./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd --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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:17:25,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:17:25,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:17:25,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:17:25,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:17:25,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:17:25,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:17:25,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:17:25,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:17:25,777 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:17:25,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:17:25,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:17:25,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:17:25,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:17:25,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:17:25,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:17:25,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:17:25,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:17:25,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:17:25,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:17:25,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:17:25,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:17:25,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:17:25,780 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:17:25,780 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:17:25,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:17:25,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:25,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:17:25,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:17:25,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:17:25,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:17:25,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:17:25,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:17:25,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:17:25,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:17:25,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:17:25,782 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_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2024-11-13 16:17:26,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:17:26,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:17:26,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:17:26,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:17:26,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:17:26,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-cbmc-regression/float13.c Unable to find full path for "g++" [2024-11-13 16:17:27,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:17:28,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:17:28,187 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c [2024-11-13 16:17:28,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/09b0fc401/44ac47f7fe57406a80d5713d2538985b/FLAGb92af64d8 [2024-11-13 16:17:28,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/09b0fc401/44ac47f7fe57406a80d5713d2538985b [2024-11-13 16:17:28,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:17:28,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:17:28,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:28,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:17:28,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:17:28,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e2b6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28, skipping insertion in model container [2024-11-13 16:17:28,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:17:28,392 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2024-11-13 16:17:28,396 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2024-11-13 16:17:28,397 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2024-11-13 16:17:28,397 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2024-11-13 16:17:28,398 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2024-11-13 16:17:28,399 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2024-11-13 16:17:28,400 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2024-11-13 16:17:28,401 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2024-11-13 16:17:28,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:28,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:17:28,427 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2024-11-13 16:17:28,427 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2024-11-13 16:17:28,429 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2024-11-13 16:17:28,431 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2024-11-13 16:17:28,432 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2024-11-13 16:17:28,435 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2024-11-13 16:17:28,436 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2024-11-13 16:17:28,437 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2024-11-13 16:17:28,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:28,458 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:17:28,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28 WrapperNode [2024-11-13 16:17:28,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:28,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:28,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:17:28,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:17:28,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,494 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-13 16:17:28,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:28,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:17:28,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:17:28,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:17:28,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,523 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]. [2024-11-13 16:17:28,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:17:28,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:17:28,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:17:28,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:17:28,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (1/1) ... [2024-11-13 16:17:28,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:28,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:28,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:17:28,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:17:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:17:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:17:28,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:17:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:17:28,684 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:17:28,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:17:28,887 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 16:17:28,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:17:28,901 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:17:28,902 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:17:28,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:28 BoogieIcfgContainer [2024-11-13 16:17:28,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:17:28,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:17:28,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:17:28,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:17:28,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:17:28" (1/3) ... [2024-11-13 16:17:28,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fd392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:28, skipping insertion in model container [2024-11-13 16:17:28,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:28" (2/3) ... [2024-11-13 16:17:28,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fd392f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:28, skipping insertion in model container [2024-11-13 16:17:28,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:28" (3/3) ... [2024-11-13 16:17:28,915 INFO L112 eAbstractionObserver]: Analyzing ICFG float13.c [2024-11-13 16:17:28,933 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:17:28,936 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float13.c that has 1 procedures, 37 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-13 16:17:29,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:17:29,023 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;@49eca7e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:17:29,025 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 16:17:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:17:29,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:29,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 16:17:29,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-13 16:17:29,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:29,041 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-13 16:17:29,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:17:29,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589968126] [2024-11-13 16:17:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:29,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:17:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:17:29,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:17:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:17:29,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:17:29,191 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:17:29,192 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-11-13 16:17:29,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-13 16:17:29,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-13 16:17:29,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-13 16:17:29,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-13 16:17:29,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-13 16:17:29,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-11-13 16:17:29,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-11-13 16:17:29,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:17:29,200 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 16:17:29,219 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:17:29,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:17:29 BoogieIcfgContainer [2024-11-13 16:17:29,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:17:29,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:17:29,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:17:29,224 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:17:29,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:28" (3/4) ... [2024-11-13 16:17:29,230 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:17:29,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:17:29,232 INFO L158 Benchmark]: Toolchain (without parser) took 1000.88ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 82.3MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:17:29,232 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:29,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.86ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:29,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.73ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:29,233 INFO L158 Benchmark]: Boogie Preprocessor took 46.60ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:29,234 INFO L158 Benchmark]: RCFGBuilder took 361.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:17:29,234 INFO L158 Benchmark]: TraceAbstraction took 317.07ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 82.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:29,234 INFO L158 Benchmark]: Witness Printer took 7.35ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:29,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.86ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.73ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.60ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.15ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 95.1MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 317.07ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 82.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.35ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. 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: 15]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L5] const float plus_infinity = 1.0f/0.0f; [L6] const float minus_infinity = 0.0f/-0.0f; [L7] const float NaN = 0.0f * (1.0f/0.0f); [L11] _Bool temp; [L14] temp = NaN < plus_infinity VAL [temp=1] [L15] COND TRUE !