./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/float_req_bl_1252b.yml/witness.yml -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bf1304be Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/float_req_bl_1252b.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-bf1304b-m [2024-08-06 17:17:11,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:17:11,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:17:11,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:17:11,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:17:11,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:17:11,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:17:11,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:17:11,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:17:11,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:17:11,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:17:11,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:17:11,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:17:11,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:17:11,914 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:17:11,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:17:11,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:17:11,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:17:11,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:17:11,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:17:11,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:17:11,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:17:11,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:17:11,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:17:11,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:17:11,925 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:17:11,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:17:11,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:17:11,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:17:11,926 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:17:11,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:17:11,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:17:11,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:17:11,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:17:11,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:17:11,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:17:11,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:17:11,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:17:11,929 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:17:11,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:17:11,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:17:11,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:17:11,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:17:11,931 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:17:12,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:17:12,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:17:12,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:17:12,249 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:17:12,250 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:17:12,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/float_req_bl_1252b.yml/witness.yml [2024-08-06 17:17:12,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:17:12,340 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:17:12,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c [2024-08-06 17:17:13,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:17:14,060 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:17:14,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c [2024-08-06 17:17:14,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf1062ac/3e165b373ad64725a7976c91d80e21b4/FLAGa829fe91d [2024-08-06 17:17:14,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf1062ac/3e165b373ad64725a7976c91d80e21b4 [2024-08-06 17:17:14,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:17:14,446 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:17:14,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:17:14,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:17:14,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:17:14,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:17:12" (1/2) ... [2024-08-06 17:17:14,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca8e30c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:17:14, skipping insertion in model container [2024-08-06 17:17:14,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:17:12" (1/2) ... [2024-08-06 17:17:14,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53e36268 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:17:14, skipping insertion in model container [2024-08-06 17:17:14,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:17:14" (2/2) ... [2024-08-06 17:17:14,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca8e30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14, skipping insertion in model container [2024-08-06 17:17:14,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:17:14" (2/2) ... [2024-08-06 17:17:14,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:17:14,662 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c[1936,1949] [2024-08-06 17:17:14,671 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:17:14,682 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:17:14,704 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1252b.c[1936,1949] [2024-08-06 17:17:14,705 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:17:14,722 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:17:14,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14 WrapperNode [2024-08-06 17:17:14,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:17:14,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:17:14,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:17:14,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:17:14,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,767 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-08-06 17:17:14,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:17:14,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:17:14,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:17:14,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:17:14,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,809 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-08-06 17:17:14,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:17:14,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:17:14,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:17:14,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:17:14,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (1/1) ... [2024-08-06 17:17:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:17:14,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:17:14,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-08-06 