./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:01:44,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:01:44,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:01:44,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:01:44,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:01:44,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:01:44,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:01:44,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:01:44,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:01:44,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:01:44,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:01:44,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:01:44,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:01:44,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:01:44,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:01:44,792 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:01:44,793 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:44,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:44,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:01:44,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:01:44,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:01:44,794 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2024-12-02 12:01:45,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:01:45,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:01:45,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:01:45,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:01:45,022 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:01:45,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:47,678 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/dfd26c672/a52ebafb01054c41a069e125614e649d/FLAG3bb341d9a [2024-12-02 12:01:47,867 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:01:47,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:47,874 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/dfd26c672/a52ebafb01054c41a069e125614e649d/FLAG3bb341d9a [2024-12-02 12:01:48,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/dfd26c672/a52ebafb01054c41a069e125614e649d [2024-12-02 12:01:48,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:01:48,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:01:48,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:48,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:01:48,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:01:48,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb0cedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48, skipping insertion in model container [2024-12-02 12:01:48,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:01:48,346 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-12-02 12:01:48,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:48,388 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:01:48,396 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-12-02 12:01:48,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:48,424 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:01:48,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48 WrapperNode [2024-12-02 12:01:48,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:48,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:48,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:01:48,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:01:48,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,457 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-12-02 12:01:48,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:48,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:01:48,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:01:48,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:01:48,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,476 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 12:01:48,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:01:48,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:01:48,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:01:48,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:01:48,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (1/1) ... [2024-12-02 12:01:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:48,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:48,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:01:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:01:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:01:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:01:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:01:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:01:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:01:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:01:48,595 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:01:48,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:01:48,756 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 12:01:48,757 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:01:48,766 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:01:48,766 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:01:48,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:48 BoogieIcfgContainer [2024-12-02 12:01:48,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:01:48,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:01:48,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:01:48,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:01:48,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:01:48" (1/3) ... [2024-12-02 12:01:48,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ba1632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:48, skipping insertion in model container [2024-12-02 12:01:48,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:48" (2/3) ... [2024-12-02 12:01:48,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ba1632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:48, skipping insertion in model container [2024-12-02 12:01:48,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:48" (3/3) ... [2024-12-02 12:01:48,775 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:48,786 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:01:48,788 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-51.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:01:48,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:01:48,840 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;@67b1f6cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:01:48,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:01:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:01:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 12:01:48,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:48,850 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:48,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:48,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:48,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1577769132, now seen corresponding path program 1 times [2024-12-02 12:01:48,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:48,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563994438] [2024-12-02 12:01:48,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 12:01:49,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:49,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563994438] [2024-12-02 12:01:49,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563994438] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532703554] [2024-12-02 12:01:49,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:49,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:49,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:01:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:49,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:01:49,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 12:01:49,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:49,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532703554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:49,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:49,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:01:49,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627523758] [2024-12-02 12:01:49,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:49,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:01:49,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:49,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:01:49,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:01:49,196 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:01:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:49,214 INFO L93 Difference]: Finished difference Result 87 states and 137 transitions. [2024-12-02 12:01:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:01:49,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-12-02 12:01:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:49,220 INFO L225 Difference]: With dead ends: 87 [2024-12-02 12:01:49,220 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 12:01:49,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 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 12:01:49,224 INFO L435 NwaCegarLoop]: 61 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, 61 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 12:01:49,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 12:01:49,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 12:01:49,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:01:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2024-12-02 12:01:49,251 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 81 [2024-12-02 12:01:49,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:49,252 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2024-12-02 12:01:49,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:01:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-12-02 12:01:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 12:01:49,254 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:49,254 