(!temp) [L15] reach_error() - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:17:29,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd --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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:17:31,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:17:31,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:17:32,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:17:32,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:17:32,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:17:32,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:17:32,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:17:32,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:17:32,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:17:32,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:17:32,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:17:32,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:17:32,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:17:32,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:17:32,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:17:32,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:17:32,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:17:32,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:17:32,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:32,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:17:32,046 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:17:32,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:17:32,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:17:32,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:17:32,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:17:32,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:17:32,047 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_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2024-11-13 16:17:32,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:17:32,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:17:32,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:17:32,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:17:32,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:17:32,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/floats-cbmc-regression/float13.c Unable to find full path for "g++" [2024-11-13 16:17:34,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:17:34,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:17:34,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c [2024-11-13 16:17:34,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/d839f0e3a/e22a1927e0204638b2344da5b89e5c04/FLAG45f928255 [2024-11-13 16:17:34,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/data/d839f0e3a/e22a1927e0204638b2344da5b89e5c04 [2024-11-13 16:17:34,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:17:34,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:17:34,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:34,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:17:34,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:17:34,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1db4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34, skipping insertion in model container [2024-11-13 16:17:34,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:17:34,716 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2024-11-13 16:17:34,719 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2024-11-13 16:17:34,720 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2024-11-13 16:17:34,723 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2024-11-13 16:17:34,726 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2024-11-13 16:17:34,726 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2024-11-13 16:17:34,730 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2024-11-13 16:17:34,731 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2024-11-13 16:17:34,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:34,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:17:34,770 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2024-11-13 16:17:34,771 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2024-11-13 16:17:34,771 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2024-11-13 16:17:34,772 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2024-11-13 16:17:34,773 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2024-11-13 16:17:34,776 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2024-11-13 16:17:34,777 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2024-11-13 16:17:34,777 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_7e53b214-55b9-4a68-81a7-8404e337d898/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2024-11-13 16:17:34,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:17:34,799 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:17:34,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34 WrapperNode [2024-11-13 16:17:34,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:17:34,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:34,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:17:34,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:17:34,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,842 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-13 16:17:34,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:17:34,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:17:34,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:17:34,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:17:34,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,867 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]. [2024-11-13 16:17:34,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:17:34,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:17:34,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:17:34,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:17:34,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (1/1) ... [2024-11-13 16:17:34,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:17:34,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:17:34,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:17:34,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:17:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:17:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:17:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:17:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:17:35,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:17:35,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:17:35,237 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 16:17:35,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:17:35,248 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:17:35,248 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:17:35,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:35 BoogieIcfgContainer [2024-11-13 16:17:35,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:17:35,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:17:35,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:17:35,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:17:35,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:17:34" (1/3) ... [2024-11-13 16:17:35,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26065874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:35, skipping insertion in model container [2024-11-13 16:17:35,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:17:34" (2/3) ... [2024-11-13 16:17:35,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26065874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:17:35, skipping insertion in model container [2024-11-13 16:17:35,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:35" (3/3) ... [2024-11-13 16:17:35,264 INFO L112 eAbstractionObserver]: Analyzing ICFG float13.c [2024-11-13 16:17:35,281 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:17:35,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float13.c that has 1 procedures, 37 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-13 16:17:35,347 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:17:35,363 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;@40ad9bb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:17:35,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 16:17:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:17:35,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:17:35,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 16:17:35,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-13 16:17:35,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:17:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-13 16:17:35,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:17:35,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346482630] [2024-11-13 16:17:35,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:17:35,395 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 [2024-11-13 16:17:35,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:17:35,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 16:17:35,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:17:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:17:35,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:17:35,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:17:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:17:35,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:17:35,710 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:17:35,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346482630] [2024-11-13 16:17:35,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346482630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:17:35,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:17:35,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:17:35,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893312758] [2024-11-13 16:17:35,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:17:35,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:17:35,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:17:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:17:35,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:17:35,742 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:17:35,933 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2024-11-13 16:17:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:17:35,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 16:17:35,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:17:35,941 INFO L225 Difference]: With dead ends: 55 [2024-11-13 16:17:35,941 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 16:17:35,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:17:35,947 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:17:35,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 7 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:17:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 16:17:35,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 16:17:35,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 16:17:35,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2024-11-13 16:17:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:17:35,973 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:17:35,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:17:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:17:35,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:17:35,977 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-11-13 16:17:35,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-11-13 16:17:35,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:17:36,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 16:17:36,183 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 16:17:36,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 16:17:36,190 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:17:36,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:17:36 BoogieIcfgContainer [2024-11-13 16:17:36,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:17:36,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:17:36,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:17:36,201 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:17:36,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:17:35" (3/4) ... [2024-11-13 16:17:36,206 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:17:36,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 16:17:36,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:17:36,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 16:17:36,216 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:17:36,293 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 16:17:36,294 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 16:17:36,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:17:36,295 INFO L158 Benchmark]: Toolchain (without parser) took 1770.57ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 46.9MB in the end (delta: 15.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:36,296 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:36,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.80ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 50.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:36,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.17ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 49.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:36,297 INFO L158 Benchmark]: Boogie Preprocessor took 49.30ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:36,298 INFO L158 Benchmark]: RCFGBuilder took 355.78ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 36.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:17:36,298 INFO L158 Benchmark]: TraceAbstraction took 948.49ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 51.4MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:36,298 INFO L158 Benchmark]: Witness Printer took 93.25ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 46.9MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:17:36,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.80ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 50.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.17ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 49.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.30ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 355.78ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 36.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 948.49ms. Allocated memory is still 83.9MB. Free memory was 36.0MB in the beginning and 51.4MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.25ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 46.9MB in the end (delta: 4.5MB). 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 - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 24]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 30]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 36]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 16 SizeOfPredicates, 3 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 16:17:36,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e53b214-55b9-4a68-81a7-8404e337d898/bin/uautomizer-verify-qhAvR1uOyd/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 Writing output log to file Ultimate.log Result: TRUE