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:25,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:25,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:25,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:25,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:25,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:25,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:25,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:25,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:25,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:25,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:25,413 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:25,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:25,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:25,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:25,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:25,414 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-12-02 05:50:25,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:25,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:25,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:25,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:25,648 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:25,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:28,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/f4b271752/72c4b3d7c1f54f90bac58f5f32f149bf/FLAG98eff992c [2024-12-02 05:50:28,522 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:28,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:28,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/f4b271752/72c4b3d7c1f54f90bac58f5f32f149bf/FLAG98eff992c [2024-12-02 05:50:28,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/f4b271752/72c4b3d7c1f54f90bac58f5f32f149bf [2024-12-02 05:50:28,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:28,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:28,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:28,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:28,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:28,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:28" (1/1) ... [2024-12-02 05:50:28,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173082e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:28, skipping insertion in model container [2024-12-02 05:50:28,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:28" (1/1) ... [2024-12-02 05:50:28,912 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:29,035 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-02 05:50:29,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:29,074 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:29,084 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-02 05:50:29,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:29,111 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:29,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29 WrapperNode [2024-12-02 05:50:29,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:29,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:29,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:29,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:29,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,143 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-12-02 05:50:29,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:29,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:29,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:29,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:29,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,166 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]. [2024-12-02 05:50:29,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:29,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:29,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:29,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:29,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (1/1) ... [2024-12-02 05:50:29,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:29,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:29,301 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:29,303 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:29,437 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:29,437 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:29,447 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:29,447 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:29,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29 BoogieIcfgContainer [2024-12-02 05:50:29,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:29,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:29,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:29,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:29,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:28" (1/3) ... [2024-12-02 05:50:29,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a833496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:29, skipping insertion in model container [2024-12-02 05:50:29,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:29" (2/3) ... [2024-12-02 05:50:29,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a833496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:29, skipping insertion in model container [2024-12-02 05:50:29,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29" (3/3) ... [2024-12-02 05:50:29,456 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:29,466 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:29,468 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:29,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:29,525 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;@2e434d81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:29,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:29,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 05:50:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:29,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,537 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:29,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,542 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2024-12-02 05:50:29,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:29,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194809011] [2024-12-02 05:50:29,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 05:50:29,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:29,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194809011] [2024-12-02 05:50:29,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194809011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:29,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027579375] [2024-12-02 05:50:29,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:29,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:29,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 05:50:29,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:29,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027579375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:29,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:29,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:50:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87100698] [2024-12-02 05:50:29,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:29,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:29,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:29,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:29,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:29,899 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 05:50:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:29,915 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2024-12-02 