17:17:14,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-08-06 17:17:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:17:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:17:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-06 17:17:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-06 17:17:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-06 17:17:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-08-06 17:17:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:17:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-06 17:17:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-06 17:17:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-06 17:17:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-06 17:17:15,036 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:17:15,038 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:17:15,244 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-08-06 17:17:15,244 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:17:15,287 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:17:15,287 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-06 17:17:15,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:17:15 BoogieIcfgContainer [2024-08-06 17:17:15,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:17:15,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:17:15,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:17:15,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:17:15,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:17:12" (1/4) ... [2024-08-06 17:17:15,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95a2ae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:17:15, skipping insertion in model container [2024-08-06 17:17:15,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:17:14" (2/4) ... [2024-08-06 17:17:15,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95a2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:17:15, skipping insertion in model container [2024-08-06 17:17:15,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:17:14" (3/4) ... [2024-08-06 17:17:15,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d95a2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:17:15, skipping insertion in model container [2024-08-06 17:17:15,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:17:15" (4/4) ... [2024-08-06 17:17:15,319 INFO L119 eAbstractionObserver]: Analyzing ICFG float_req_bl_1252b.c [2024-08-06 17:17:15,319 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:17:15,339 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:17:15,339 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:17:15,413 INFO L90 WitnessUtils]: NestedWordAutomaton nwa = ( callAlphabet = {"call fmax_float_#t~ret5#1 := __fpclassify_float(fmax_float_~x#1);" "call fmax_float_#t~ret6#1 := __fpclassify_float(fmax_float_~y#1);" }, internalAlphabet = {"~x := #in~x;havoc ~w~0;" "assume !true;" "call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real#1(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem4 := read~int#1(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem4;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset;havoc ~#gf_u~0.base, ~#gf_u~0.offset;havoc #t~mem4;" "assume false;" "assume !main_#t~short10#1;" "assume !false;" "assume !main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1;" "assume !true;" "assume !false;" "assume false;main_#res#1 := 1;" "assume !!main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1;main_#res#1 := 0;" "assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2;" "assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296);" "assume (~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687);#res := 4;" "assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687));" "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_#t~ret9#1, main_#t~short10#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;main_~x~0#1 := 0.0;main_~y~0#1 := ~someUnaryFLOAToperation(0.0);assume { :begin_inline_fmax_float } true;fmax_float_#in~x#1, fmax_float_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc fmax_float_#res#1;havoc fmax_float_#t~ret5#1, fmax_float_#t~ret6#1, fmax_float_~x#1, fmax_float_~y#1;fmax_float_~x#1 := fmax_float_#in~x#1;fmax_float_~y#1 := fmax_float_#in~y#1;" "assume (~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255);#res := 3;" "#t~ret11#1 := main_#res#1;havoc main_#t~ret8#1, main_#t~ret9#1, main_#t~short10#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;assume { :end_inline_main } true;assume true;" "assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255));" "__signbit_float_#res#1 := (if 0 != (__signbit_float_~w~1#1 - __signbit_float_~w~1#1 % 2147483648) % 4294967296 then 1 else 0);main_#t~ret9#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem7#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_#t~short10#1 := 0 == main_#t~ret9#1;" "assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1;" "assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0;" "assume true;" "SUMMARY for call fmax_float_#t~ret5#1 := __fpclassify_float(fmax_float_~x#1); srcloc: L46" "assume -2147483648 <= fmax_float_#t~ret5#1 && fmax_float_#t~ret5#1 <= 2147483647;" "assume 0 == fmax_float_#t~ret5#1;havoc fmax_float_#t~ret5#1;fmax_float_#res#1 := fmax_float_~y#1;" "assume !(0 == fmax_float_#t~ret5#1);havoc fmax_float_#t~ret5#1;" "SUMMARY for call fmax_float_#t~ret6#1 := __fpclassify_float(fmax_float_~y#1); srcloc: L50" "assume -2147483648 <= fmax_float_#t~ret6#1 && fmax_float_#t~ret6#1 <= 2147483647;" "assume 0 == fmax_float_#t~ret6#1;havoc fmax_float_#t~ret6#1;fmax_float_#res#1 := fmax_float_~x#1;" "assume !(0 == fmax_float_#t~ret6#1);havoc fmax_float_#t~ret6#1;fmax_float_#res#1 := (if ~someBinaryFLOATComparisonOperation(fmax_float_~x#1, fmax_float_~y#1) then fmax_float_~x#1 else fmax_float_~y#1);" "main_#t~ret8#1 := fmax_float_#res#1;havoc fmax_float_#t~ret5#1, fmax_float_#t~ret6#1, fmax_float_~x#1, fmax_float_~y#1;havoc fmax_float_#in~x#1, fmax_float_#in~y#1;assume { :end_inline_fmax_float } true;main_~res~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;main_#t~short10#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, 0.0);" "assume main_#t~short10#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem7#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1;" "call __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset := #Ultimate.allocOnStack(4);call write~real#2(__signbit_float_~x#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, 4);call __signbit_float_#t~mem7#1 := read~int#2(__signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, 4);__signbit_float_~w~1#1 := __signbit_float_#t~mem7#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset);havoc __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset;havoc __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset;havoc __signbit_float_#t~mem7#1;" "assume false;" "assume !false;" }, returnAlphabet = {"#85#return;" "#87#return;" }, states = {"CountingPredicate [underlying: 9#L50true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L50-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 14#__fpclassify_floatEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 16#L46-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 3#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 6#L25-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 10#L80true, annotation: [0, 0]]" "CountingPredicate [underlying: 5#L25-4true, annotation: [0, 0]]" "CountingPredicate [underlying: 17#L33true, annotation: [0, 0]]" "CountingPredicate [underlying: 4#L50-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 25#main_returnLabel#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 27#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 12#L46true, annotation: [0, 0]]" "CountingPredicate [underlying: 13#L25-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 11#L59-1true, annotation: [0, 0]]" "CountingPredicate [underlying: 24#L39true, annotation: [0, 0]]" "CountingPredicate [underlying: 18#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 2#L36true, annotation: [0, 0]]" "CountingPredicate [underlying: 20#L59-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 15#L80-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 7#fmax_float_returnLabel#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 22#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 19#L46-2true, annotation: [0, 0]]" "CountingPredicate [underlying: 21#L81true, annotation: [0, 0]]" "CountingPredicate [underlying: 23#L59-4true, annotation: [0, 0]]" }, initialStates = {"CountingPredicate [underlying: 27#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, callTransitions = { ("CountingPredicate [underlying: 9#L50true, annotation: [0, 0]]" "call fmax_float_#t~ret6#1 := __fpclassify_float(fmax_float_~y#1);" "CountingPredicate [underlying: 22#$Ultimate##0true, annotation: [0, 0]]") ("CountingPredicate [underlying: 12#L46true, annotation: [0, 0]]" "call fmax_float_#t~ret5#1 := __fpclassify_float(fmax_float_~x#1);" "CountingPredicate [underlying: 22#$Ultimate##0true, annotation: [0, 0]]") }, internalTransitions = { ("CountingPredicate [underlying: 8#L50-1true, annotation: [0, 0]]" "assume -2147483648 <= fmax_float_#t~ret6#1 && fmax_float_#t~ret6#1 <= 2147483647;" "CountingPredicate [underlying: 4#L50-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]" "assume true;" "CountingPredicate [underlying: 14#__fpclassify_floatEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 16#L46-1true, annotation: [0, 0]]" "assume -2147483648 <= fmax_float_#t~ret5#1 && fmax_float_#t~ret5#1 <= 2147483647;" "CountingPredicate [underlying: 19#L46-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L25-2true, annotation: [0, 0]]" "call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real#1(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem4 := read~int#1(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem4;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset;havoc ~#gf_u~0.base, ~#gf_u~0.offset;havoc #t~mem4;" "CountingPredicate [underlying: 13#L25-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L25-2true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 5#L25-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L80true, annotation: [0, 0]]" "assume !main_#t~short10#1;" "CountingPredicate [underlying: 15#L80-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 10#L80true, annotation: [0, 0]]" "assume main_#t~short10#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem7#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1;" "CountingPredicate [underlying: 20#L59-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L25-4true, annotation: [0, 0]]" "assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2;" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 5#L25-4true, annotation: [0, 0]]" "assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296);" "CountingPredicate [underlying: 17#L33true, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#L33true, annotation: [0, 0]]" "assume (~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687);#res := 4;" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 17#L33true, annotation: [0, 0]]" "assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687));" "CountingPredicate [underlying: 2#L36true, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#L50-2true, annotation: [0, 0]]" "assume 0 == fmax_float_#t~ret6#1;havoc fmax_float_#t~ret6#1;fmax_float_#res#1 := fmax_float_~x#1;" "CountingPredicate [underlying: 7#fmax_float_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 4#L50-2true, annotation: [0, 0]]" "assume !(0 == fmax_float_#t~ret6#1);havoc fmax_float_#t~ret6#1;fmax_float_#res#1 := (if ~someBinaryFLOATComparisonOperation(fmax_float_~x#1, fmax_float_~y#1) then fmax_float_~x#1 else fmax_float_~y#1);" "CountingPredicate [underlying: 7#fmax_float_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 25#main_returnLabel#1true, annotation: [0, 0]]" "#t~ret11#1 := main_#res#1;havoc main_#t~ret8#1, main_#t~ret9#1, main_#t~short10#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 3#ULTIMATE.startEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 27#$Ultimate##0true, annotation: [0, 0]]" "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret8#1, main_#t~ret9#1, main_#t~short10#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;main_~x~0#1 := 0.0;main_~y~0#1 := ~someUnaryFLOAToperation(0.0);assume { :begin_inline_fmax_float } true;fmax_float_#in~x#1, fmax_float_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc fmax_float_#res#1;havoc fmax_float_#t~ret5#1, fmax_float_#t~ret6#1, fmax_float_~x#1, fmax_float_~y#1;fmax_float_~x#1 := fmax_float_#in~x#1;fmax_float_~y#1 := fmax_float_#in~y#1;" "CountingPredicate [underlying: 12#L46true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L25-1true, annotation: [0, 0]]" "assume false;" "CountingPredicate [underlying: 6#L25-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 13#L25-1true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 5#L25-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 11#L59-1true, annotation: [0, 0]]" "assume false;" "CountingPredicate [underlying: 20#L59-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 11#L59-1true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 23#L59-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 24#L39true, annotation: [0, 0]]" "assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1;" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 24#L39true, annotation: [0, 0]]" "assume !(2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296);#res := 0;" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 2#L36true, annotation: [0, 0]]" "assume (~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255);#res := 3;" "CountingPredicate [underlying: 26#__fpclassify_floatFINALtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 2#L36true, annotation: [0, 0]]" "assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255));" "CountingPredicate [underlying: 24#L39true, annotation: [0, 0]]") ("CountingPredicate [underlying: 20#L59-2true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 23#L59-4true, annotation: [0, 0]]") ("CountingPredicate [underlying: 20#L59-2true, annotation: [0, 0]]" "call __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset := #Ultimate.allocOnStack(4);call write~real#2(__signbit_float_~x#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, 4);call __signbit_float_#t~mem7#1 := read~int#2(__signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, 4);__signbit_float_~w~1#1 := __signbit_float_#t~mem7#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset);havoc __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset;havoc __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset;havoc __signbit_float_#t~mem7#1;" "CountingPredicate [underlying: 11#L59-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L80-2true, annotation: [0, 0]]" "assume !main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1;" "CountingPredicate [underlying: 21#L81true, annotation: [0, 0]]") ("CountingPredicate [underlying: 15#L80-2true, annotation: [0, 0]]" "assume !!main_#t~short10#1;havoc main_#t~ret9#1;havoc main_#t~short10#1;main_#res#1 := 0;" "CountingPredicate [underlying: 25#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#fmax_float_returnLabel#1true, annotation: [0, 0]]" "main_#t~ret8#1 := fmax_float_#res#1;havoc fmax_float_#t~ret5#1, fmax_float_#t~ret6#1, fmax_float_~x#1, fmax_float_~y#1;havoc fmax_float_#in~x#1, fmax_float_#in~y#1;assume { :end_inline_fmax_float } true;main_~res~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;main_#t~short10#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, 0.0);" "CountingPredicate [underlying: 10#L80true, annotation: [0, 0]]") ("CountingPredicate [underlying: 22#$Ultimate##0true, annotation: [0, 0]]" "~x := #in~x;havoc ~w~0;" "CountingPredicate [underlying: 6#L25-2true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#L46-2true, annotation: [0, 0]]" "assume 0 == fmax_float_#t~ret5#1;havoc fmax_float_#t~ret5#1;fmax_float_#res#1 := fmax_float_~y#1;" "CountingPredicate [underlying: 7#fmax_float_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 19#L46-2true, annotation: [0, 0]]" "assume !(0 == fmax_float_#t~ret5#1);havoc fmax_float_#t~ret5#1;" "CountingPredicate [underlying: 9#L50true, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#L81true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 18#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 21#L81true, annotation: [0, 0]]" "assume false;main_#res#1 := 1;" "CountingPredicate [underlying: 25#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 23#L59-4true, annotation: [0, 0]]" "__signbit_float_#res#1 := (if 0 != (__signbit_float_~w~1#1 - __signbit_float_~w~1#1 % 2147483648) % 4294967296 then 1 else 0);main_#t~ret9#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem7#1, __signbit_float_~#gf_u~1#1.base, __signbit_float_~#gf_u~1#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_#t~short10#1 := 0 == main_#t~ret9#1;" "CountingPredicate [underlying: 15#L80-2true, annotation: [0, 0]]") }, returnTransitions = { ("CountingPredicate [underlying: 14#__fpclassify_floatEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 9#L50true, annotation: [0, 0]]" "#87#return;" "CountingPredicate [underlying: 8#L50-1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 14#__fpclassify_floatEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 12#L46true, annotation: [0, 0]]" "#85#return;" "CountingPredicate [underlying: 16#L46-1true, annotation: [0, 0]]") } ); [2024-08-06 17:17:15,424 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 26 states, 21 states have (on average 1.619047619047619) internal successors, (34), 22 states have internal predecessors, (34), 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) [2024-08-06 17:17:15,439 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 26 states to 0 states. [2024-08-06 17:17:15,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:17:15,464 INFO L357 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, mHoare=false, 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;@641fc48f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:17:15,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:17:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:17:15,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:17:15,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:17:15,475 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:17:15,478 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:17:15,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:17:15 BoogieIcfgContainer [2024-08-06 17:17:15,485 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:17:15,486 INFO L158 Benchmark]: Toolchain (without parser) took 1040.19ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 85.7MB in the beginning and 143.3MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:17:15,488 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:17:15,488 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:17:15,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.22ms. Allocated memory is still 140.5MB. Free memory was 85.3MB in the beginning and 73.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-06 17:17:15,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.04ms. Allocated memory is still 140.5MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:17:15,490 INFO L158 Benchmark]: Boogie Preprocessor took 67.62ms. Allocated memory is still 140.5MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:17:15,493 INFO L158 Benchmark]: RCFGBuilder took 451.52ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 110.6MB in the end (delta: -41.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-08-06 17:17:15,493 INFO L158 Benchmark]: TraceAbstraction took 191.73ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 109.9MB in the beginning and 143.3MB in the end (delta: -33.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-08-06 17:17:15,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.22ms. Allocated memory is still 140.5MB. Free memory was 85.3MB in the beginning and 73.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.04ms. Allocated memory is still 140.5MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.62ms. Allocated memory is still 140.5MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.52ms. Allocated memory is still 140.5MB. Free memory was 69.3MB in the beginning and 110.6MB in the end (delta: -41.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 191.73ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 109.9MB in the beginning and 143.3MB in the end (delta: -33.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 81]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-06 17:17:15,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE