./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:31:15,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:31:15,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:31:15,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:31:15,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:31:15,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:31:15,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:31:15,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:31:15,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:31:15,590 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:31:15,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:31:15,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:31:15,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:31:15,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:31:15,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:31:15,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:31:15,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:31:15,594 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:15,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:15,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:15,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:15,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:31:15,596 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:31:15,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:31:15,597 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-23 23:31:15,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:31:15,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:31:15,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:31:15,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:31:15,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:31:15,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:18,859 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/955bf4afc/574f00bee28c441e8974a8efe13db0f1/FLAGc9cfc9deb [2024-11-23 23:31:19,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:31:19,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:19,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/955bf4afc/574f00bee28c441e8974a8efe13db0f1/FLAGc9cfc9deb [2024-11-23 23:31:21,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/955bf4afc/574f00bee28c441e8974a8efe13db0f1 [2024-11-23 23:31:21,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:31:21,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:31:21,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:21,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:31:21,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:31:21,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c449e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21, skipping insertion in model container [2024-11-23 23:31:21,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:31:21,712 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-23 23:31:21,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:21,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:31:21,810 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-23 23:31:21,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:21,865 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:31:21,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21 WrapperNode [2024-11-23 23:31:21,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:21,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:21,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:31:21,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:31:21,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,920 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-23 23:31:21,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:21,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:31:21,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:31:21,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:31:21,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:31:21,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:21,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:31:21,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:31:21,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:31:21,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:31:21,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (1/1) ... [2024-11-23 23:31:22,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:22,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:22,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:22,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:31:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:31:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:31:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:31:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:31:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:31:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:31:22,139 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:31:22,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:31:22,361 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 23:31:22,361 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:31:22,371 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:31:22,372 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:31:22,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:22 BoogieIcfgContainer [2024-11-23 23:31:22,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:31:22,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:31:22,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:31:22,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:31:22,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:31:21" (1/3) ... [2024-11-23 23:31:22,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507321fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:22, skipping insertion in model container [2024-11-23 23:31:22,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:21" (2/3) ... [2024-11-23 23:31:22,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507321fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:22, skipping insertion in model container [2024-11-23 23:31:22,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:22" (3/3) ... [2024-11-23 23:31:22,383 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:22,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:31:22,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-65.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:31:22,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:31:22,468 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;@e4e56d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:31:22,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:31:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:31:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:31:22,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:22,482 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:22,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:22,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:22,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-11-23 23:31:22,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:22,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468260370] [2024-11-23 23:31:22,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:22,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:31:22,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:22,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468260370] [2024-11-23 23:31:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468260370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:31:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6261428] [2024-11-23 23:31:22,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:22,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:31:22,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:22,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:31:22,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:31:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:22,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:31:22,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-23 23:31:22,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:31:22,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6261428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:22,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:31:22,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:31:22,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400477348] [2024-11-23 23:31:22,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:22,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:31:22,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:23,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:31:23,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:31:23,009 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:31:23,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:31:23,032 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-11-23 23:31:23,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:31:23,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-23 23:31:23,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:31:23,040 INFO L225 Difference]: With dead ends: 93 [2024-11-23 23:31:23,040 INFO L226 Difference]: Without dead ends: 46 [2024-11-23 23:31:23,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:31:23,050 INFO L435 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:31:23,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:31:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-23 23:31:23,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-23 23:31:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:31:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-23 23:31:23,104 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-11-23 23:31:23,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:31:23,105 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-23 23:31:23,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:31:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-23 23:31:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:31:23,110 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:23,110 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:23,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:23,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:31:23,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:23,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:23,313 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-11-23 23:31:23,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:23,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937158826] [2024-11-23 23:31:23,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:23,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-23 23:31:26,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:31:26,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937158826] [2024-11-23 23:31:26,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937158826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:26,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:26,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:31:26,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072955159] [2024-11-23 23:31:26,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:26,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:31:26,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:31:26,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:31:26,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:31:26,229 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:31:26,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:31:26,594 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-11-23 23:31:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:31:26,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2024-11-23 23:31:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:31:26,599 INFO L225 Difference]: With dead ends: 116 [2024-11-23 23:31:26,599 INFO L226 Difference]: Without dead ends: 73 [2024-11-23 23:31:26,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:31:26,602 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 47 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:31:26,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 310 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:31:26,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-23 23:31:26,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-11-23 23:31:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-23 23:31:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-11-23 23:31:26,632 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 102 [2024-11-23 23:31:26,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:31:26,632 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-11-23 23:31:26,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-23 23:31:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-23 23:31:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:31:26,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:26,638 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:26,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:31:26,638 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:26,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:26,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2108976808, now seen corresponding path program 1 times [2024-11-23 23:31:26,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:31:26,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210536166] [2024-11-23 23:31:26,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:26,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:26,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:31:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:26,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:31:26,818 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:31:26,820 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:31:26,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:31:26,826 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 23:31:26,937 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:31:26,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:31:26 BoogieIcfgContainer [2024-11-23 23:31:26,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:31:26,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:31:26,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:31:26,941 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:31:26,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:22" (3/4) ... [2024-11-23 23:31:26,945 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:31:26,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:31:26,947 INFO L158 Benchmark]: Toolchain (without parser) took 5441.08ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 87.2MB in the beginning and 70.8MB in the end (delta: 16.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-23 23:31:26,947 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:26,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 74.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:31:26,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.10ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:26,949 INFO L158 Benchmark]: Boogie Preprocessor took 66.94ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:31:26,949 INFO L158 Benchmark]: RCFGBuilder took 378.38ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 55.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:31:26,950 INFO L158 Benchmark]: TraceAbstraction took 4565.79ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 70.9MB in the end (delta: -15.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-23 23:31:26,950 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:26,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.52ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 74.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.10ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.94ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 378.38ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 55.6MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4565.79ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 70.9MB in the end (delta: -15.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 27.0kB). 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 to_int at line 52, overapproximation of to_int at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000000; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = -32; [L26] signed long int var_1_9 = 100; [L27] signed long int var_1_12 = 25; [L28] signed long int var_1_13 = 63; [L29] signed long int var_1_14 = 0; [L30] signed long int var_1_15 = 0; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] signed long int last_1_var_1_9 = 100; VAL [isInitial=0, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L100] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L70] var_1_12 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L73] var_1_13 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L76] var_1_14 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L77] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L79] var_1_15 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L82] var_1_17 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L83] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L85] var_1_19 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L101] RET updateVariables() [L102] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=0, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((signed long int) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((signed long int) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 376 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 135 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 408 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:31:26,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:31:29,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:31:29,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:31:29,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:31:29,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:31:29,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:31:29,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:31:29,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:31:29,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:31:29,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:31:29,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:31:29,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:31:29,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:31:29,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:31:29,931 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:31:29,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:31:29,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:31:29,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:31:29,934 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:31:29,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:29,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:29,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:29,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:29,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:31:29,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:29,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:31:29,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:31:29,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:29,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:31:29,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:31:29,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:31:29,937 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-11-23 23:31:30,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:31:30,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:31:30,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:31:30,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:31:30,266 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:31:30,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:33,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/4db64803c/c1165dae4e854fa4b794e8d56ac24e24/FLAG161252c9f [2024-11-23 23:31:33,685 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:31:33,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:33,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/4db64803c/c1165dae4e854fa4b794e8d56ac24e24/FLAG161252c9f [2024-11-23 23:31:33,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/data/4db64803c/c1165dae4e854fa4b794e8d56ac24e24 [2024-11-23 23:31:33,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:31:33,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:31:33,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:33,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:31:33,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:31:33,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:33" (1/1) ... [2024-11-23 23:31:33,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5b3b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:33, skipping insertion in model container [2024-11-23 23:31:33,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:33" (1/1) ... [2024-11-23 23:31:33,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:31:33,941 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-23 23:31:33,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:34,006 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:31:34,018 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_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-11-23 23:31:34,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:34,058 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:31:34,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34 WrapperNode [2024-11-23 23:31:34,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:34,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:34,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:31:34,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:31:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,098 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-23 23:31:34,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:34,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:31:34,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:31:34,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:31:34,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,130 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:31:34,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:31:34,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:31:34,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:31:34,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:31:34,155 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (1/1) ... [2024-11-23 23:31:34,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:31:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:34,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:34,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:31:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:31:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:31:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:31:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:31:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:31:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:31:34,312 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:31:34,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:31:40,520 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 23:31:40,520 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:31:40,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:31:40,534 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:31:40,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:40 BoogieIcfgContainer [2024-11-23 23:31:40,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:31:40,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:31:40,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:31:40,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:31:40,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:31:33" (1/3) ... [2024-11-23 23:31:40,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236bb013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:40, skipping insertion in model container [2024-11-23 23:31:40,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:34" (2/3) ... [2024-11-23 23:31:40,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236bb013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:31:40, skipping insertion in model container [2024-11-23 23:31:40,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:40" (3/3) ... [2024-11-23 23:31:40,544 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-11-23 23:31:40,556 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:31:40,558 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-65.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:31:40,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:31:40,624 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;@7746001, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:31:40,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:31:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:31:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:31:40,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:40,656 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:40,656 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:40,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:40,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-11-23 23:31:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:31:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472148468] [2024-11-23 23:31:40,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:40,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:40,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:31:40,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:31:40,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:31:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:40,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:31:40,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-23 23:31:41,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:31:41,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:31:41,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472148468] [2024-11-23 23:31:41,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472148468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:31:41,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:31:41,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:31:41,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974704345] [2024-11-23 23:31:41,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:31:41,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:31:41,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:31:41,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:31:41,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:31:41,031 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:31:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:31:41,058 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-11-23 23:31:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:31:41,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-23 23:31:41,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:31:41,068 INFO L225 Difference]: With dead ends: 93 [2024-11-23 23:31:41,069 INFO L226 Difference]: Without dead ends: 46 [2024-11-23 23:31:41,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:31:41,077 INFO L435 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:31:41,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:31:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-23 23:31:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-23 23:31:41,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 23:31:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-23 23:31:41,122 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-11-23 23:31:41,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:31:41,123 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-23 23:31:41,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:31:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-23 23:31:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 23:31:41,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:31:41,126 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:31:41,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:31:41,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:41,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:31:41,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-11-23 23:31:41,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:31:41,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653454652] [2024-11-23 23:31:41,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:41,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:31:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:31:41,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:31:41,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:31:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:41,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:31:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:41,803 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-23 23:31:41,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1416916604] [2024-11-23 23:31:41,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:41,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 23:31:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 23:31:41,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 23:31:41,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4d710d6-cb17-402d-8d80-0e6f5254b4d7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-23 23:31:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:42,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:31:42,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:32:47,762 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:32:55,840 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:03,159 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:11,235 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:19,976 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:26,660 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:34,926 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:33:43,018 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:04,170 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:12,255 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:20,709 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:28,796 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:38,310 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) [2024-11-23 23:34:46,414 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:34:53,605 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:01,691 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:12,397 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:20,504 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:28,937 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:37,023 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:35:46,706 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) [2024-11-23 23:35:54,791 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:03,035 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:11,132 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:21,835 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) [2024-11-23 23:36:29,934 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:37,644 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:45,732 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:36:55,619 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:03,701 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:10,404 WARN L286 SmtUtils]: Spent 6.59s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:18,490 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:28,050 WARN L286 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:36,169 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:44,247 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:50,706 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:37:58,338 WARN L286 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:04,833 WARN L286 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:14,481 WARN L286 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:22,591 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:28,629 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:34,436 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:42,803 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:50,918 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:38:59,046 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:06,555 WARN L286 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:17,184 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) [2024-11-23 23:39:25,299 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:33,376 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:41,949 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:50,099 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:39:58,184 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:05,492 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:13,609 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:21,691 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:27,052 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:32,714 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:40,828 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:48,911 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:40:56,633 WARN L286 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:06,918 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:15,030 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:25,914 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:34,020 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:45,193 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:41:53,327 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:01,420 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:09,334 WARN L286 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:17,462 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:25,052 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:32,148 WARN L286 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:38,923 WARN L286 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:47,037 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:42:55,119 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:03,229 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:15,446 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:23,569 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:31,683 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:39,807 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:47,893 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:43:56,006 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:04,122 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:12,235 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:20,321 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:28,448 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:36,587 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:44:45,274 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) [2024-11-23 23:44:53,405 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:45:01,544 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:45:09,620 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:45:17,719 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) [2024-11-23 23:45:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 320 proven. 39 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-23 23:45:19,840 INFO L312 TraceCheckSpWp]: Computing backward predicates...