05:50:29,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:29,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2024-12-02 05:50:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:29,920 INFO L225 Difference]: With dead ends: 83 [2024-12-02 05:50:29,920 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 05:50:29,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:29,925 INFO L435 NwaCegarLoop]: 56 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, 56 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 [2024-12-02 05:50:29,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 05:50:29,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 05:50:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 05:50:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2024-12-02 05:50:29,957 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2024-12-02 05:50:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:29,957 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2024-12-02 05:50:29,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 05:50:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-12-02 05:50:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:29,960 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,960 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:30,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:50:30,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:30,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:30,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2024-12-02 05:50:30,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:30,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275414709] [2024-12-02 05:50:30,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:30,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:30,241 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:50:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:50:30,312 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:50:30,312 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:50:30,313 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:50:30,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:30,318 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 05:50:30,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:50:30,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:30 BoogieIcfgContainer [2024-12-02 05:50:30,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:50:30,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:50:30,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:50:30,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:50:30,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:29" (3/4) ... [2024-12-02 05:50:30,368 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:50:30,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:50:30,369 INFO L158 Benchmark]: Toolchain (without parser) took 1477.19ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 68.6MB in the end (delta: 23.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-12-02 05:50:30,369 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:30,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.56ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:30,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:30,370 INFO L158 Benchmark]: Boogie Preprocessor took 34.02ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:30,370 INFO L158 Benchmark]: RCFGBuilder took 268.64ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 64.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:50:30,370 INFO L158 Benchmark]: TraceAbstraction took 915.06ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 68.7MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:30,370 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:50:30,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.56ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.02ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.64ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 64.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 915.06ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 68.7MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 21.1kB). 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 someUnaryDOUBLEoperation at line 31, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 255.3; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 1000000000000.5; [L25] double var_1_4 = 999999999.125; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 100; [L28] signed long int var_1_7 = 256; [L29] signed long int var_1_8 = -5; [L30] double var_1_9 = 24.2; [L31] double var_1_10 = -0.125; [L32] double var_1_11 = -0.5; VAL [isInitial=0, var_1_1=2553/10, var_1_2=0, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L78] isInitial = 1 [L79] FCALL initially() [L81] FCALL updateLastVariables() [L82] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L50] var_1_3 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L51] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L52] var_1_4 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L53] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L60] var_1_7 = __VERIFIER_nondet_long() [L61] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L61] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L63] var_1_8 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L64] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L82] RET updateVariables() [L83] CALL step() [L36] signed long int stepLocal_0 = (((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)); VAL [isInitial=1, stepLocal_0=4, var_1_1=2553/10, var_1_2=1, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L37] COND TRUE \read(var_1_2) [L38] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=4, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L44] var_1_11 = var_1_3 VAL [isInitial=1, stepLocal_0=4, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L83] RET step() [L84] CALL, EXPR property() [L74-L75] return (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7))) < var_1_8) ? (var_1_1 == ((double) (var_1_9 + var_1_10))) : 1)) && (var_1_11 == ((double) var_1_3)) ; VAL [\result=0, isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L84] RET, EXPR property() [L84] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] [L19] reach_error() VAL [isInitial=1, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 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, 56 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 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 [2024-12-02 05:50:30,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1 --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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:50:32,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:50:32,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:50:32,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:50:32,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:50:32,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:50:32,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:50:32,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:50:32,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:50:32,427 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:50:32,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:50:32,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:50:32,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:50:32,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:50:32,428 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:50:32,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:50:32,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:50:32,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:50:32,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:50:32,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:50:32,430 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:32,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:50:32,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:32,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:50:32,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:50:32,432 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2024-12-02 05:50:32,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:50:32,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:50:32,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:50:32,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:50:32,669 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:50:32,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:35,288 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/915f72c1a/f663803a6c5f4c5983511bee80ff2988/FLAGd579b137b [2024-12-02 05:50:35,516 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:35,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:35,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/915f72c1a/f663803a6c5f4c5983511bee80ff2988/FLAGd579b137b [2024-12-02 05:50:35,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/data/915f72c1a/f663803a6c5f4c5983511bee80ff2988 [2024-12-02 05:50:35,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:35,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:35,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:35,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:35,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:35,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:35" (1/1) ... [2024-12-02 05:50:35,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50576f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:35, skipping insertion in model container [2024-12-02 05:50:35,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:35" (1/1) ... [2024-12-02 05:50:35,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:36,007 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-02 05:50:36,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:36,044 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:36,052 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_28824387-3a16-42e1-85f8-1f9d2d4ab46a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2024-12-02 05:50:36,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:36,077 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:36,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36 WrapperNode [2024-12-02 05:50:36,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:36,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:36,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:36,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:36,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,104 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2024-12-02 05:50:36,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:36,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:36,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:36,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:36,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,123 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]. [2024-12-02 05:50:36,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:36,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:36,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:36,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:36,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (1/1) ... [2024-12-02 05:50:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:36,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:36,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:36,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:50:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:36,242 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:36,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:36,687 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:36,688 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:36,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:36,696 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:36,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:36 BoogieIcfgContainer [2024-12-02 05:50:36,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:36,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:36,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:36,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:35" (1/3) ... [2024-12-02 05:50:36,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482b8a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:36, skipping insertion in model container [2024-12-02 05:50:36,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:36" (2/3) ... [2024-12-02 05:50:36,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482b8a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:36, skipping insertion in model container [2024-12-02 05:50:36,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:36" (3/3) ... [2024-12-02 05:50:36,704 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2024-12-02 05:50:36,720 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:36,721 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-46.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:36,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:36,771 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;@5ad369b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:36,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 05:50:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:36,780 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:36,780 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:36,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:36,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:36,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2024-12-02 05:50:36,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:36,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269580042] [2024-12-02 05:50:36,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:36,793 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 [2024-12-02 05:50:36,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:36,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 05:50:36,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:50:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:37,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:50:37,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-12-02 05:50:37,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:37,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:50:37,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269580042] [2024-12-02 05:50:37,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269580042] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:37,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:37,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:37,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430349047] [2024-12-02 05:50:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:37,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:50:37,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:50:37,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:50:37,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:37,060 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 05:50:37,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:37,077 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2024-12-02 05:50:37,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:50:37,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2024-12-02 05:50:37,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:37,083 INFO L225 Difference]: With dead ends: 83 [2024-12-02 05:50:37,083 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 05:50:37,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:50:37,087 INFO L435 NwaCegarLoop]: 56 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, 56 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 [2024-12-02 05:50:37,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:37,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 05:50:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 05:50:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 05:50:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2024-12-02 05:50:37,120 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2024-12-02 05:50:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:37,120 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2024-12-02 05:50:37,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 05:50:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-12-02 05:50:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 05:50:37,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:37,123 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:37,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:50:37,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:50:37,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:37,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:37,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2024-12-02 05:50:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:50:37,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169551528] [2024-12-02 05:50:37,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:37,325 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 [2024-12-02 05:50:37,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:50:37,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 05:50:37,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:50:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:37,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 05:50:37,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-02 05:50:55,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:40,336 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:51:40,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169551528] [2024-12-02 05:51:40,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169551528] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:40,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1236380653] [2024-12-02 05:51:40,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:40,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:51:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:51:40,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:51:40,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 05:51:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:40,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 05:51:40,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:52:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-02 05:52:29,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:52:51,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1236380653] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:52:51,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 05:52:51,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-02 05:52:51,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521696297] [2024-12-02 05:52:51,793 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 05:52:51,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 05:52:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:52:51,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 05:52:51,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=538, Unknown=2, NotChecked=0, Total=650 [2024-12-02 05:52:51,796 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 05:53:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:00,549 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2024-12-02 05:53:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:53:00,551 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 90 [2024-12-02 05:53:00,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:00,552 INFO L225 Difference]: With dead ends: 60 [2024-12-02 05:53:00,552 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 05:53:00,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 86.3s TimeCoverageRelationStatistics Valid=184, Invalid=744, Unknown=2, NotChecked=0, Total=930 [2024-12-02 05:53:00,554 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 43 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:00,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 250 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 05:53:00,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 05:53:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2024-12-02 05:53:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 05:53:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2024-12-02 05:53:00,565 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 90 [2024-12-02 05:53:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:00,566 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2024-12-02 05:53:00,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 6 states have call successors, (28), 6 states have call predecessors, (28), 8 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-12-02 05:53:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-12-02 05:53:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 05:53:00,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:00,568 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:00,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 05:53:00,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-02 05:53:00,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 05:53:00,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:00,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -222970872, now seen corresponding path program 1 times [2024-12-02 05:53:00,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:53:00,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388915388] [2024-12-02 05:53:00,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:00,969 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 [2024-12-02 05:53:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:53:00,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 05:53:00,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 (5)] Waiting until timeout for monitored process [2024-12-02 05:53:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:01,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 05:53:01,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 105 proven. 33 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-02 05:54:04,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:54:44,325 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse19 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse6 (= (_ bv0 8) c_~var_1_2~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse16 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) (.cse7 (fp.eq c_~var_1_11~0 c_~var_1_3~0))) (let ((.cse11 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse14 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse15 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) (.cse17 (or .cse1 .cse16 .cse7)) (.cse3 (not .cse6)) (.cse4 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse18 (or .cse19 .cse6)) (.cse9 (bvslt c_~var_1_6~0 c_~var_1_8~0))) (let ((.cse5 (not .cse9)) (.cse10 (and .cse17 (or .cse3 (and (or .cse19 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse4))) .cse18)) (.cse8 (and .cse17 .cse18)) (.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse12 (and (or .cse15 .cse16 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse6))) (.cse2 (not .cse14)) (.cse13 (not .cse11))) (and (or .cse0 (and (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse6) (or .cse1 .cse7))) (or (and (or .cse8 .cse9) (or .cse5 .cse10)) .cse11) (or (and (or .cse12 .cse5) (or .cse12 .cse9)) .cse11) (or .cse13 (and (or .cse2 .cse10) (or .cse14 .cse8))) (or .cse0 (and (or .cse15 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse6))) (or (and (or .cse12 .cse14) (or .cse12 .cse2)) .cse13))))) is different from true [2024-12-02 05:55:06,954 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse13 (= (_ bv0 8) c_~var_1_2~0)) (.cse10 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse18 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse14 (or .cse10 .cse18)) (.cse11 (not .cse13)) (.cse12 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse16 (or .cse17 .cse13)) (.cse2 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse6 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse0 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse18))) (let ((.cse1 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse13))) (.cse4 (not .cse0)) (.cse5 (not .cse6)) (.cse9 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse3 (not .cse2)) (.cse8 (and .cse14 (or .cse11 (and (or .cse17 .cse12) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse12))) .cse16)) (.cse7 (and .cse14 .cse16))) (and (or .cse0 (and (or .cse1 .cse2) (or .cse3 .cse1))) (or .cse4 (and (or .cse5 .cse1) (or .cse6 .cse1))) (or .cse4 (and (or .cse6 .cse7) (or .cse5 .cse8))) (or .cse9 (and (or .cse10 .cse5 .cse11 .cse12) (or .cse10 .cse3 .cse11 .cse12) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse13) .cse14)) (or .cse9 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse13))) (or .cse0 (and (or .cse3 .cse8) (or .cse7 .cse2))))))) is different from true [2024-12-02 05:55:27,203 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse13 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse1 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse11 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse13)) (.cse7 (= (_ bv0 8) c_~var_1_2~0))) (let ((.cse0 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse7))) (.cse8 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse12 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse6 (not .cse7)) (.cse9 (or .cse4 .cse13)) (.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse14 (or .cse11 .cse7)) (.cse10 (not .cse1)) (.cse2 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))))) (and (or .cse0 .cse1) (or .cse2 (and (or .cse3 .cse4 .cse5 .cse6) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse7) (or .cse4 .cse5 .cse8 .cse6) .cse9)) (or .cse10 .cse0) (or (and (or (and (or .cse11 .cse5 .cse8) (or .cse12 .cse5 .cse8)) .cse6) (or .cse4 .cse13 .cse8) (or .cse11 .cse8 .cse7) .cse9 .cse14) .cse1) (or (and (or (and (or .cse3 .cse11 .cse5) (or .cse12 .cse3 .cse5)) .cse6) (or .cse3 .cse11 .cse7) .cse9 (or .cse3 .cse4 .cse13) .cse14) .cse10) (or .cse2 (and .cse15 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse7))))))) is different from true [2024-12-02 05:56:40,440 WARN L286 SmtUtils]: Spent 27.33s on a formula simplification. DAG size of input: 48 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 05:57:05,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:57:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388915388] [2024-12-02 05:57:05,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388915388] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:57:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [956693185] [2024-12-02 05:57:05,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:57:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 05:57:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 05:57:05,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 05:57:05,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 05:57:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:57:06,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 05:57:06,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:59:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 105 proven. 33 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-12-02 05:59:23,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:00:01,514 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse15 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse6 (= (_ bv0 8) c_~var_1_2~0)) (.cse10 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse12 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse13 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse14 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) (.cse18 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) (.cse7 (fp.eq c_~var_1_11~0 c_~var_1_3~0))) (let ((.cse9 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse11 (or .cse14 .cse18 .cse7)) (.cse0 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (not .cse13)) (.cse8 (not .cse12)) (.cse16 (or .cse1 .cse18 .cse7)) (.cse2 (not .cse10)) (.cse3 (not .cse6)) (.cse17 (and (or .cse15 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse4)))) (and (or .cse0 (and (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse6) (or .cse1 .cse7))) (or .cse8 (and (or (and (or .cse2 .cse9) (or .cse10 .cse9)) .cse6) .cse11)) (or .cse12 (and (or (and (or .cse5 .cse9) (or .cse9 .cse13)) .cse6) .cse11)) (or .cse0 (and (or .cse14 .cse7) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse6))) (or .cse12 (and (or (and (or .cse15 .cse13) (or .cse5 .cse15)) .cse6) .cse16 (or .cse5 .cse3 .cse17))) (or .cse8 (and .cse16 (or (and (or .cse10 .cse15) (or .cse2 .cse15)) .cse6) (or .cse2 .cse3 .cse17)))))) is different from true [2024-12-02 06:00:21,882 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse14 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse16 (fp.eq c_~var_1_3~0 c_~var_1_3~0)) (.cse4 (= (_ bv0 8) c_~var_1_2~0)) (.cse11 (bvslt c_~var_1_6~0 c_~var_1_8~0)) (.cse3 (bvslt c_~var_1_5~0 c_~var_1_8~0)) (.cse6 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse15 (not (bvslt c_~var_1_7~0 c_~var_1_8~0))) (.cse12 (bvslt c_~var_1_5~0 c_~var_1_6~0))) (let ((.cse0 (not .cse12)) (.cse2 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse8 (and (or .cse6 .cse15) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse15))) (.cse1 (not .cse3)) (.cse10 (not .cse11)) (.cse7 (not .cse4)) (.cse9 (or .cse14 .cse16)) (.cse13 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse5 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse16))) (and (or .cse0 (and (or (and (or .cse1 .cse2) (or .cse3 .cse2)) .cse4) .cse5)) (or .cse0 (and (or (and (or .cse3 .cse6) (or .cse1 .cse6)) .cse4) (or .cse1 .cse7 .cse8) .cse9)) (or (and (or (and (or .cse10 .cse2) (or .cse2 .cse11)) .cse4) .cse5) .cse12) (or .cse12 (and (or (and (or .cse6 .cse11) (or .cse10 .cse6)) .cse4) (or .cse10 .cse7 .cse8) .cse9)) (or .cse13 (and (or .cse14 .cse1 .cse7 .cse15) (or .cse14 .cse10 .cse7 .cse15) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse4) .cse9)) (or .cse13 (and .cse5 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse4)))))) is different from true [2024-12-02 06:00:42,959 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse15 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse11 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse1 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse15)) (.cse7 (= (_ bv0 8) c_~var_1_2~0))) (let ((.cse0 (and .cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 ~var_1_4~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))) (fp.gt c_~var_1_3~0 ~var_1_4~0))) .cse7))) (.cse8 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse10 (not .cse1)) (.cse12 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse5 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse6 (not .cse7)) (.cse9 (or .cse4 .cse15)) (.cse13 (or .cse11 .cse7)) (.cse2 (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))))) (and (or .cse0 .cse1) (or .cse2 (and (or .cse3 .cse4 .cse5 .cse6) (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) .cse7) (or .cse4 .cse5 .cse8 .cse6) .cse9)) (or .cse10 .cse0) (or .cse1 (and (or (and (or .cse11 .cse5 .cse8) (or .cse12 .cse5 .cse8)) .cse6) .cse9 .cse13)) (or .cse10 (and (or (and (or .cse3 .cse11 .cse5) (or .cse12 .cse3 .cse5)) .cse6) .cse9 .cse13)) (or .cse2 (and .cse14 (or (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 c_~var_1_3~0) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0))))) .cse7))))))) is different from true [2024-12-02 06:00:54,263 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse7 (bvslt c_~var_1_5~0 c_~var_1_6~0)) (.cse1 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))) (.cse10 (fp.eq c_~var_1_3~0 c_~var_1_3~0))) (let ((.cse3 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_6~0)) (.cse5 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (fp.eq ~var_1_1~0 ~var_1_4~0) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse4 (or .cse1 .cse10)) (.cse6 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (or (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)) (not (fp.eq ~var_1_1~0 ~var_1_4~0)) (fp.gt c_~var_1_3~0 ~var_1_4~0)))) (.cse0 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_5~0)) (.cse2 (bvsle |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_7~0)) (.cse8 (not .cse7)) (.cse9 (forall ((~var_1_10~0 (_ FloatingPoint 11 53)) (~var_1_1~0 (_ FloatingPoint 11 53)) (~var_1_9~0 (_ FloatingPoint 11 53))) (not (fp.eq ~var_1_1~0 (fp.add c_currentRoundingMode ~var_1_9~0 ~var_1_10~0)))))) (and (or (forall ((~var_1_4~0 (_ FloatingPoint 11 53))) (not (fp.gt c_~var_1_3~0 ~var_1_4~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) .cse4)) (or (and .cse4 (or .cse5 .cse2 .cse3) (or .cse6 .cse2 .cse3)) .cse7) (or .cse8 (and (or .cse0 .cse5 .cse2) .cse4 (or .cse6 .cse0 .cse2))) (or .cse8 .cse9 .cse10) (or .cse9 .cse10 .cse7)))) (not (= (_ bv0 8) c_~var_1_2~0))) is different from true [2024-12-02 06:01:18,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [956693185] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:01:18,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:01:18,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2024-12-02 06:01:18,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031029439] [2024-12-02 06:01:18,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:01:18,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:01:18,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:01:18,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:01:18,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=449, Unknown=11, NotChecked=350, Total=930 [2024-12-02 06:01:18,956 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:01:41,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:41,197 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2024-12-02 06:01:41,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:01:41,199 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 91 [2024-12-02 06:01:41,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:41,201 INFO L225 Difference]: With dead ends: 66 [2024-12-02 06:01:41,201 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 06:01:41,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 171.0s TimeCoverageRelationStatistics Valid=177, Invalid=650, Unknown=13, NotChecked=420, Total=1260 [2024-12-02 06:01:41,203 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:41,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 280 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:01:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 06:01:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 53. [2024-12-02 06:01:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:01:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2024-12-02 06:01:41,213 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 91 [2024-12-02 06:01:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:41,213 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2024-12-02 06:01:41,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 06:01:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-12-02 06:01:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 06:01:41,215 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:41,215 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:41,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-02 06:01:41,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 (5)] Ended with exit code 0 [2024-12-02 06:01:41,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 06:01:41,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:41,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:41,616 INFO L85 PathProgramCache]: Analyzing trace with hash -280229174, now seen corresponding path program 1 times [2024-12-02 06:01:41,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:01:41,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723510331] [2024-12-02 06:01:41,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:41,617 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 [2024-12-02 06:01:41,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:01:41,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 06:01:41,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 06:01:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:41,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 06:01:41,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:02:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 178 proven. 27 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-02 06:02:15,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:04:25,245 WARN L286 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:04:25,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:04:25,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723510331] [2024-12-02 06:04:25,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723510331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:04:25,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260412979] [2024-12-02 06:04:25,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:04:25,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 06:04:25,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 06:04:25,249 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 06:04:25,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28824387-3a16-42e1-85f8-1f9d2d4ab46a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 06:04:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:25,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 06:04:25,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:04:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 178 proven. 27 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-12-02 06:04:49,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:05:12,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [260412979] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:05:12,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 06:05:12,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16 [2024-12-02 06:05:12,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336370211] [2024-12-02 06:05:12,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 06:05:12,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 06:05:12,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:05:12,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 06:05:12,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=439, Unknown=11, NotChecked=0, Total=552 [2024-12-02 06:05:12,594 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14)