./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:03:30,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:03:30,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:03:30,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:03:30,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:03:30,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:03:30,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:03:30,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:03:30,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:03:30,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:03:30,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:03:30,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:03:30,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:03:30,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:03:30,563 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:03:30,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:03:30,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:03:30,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:03:30,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:03:30,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:03:30,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:03:30,566 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-13 14:03:30,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:03:30,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:03:30,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:03:30,935 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:03:30,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:03:30,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-13 14:03:33,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:03:33,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:03:33,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-13 14:03:33,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/d53bda9bf/67c2a1ac4e394a1fa6cf85a5b006a955/FLAGb3615ac14 [2024-11-13 14:03:33,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/d53bda9bf/67c2a1ac4e394a1fa6cf85a5b006a955 [2024-11-13 14:03:33,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:03:33,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:03:33,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:03:33,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:03:33,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:03:33,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:03:33" (1/1) ... [2024-11-13 14:03:33,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c65f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:33, skipping insertion in model container [2024-11-13 14:03:33,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:03:33" (1/1) ... [2024-11-13 14:03:33,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:03:34,092 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 14:03:34,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:03:34,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:03:34,166 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 14:03:34,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:03:34,192 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:03:34,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34 WrapperNode [2024-11-13 14:03:34,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:03:34,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:03:34,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:03:34,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:03:34,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,275 INFO L138 Inliner]: procedures = 16, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 258 [2024-11-13 14:03:34,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:03:34,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:03:34,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:03:34,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:03:34,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,338 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 3, 2, 3, 2, 9, 3, 3, 3, 3, 2, 3]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 2, 1, 2, 1, 6, 2, 1, 2, 2, 1, 2]. [2024-11-13 14:03:34,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:03:34,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:03:34,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:03:34,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:03:34,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (1/1) ... [2024-11-13 14:03:34,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:03:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:34,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:34,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:03:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-13 14:03:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-13 14:03:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:03:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:03:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:03:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:03:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:03:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:03:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:03:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:03:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 14:03:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-13 14:03:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:03:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:03:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:03:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:03:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:03:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:03:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:03:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 14:03:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 14:03:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 14:03:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 14:03:34,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 14:03:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:03:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:03:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 14:03:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 14:03:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:03:34,796 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:03:34,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:03:35,313 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-13 14:03:35,313 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:03:35,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:03:35,326 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 14:03:35,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:35 BoogieIcfgContainer [2024-11-13 14:03:35,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:03:35,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:03:35,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:03:35,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:03:35,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:03:33" (1/3) ... [2024-11-13 14:03:35,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4237d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:03:35, skipping insertion in model container [2024-11-13 14:03:35,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:34" (2/3) ... [2024-11-13 14:03:35,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4237d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:03:35, skipping insertion in model container [2024-11-13 14:03:35,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:35" (3/3) ... [2024-11-13 14:03:35,340 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-11-13 14:03:35,361 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:03:35,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1210.c that has 2 procedures, 72 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2024-11-13 14:03:35,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:03:35,485 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;@7dac448a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:03:35,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:03:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 67 states have (on average 1.5970149253731343) internal successors, (107), 68 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 14:03:35,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:35,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:35,504 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:35,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:35,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1724569475, now seen corresponding path program 1 times [2024-11-13 14:03:35,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:35,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332679109] [2024-11-13 14:03:35,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:03:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:35,738 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 14:03:35,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:35,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332679109] [2024-11-13 14:03:35,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332679109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:35,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:35,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:03:35,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428319324] [2024-11-13 14:03:35,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:35,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:03:35,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:03:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:03:35,773 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.5970149253731343) internal successors, (107), 68 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:35,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:35,811 INFO L93 Difference]: Finished difference Result 142 states and 220 transitions. [2024-11-13 14:03:35,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:03:35,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-13 14:03:35,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:35,822 INFO L225 Difference]: With dead ends: 142 [2024-11-13 14:03:35,822 INFO L226 Difference]: Without dead ends: 69 [2024-11-13 14:03:35,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:03:35,831 INFO L432 NwaCegarLoop]: 90 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, 90 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 [2024-11-13 14:03:35,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:03:35,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-13 14:03:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-13 14:03:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 65 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-13 14:03:35,888 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 