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:49,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:01:49,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:01:49,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:49,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:49,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1812071960, now seen corresponding path program 1 times [2024-12-02 12:01:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:49,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61453431] [2024-12-02 12:01:49,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:49,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:01:49,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090166262] [2024-12-02 12:01:49,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:49,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:49,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:49,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:01:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:01:49,686 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:01:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:01:49,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:01:49,757 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:01:49,758 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:01:49,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:01:49,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:49,962 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 12:01:50,003 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:01:50,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:01:50 BoogieIcfgContainer [2024-12-02 12:01:50,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:01:50,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:01:50,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:01:50,007 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:01:50,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:48" (3/4) ... [2024-12-02 12:01:50,009 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:01:50,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:01:50,011 INFO L158 Benchmark]: Toolchain (without parser) took 1783.87ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 59.8MB in the end (delta: 32.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-12-02 12:01:50,011 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:01:50,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.61ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:01:50,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.77ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:01:50,012 INFO L158 Benchmark]: Boogie Preprocessor took 32.07ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:01:50,012 INFO L158 Benchmark]: RCFGBuilder took 276.26ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:01:50,013 INFO L158 Benchmark]: TraceAbstraction took 1237.39ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 59.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:01:50,013 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:01:50,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.61ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.77ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.07ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.26ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 62.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1237.39ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 59.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 59.8MB 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 someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] unsigned short int var_1_7 = 50; [L27] signed short int var_1_8 = 5; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = -100; [L30] unsigned long int var_1_12 = 10000000; [L31] unsigned short int var_1_13 = 2; [L32] unsigned short int var_1_14 = 4; [L33] double var_1_15 = 4.5; VAL [isInitial=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L89] isInitial = 1 [L90] FCALL initially() [L91] int k_loop; [L92] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L92] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L93] FCALL updateLastVariables() [L94] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-16, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L66] var_1_5 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L67] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L68] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L69] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=10001/100, var_1_7=50, var_1_8=5, var_1_9=256] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=5, var_1_9=256] [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=5, var_1_9=256] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L73] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L74] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L74] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=256] [L75] var_1_9 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1] [L77] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L77] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=4, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L78] var_1_14 = __VERIFIER_nondet_ushort() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L80] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L80] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=50, var_1_8=1, var_1_9=-32769] [L94] RET updateVariables() [L95] CALL step() [L37] COND TRUE ! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))) [L38] var_1_7 = (var_1_9 + 1) VAL [isInitial=1, var_1_10=-100, var_1_12=10000000, var_1_13=2, var_1_14=0, var_1_15=9/2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L40] var_1_12 = var_1_9 [L41] var_1_13 = var_1_14 [L42] var_1_15 = var_1_6 [L43] unsigned long int stepLocal_0 = var_1_12; VAL [isInitial=1, stepLocal_0=32767, var_1_10=-100, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=54/5, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L44] COND FALSE !(\read(var_1_2)) [L51] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=32767, var_1_10=-100, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L53] unsigned char stepLocal_1 = (var_1_6 * var_1_15) >= var_1_1; VAL [isInitial=1, stepLocal_0=32767, stepLocal_1=0, var_1_10=-100, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L54] COND FALSE !(stepLocal_1 || var_1_2) [L59] var_1_10 = -1 VAL [isInitial=1, stepLocal_0=32767, var_1_10=-1, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L95] RET step() [L96] CALL, EXPR property() [L85-L86] return (((((var_1_2 ? ((var_1_12 >= (var_1_12 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) var_1_6))) : (var_1_1 == ((double) var_1_6))) && ((! (var_1_5 >= ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_7 == ((unsigned short int) (var_1_9 + 1))) : 1)) && ((((var_1_6 * var_1_15) >= var_1_1) || var_1_2) ? ((var_1_6 <= var_1_1) ? (var_1_10 == ((signed long int) var_1_9)) : 1) : (var_1_10 == ((signed long int) -1)))) && (var_1_12 == ((unsigned long int) var_1_9))) && (var_1_13 == ((unsigned short int) var_1_14))) && (var_1_15 == ((double) var_1_6)) ; VAL [\result=0, isInitial=1, var_1_10=-1, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-1, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] [L19] reach_error() VAL [isInitial=1, var_1_10=-1, var_1_12=32767, var_1_13=0, var_1_14=0, var_1_15=2, var_1_1=2, var_1_2=0, var_1_5=-1, var_1_6=2, var_1_7=32768, var_1_8=1, var_1_9=-32769] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 12, 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, 61 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, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 82 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 506/528 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 12:01:50,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:01:51,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:01:51,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:01:51,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:01:51,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:01:52,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:01:52,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:01:52,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:01:52,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:01:52,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:01:52,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:01:52,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:01:52,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:01:52,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:01:52,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:01:52,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:01:52,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:52,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:52,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:52,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:01:52,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:01:52,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:01:52,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:01:52,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:01:52,025 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 -> 4d0d9346d03692e5aa17dc110f0097921008598edde0d474bc7067d212c257c2 [2024-12-02 12:01:52,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:01:52,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:01:52,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:01:52,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:01:52,280 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:01:52,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:54,901 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/69f4f05d4/2c5025757ebc415ebfebb31d5528d622/FLAGda4064e56 [2024-12-02 12:01:55,079 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:01:55,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:55,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/69f4f05d4/2c5025757ebc415ebfebb31d5528d622/FLAGda4064e56 [2024-12-02 12:01:55,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/data/69f4f05d4/2c5025757ebc415ebfebb31d5528d622 [2024-12-02 12:01:55,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:01:55,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:01:55,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:55,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:01:55,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:01:55,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55, skipping insertion in model container [2024-12-02 12:01:55,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:01:55,591 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-12-02 12:01:55,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:55,638 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:01:55,645 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_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-51.i[915,928] [2024-12-02 12:01:55,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:55,671 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:01:55,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55 WrapperNode [2024-12-02 12:01:55,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:55,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:55,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:01:55,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:01:55,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,699 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2024-12-02 12:01:55,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:55,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:01:55,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:01:55,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:01:55,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,718 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 12:01:55,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,722 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:01:55,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:01:55,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:01:55,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:01:55,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (1/1) ... [2024-12-02 12:01:55,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:55,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:55,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:01:55,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:01:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:01:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:01:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:01:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:01:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:01:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:01:55,832 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:01:55,834 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:01:59,538 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 12:01:59,538 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:01:59,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:01:59,552 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:01:59,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:59 BoogieIcfgContainer [2024-12-02 12:01:59,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:01:59,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:01:59,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:01:59,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:01:59,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:01:55" (1/3) ... [2024-12-02 12:01:59,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ff637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:59, skipping insertion in model container [2024-12-02 12:01:59,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:55" (2/3) ... [2024-12-02 12:01:59,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ff637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:59, skipping insertion in model container [2024-12-02 12:01:59,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:59" (3/3) ... [2024-12-02 12:01:59,560 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-51.i [2024-12-02 12:01:59,570 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:01:59,571 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-51.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:01:59,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:01:59,618 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2524a7e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:01:59,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:01:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:01:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 12:01:59,626 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:59,626 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:59,626 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:59,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:59,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1577769132, now seen corresponding path program 1 times [2024-12-02 12:01:59,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:01:59,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305459539] [2024-12-02 12:01:59,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:59,637 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 12:01:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:01:59,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:01:59,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:01:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:59,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:01:59,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 12:01:59,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:59,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:01:59,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305459539] [2024-12-02 12:01:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305459539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:59,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:59,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:01:59,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992059461] [2024-12-02 12:01:59,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:59,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:01:59,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:02:00,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:02:00,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:02:00,008 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:02:00,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:00,025 INFO L93 Difference]: Finished difference Result 87 states and 137 transitions. [2024-12-02 12:02:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:02:00,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2024-12-02 12:02:00,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:00,031 INFO L225 Difference]: With dead ends: 87 [2024-12-02 12:02:00,031 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 12:02:00,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 12:02:00,036 INFO L435 NwaCegarLoop]: 61 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, 61 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 12:02:00,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:00,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 12:02:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 12:02:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:02:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2024-12-02 12:02:00,064 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 81 [2024-12-02 12:02:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:00,065 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2024-12-02 12:02:00,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 12:02:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-12-02 12:02:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 12:02:00,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:00,068 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:00,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:02:00,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:02:00,268 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:02:00,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:00,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1812071960, now seen corresponding path program 1 times [2024-12-02 12:02:00,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:02:00,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170416687] [2024-12-02 12:02:00,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:00,270 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 12:02:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:02:00,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:02:00,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785280ff-6c05-4ce1-89ad-fb2d91ceacc7/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 12:02:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:00,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 12:02:00,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:02:38,120 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 12:03:26,803 WARN L286 SmtUtils]: Spent 11.28s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 12:05:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 141 proven. 18 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 12:05:06,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:07:12,898 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:07:31,789 WARN L286 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:08:34,656 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:09:47,454 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:25,362 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:10:45,005 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:02,625 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:11:37,663 WARN L286 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:32,830 WARN L286 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:44,197 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:12:56,102 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:13:58,631 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:29,553 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:14:58,627 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 12:15:08,386 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)