17 [2024-11-13 14:03:35,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:35,888 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-13 14:03:35,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-13 14:03:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:03:35,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:35,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:35,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:03:35,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:35,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash -36999179, now seen corresponding path program 1 times [2024-11-13 14:03:35,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:35,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600760586] [2024-11-13 14:03:35,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:35,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:03:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:36,171 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 14:03:36,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:03:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600760586] [2024-11-13 14:03:36,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600760586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:36,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:36,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:03:36,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576225603] [2024-11-13 14:03:36,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:36,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:03:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:03:36,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:03:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:03:36,179 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:36,213 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2024-11-13 14:03:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:03:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-13 14:03:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:36,214 INFO L225 Difference]: With dead ends: 72 [2024-11-13 14:03:36,215 INFO L226 Difference]: Without dead ends: 69 [2024-11-13 14:03:36,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:03:36,216 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:03:36,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:03:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-13 14:03:36,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-13 14:03:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 65 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-11-13 14:03:36,225 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 19 [2024-11-13 14:03:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:36,227 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-11-13 14:03:36,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-11-13 14:03:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 14:03:36,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:36,228 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:36,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:03:36,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:36,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash -760991977, now seen corresponding path program 1 times [2024-11-13 14:03:36,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:03:36,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033155180] [2024-11-13 14:03:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:36,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:03:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:36,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:36,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:03:36,399 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:03:36,400 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:03:36,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:03:36,408 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 14:03:36,442 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:03:36,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:03:36 BoogieIcfgContainer [2024-11-13 14:03:36,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:03:36,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:03:36,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:03:36,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:03:36,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:35" (3/4) ... [2024-11-13 14:03:36,454 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:03:36,454 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:03:36,456 INFO L158 Benchmark]: Toolchain (without parser) took 2705.32ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 44.5MB in the end (delta: 38.8MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-13 14:03:36,457 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:36,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.35ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 70.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:03:36,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.39ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:03:36,458 INFO L158 Benchmark]: Boogie Preprocessor took 120.43ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:36,458 INFO L158 Benchmark]: RCFGBuilder took 928.31ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 42.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:03:36,458 INFO L158 Benchmark]: TraceAbstraction took 1118.05ms. Allocated memory is still 109.1MB. Free memory was 42.2MB in the beginning and 44.5MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:36,459 INFO L158 Benchmark]: Witness Printer took 5.51ms. Allocated memory is still 109.1MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:36,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.35ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 70.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.39ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.43ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 928.31ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 42.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1118.05ms. Allocated memory is still 109.1MB. Free memory was 42.2MB in the beginning and 44.5MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.51ms. Allocated memory is still 109.1MB. Free memory is still 44.5MB. 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 - UnprovableResult [Line: 124]: 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 someBinaryArithmeticDOUBLEoperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [iptr={6:0}, one_modf=1, x=4294967315] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=-2147483648, i1=-1, iptr={6:0}, j0=-1023, one_modf=1, x=4294967315] [L31] COND TRUE j0 < 20 VAL [one_modf=1] [L32] COND TRUE j0 < 0 VAL [one_modf=1] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [\result=4294967315, i0=-2147483648, i1=-1, iptr={6:0}, one_modf=1] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=4294967314, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967314, \result=1, one_modf=1] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1, res=4294967315] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=4294967315] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967315, one_modf=1] [L17] return x != x; VAL [\old(x)=4294967315, \result=0, one_modf=1] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1, res=4294967315] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=4294967315] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1, res=4294967315] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 177 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 14:03:36,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:03:39,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:03:39,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:03:39,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:03:39,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:03:39,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:03:39,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:03:39,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:03:39,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:03:39,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:03:39,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:03:39,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:03:39,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:03:39,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:03:39,844 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:03:39,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:03:39,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:03:39,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:03:39,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:03:39,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:03:39,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:03:39,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:03:39,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:03:39,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:03:39,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:03:39,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:03:39,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:03:39,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:03:39,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:03:39,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:03:39,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:03:39,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:03:39,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:03:39,848 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:03:39,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:03:39,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:03:39,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:03:39,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:03:39,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:03:39,849 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 -> ec4125207afaf1b514f6960540fbcd04b5d06d11b290a09d0632548b03e12b1f [2024-11-13 14:03:40,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:03:40,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:03:40,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:03:40,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:03:40,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:03:40,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1210.c Unable to find full path for "g++" [2024-11-13 14:03:42,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:03:42,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:03:42,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2024-11-13 14:03:42,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/d50f7818f/4a88fc0f367c4e6aaf18173dc4259059/FLAGb7783e705 [2024-11-13 14:03:42,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/data/d50f7818f/4a88fc0f367c4e6aaf18173dc4259059 [2024-11-13 14:03:42,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:03:42,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:03:42,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:03:42,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:03:42,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:03:42,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:03:42" (1/1) ... [2024-11-13 14:03:42,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6ad952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:42, skipping insertion in model container [2024-11-13 14:03:42,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:03:42" (1/1) ... [2024-11-13 14:03:42,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:03:42,979 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 14:03:42,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:03:43,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:03:43,075 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_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/sv-benchmarks/c/float-newlib/double_req_bl_1210.c[3091,3104] [2024-11-13 14:03:43,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:03:43,096 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:03:43,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43 WrapperNode [2024-11-13 14:03:43,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:03:43,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:03:43,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:03:43,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:03:43,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,175 INFO L138 Inliner]: procedures = 19, calls = 70, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 202 [2024-11-13 14:03:43,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:03:43,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:03:43,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:03:43,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:03:43,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,237 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 3, 3, 3, 2, 3, 3, 2, 3, 3, 2, 9]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 6]. [2024-11-13 14:03:43,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:03:43,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:03:43,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:03:43,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:03:43,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (1/1) ... [2024-11-13 14:03:43,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:03:43,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:03:43,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:03:43,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:03:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-11-13 14:03:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-11-13 14:03:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:03:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 14:03:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 14:03:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 14:03:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 14:03:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-13 14:03:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-13 14:03:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-13 14:03:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 14:03:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 14:03:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 14:03:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 14:03:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:03:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 14:03:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:03:43,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 14:03:43,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-13 14:03:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:03:43,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:03:43,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:03:47,365 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-13 14:03:47,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:03:47,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:03:47,384 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-13 14:03:47,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:47 BoogieIcfgContainer [2024-11-13 14:03:47,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:03:47,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:03:47,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:03:47,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:03:47,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:03:42" (1/3) ... [2024-11-13 14:03:47,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704110aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:03:47, skipping insertion in model container [2024-11-13 14:03:47,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:03:43" (2/3) ... [2024-11-13 14:03:47,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704110aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:03:47, skipping insertion in model container [2024-11-13 14:03:47,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:47" (3/3) ... [2024-11-13 14:03:47,403 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-11-13 14:03:47,423 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:03:47,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1210.c that has 2 procedures, 49 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2024-11-13 14:03:47,497 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:03:47,519 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;@7d7ab875, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:03:47,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:03:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 45 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:47,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 14:03:47,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:47,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:47,541 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:47,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1051730577, now seen corresponding path program 1 times [2024-11-13 14:03:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:03:47,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137820339] [2024-11-13 14:03:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:47,576 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 14:03:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:03:47,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:47,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:47,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:03:47,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:47,892 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 14:03:47,893 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:03:47,894 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:03:47,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137820339] [2024-11-13 14:03:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137820339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:47,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:47,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:03:47,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319124915] [2024-11-13 14:03:47,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:47,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:03:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:03:47,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:03:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:03:47,932 INFO L87 Difference]: Start difference. First operand has 49 states, 44 states have (on average 1.6363636363636365) internal successors, (72), 45 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:47,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:47,957 INFO L93 Difference]: Finished difference Result 96 states and 150 transitions. [2024-11-13 14:03:47,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:03:47,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-13 14:03:47,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:47,965 INFO L225 Difference]: With dead ends: 96 [2024-11-13 14:03:47,966 INFO L226 Difference]: Without dead ends: 46 [2024-11-13 14:03:47,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:03:47,973 INFO L432 NwaCegarLoop]: 55 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, 55 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 [2024-11-13 14:03:47,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:03:47,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-13 14:03:48,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-13 14:03:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2024-11-13 14:03:48,026 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 17 [2024-11-13 14:03:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:48,026 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2024-11-13 14:03:48,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2024-11-13 14:03:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:03:48,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:48,029 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:48,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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)] Forceful destruction successful, exit code 0 [2024-11-13 14:03:48,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:48,230 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:48,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:48,231 INFO L85 PathProgramCache]: Analyzing trace with hash 635839719, now seen corresponding path program 1 times [2024-11-13 14:03:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:03:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795875527] [2024-11-13 14:03:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:48,232 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 14:03:48,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:03:48,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:48,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (3)] Waiting until timeout for monitored process [2024-11-13 14:03:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:48,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:03:48,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:48,928 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 14:03:48,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:03:48,929 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:03:48,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795875527] [2024-11-13 14:03:48,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795875527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:48,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:48,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:03:48,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713520055] [2024-11-13 14:03:48,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:48,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:03:48,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:03:48,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:03:48,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:03:48,933 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:53,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 14:03:54,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:54,148 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2024-11-13 14:03:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:03:54,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-13 14:03:54,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:54,151 INFO L225 Difference]: With dead ends: 58 [2024-11-13 14:03:54,151 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 14:03:54,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:03:54,153 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 16 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:03:54,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 65 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-13 14:03:54,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 14:03:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 14:03:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2024-11-13 14:03:54,169 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2024-11-13 14:03:54,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:54,169 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2024-11-13 14:03:54,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-13 14:03:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 14:03:54,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:54,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:54,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (3)] Ended with exit code 0 [2024-11-13 14:03:54,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:54,374 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:54,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:54,375 INFO L85 PathProgramCache]: Analyzing trace with hash 910804902, now seen corresponding path program 1 times [2024-11-13 14:03:54,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:03:54,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537052517] [2024-11-13 14:03:54,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:54,376 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 14:03:54,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:03:54,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (4)] Waiting until timeout for monitored process [2024-11-13 14:03:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:03:54,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:03:54,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:03:54,943 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 14:03:54,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:03:54,944 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:03:54,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537052517] [2024-11-13 14:03:54,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537052517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:03:54,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:03:54,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:03:54,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457137658] [2024-11-13 14:03:54,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:03:54,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:03:54,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:03:54,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:03:54,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:03:54,946 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:54,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:03:54,993 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-13 14:03:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:03:54,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-13 14:03:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:03:54,995 INFO L225 Difference]: With dead ends: 27 [2024-11-13 14:03:54,995 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 14:03:54,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:03:54,996 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:03:54,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:03:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 14:03:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 14:03:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 14:03:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-13 14:03:55,008 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 21 [2024-11-13 14:03:55,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:03:55,011 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-13 14:03:55,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:03:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-13 14:03:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:03:55,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:03:55,014 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:03:55,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (4)] Ended with exit code 0 [2024-11-13 14:03:55,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:55,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:03:55,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:03:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1635998456, now seen corresponding path program 1 times [2024-11-13 14:03:55,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:03:55,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051281087] [2024-11-13 14:03:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:03:55,217 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 14:03:55,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:03:55,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:55,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (5)] Waiting until timeout for monitored process [2024-11-13 14:03:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:55,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:03:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:03:56,577 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-13 14:03:56,577 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:03:56,578 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:03:56,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 (5)] Ended with exit code 0 [2024-11-13 14:03:56,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 14:03:56,785 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 14:03:56,837 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:03:56,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:03:56 BoogieIcfgContainer [2024-11-13 14:03:56,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:03:56,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:03:56,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:03:56,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:03:56,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:03:47" (3/4) ... [2024-11-13 14:03:56,846 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:03:56,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:03:56,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:03:56,926 INFO L158 Benchmark]: Toolchain (without parser) took 14279.17ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 92.6MB in the beginning and 186.0MB in the end (delta: -93.3MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-11-13 14:03:56,927 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:56,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:03:56,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.46ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:03:56,933 INFO L158 Benchmark]: Boogie Preprocessor took 119.40ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:56,933 INFO L158 Benchmark]: RCFGBuilder took 4084.59ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 52.4MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 14:03:56,933 INFO L158 Benchmark]: TraceAbstraction took 9454.76ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 51.8MB in the beginning and 188.2MB in the end (delta: -136.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-13 14:03:56,934 INFO L158 Benchmark]: Witness Printer took 81.78ms. Allocated memory is still 276.8MB. Free memory was 188.2MB in the beginning and 186.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:03:56,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.2MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.46ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.6MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.40ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4084.59ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 52.4MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9454.76ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 51.8MB in the beginning and 188.2MB in the end (delta: -136.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 81.78ms. Allocated memory is still 276.8MB. Free memory was 188.2MB in the beginning and 186.0MB in the end (delta: 2.3MB). 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 - CounterExampleResult [Line: 124]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1.0] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L120] CALL, EXPR modf_double(x, &iptr) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [iptr={-2147483648:0}, one_modf=1.0, x=NaN] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=2146435072, i1=-2147483648, iptr={-2147483648:0}, j0=1024, one_modf=1.0, x=NaN] [L31] COND FALSE !(j0 < 20) VAL [one_modf=1.0] [L67] COND TRUE j0 > 51 [L68] __uint32_t high; [L69] *iptr = x * one_modf VAL [one_modf=1.0] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (high) = gh_u.parts.msw [L76] ieee_double_shape_type iw_u; [L77] iw_u.parts.msw = (high & 0x80000000) [L78] iw_u.parts.lsw = (0) [L79] EXPR iw_u.value [L79] (x) = iw_u.value [L81] return x; VAL [\result=0.0, high=2146959360, i0=2146435072, i1=-2147483648, one_modf=1.0] [L120] RET, EXPR modf_double(x, &iptr) [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1.0] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=NaN, one_modf=1.0] [L17] return x != x; VAL [\old(x)=NaN, \result=1, one_modf=1.0] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1.0, res=0.0] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=0.0, one_modf=1.0] [L17] return x != x; VAL [\old(x)=0.0, \result=0, one_modf=1.0] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1.0, res=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 100 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 4 QuantifiedInterpolants, 118 SizeOfPredicates, 5 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 proved your program to be incorrect! [2024-11-13 14:03:57,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b1ed5fe-3f83-4a20-bcad-9e2704e15584/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE