./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/newton_2_8.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_2_8.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03fe66fa 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/floats-cdfpl/newton_2_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_2_8.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 --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:15:57,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:15:57,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:15:57,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:15:57,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:15:57,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:15:57,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:15:57,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:15:57,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:15:57,574 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:15:57,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:15:57,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:15:57,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:15:57,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:15:57,577 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:15:57,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:15:57,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:15:57,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:15:57,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:15:57,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:15:57,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:15:57,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:15:57,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:15:57,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:15:57,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:15:57,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:15:57,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:15:57,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:15:57,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:15:57,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:15:57,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:15:57,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:15:57,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:15:57,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:15:57,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:15:57,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:15:57,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:15:57,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:15:57,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:15:57,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:15:57,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:15:57,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:15:57,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:15:57,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:15:57,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:15:57,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:15:57,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:15:57,921 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:15:57,921 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:15:57,923 INFO L431 ainManager$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/newton_2_8.yml/witness.yml [2024-08-15 18:15:58,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:15:58,042 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:15:58,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2024-08-15 18:15:59,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:15:59,751 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:15:59,752 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2024-08-15 18:15:59,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6341513/fb9334093e1e42c5b3adc9c2a00b27b3/FLAG3b43cfbec [2024-08-15 18:15:59,774 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6341513/fb9334093e1e42c5b3adc9c2a00b27b3 [2024-08-15 18:15:59,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:15:59,776 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:15:59,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:15:59,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:15:59,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:15:59,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:15:58" (1/2) ... [2024-08-15 18:15:59,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eccc578 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:15:58" (1/2) ... [2024-08-15 18:15:59,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3852f85f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:15:59" (2/2) ... [2024-08-15 18:15:59,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eccc578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:15:59" (2/2) ... [2024-08-15 18:15:59,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:15:59,980 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i[1743,1756] [2024-08-15 18:15:59,985 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:15:59,997 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:16:00,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i[1743,1756] [2024-08-15 18:16:00,037 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:00,060 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:16:00,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00 WrapperNode [2024-08-15 18:16:00,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:00,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:16:00,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:16:00,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:16:00,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,140 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:16:00,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:16:00,154 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:16:00,154 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:16:00,154 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:16:00,155 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (1/1) ... [2024-08-15 18:16:00,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:16:00,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:16:00,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:16:00,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:16:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:16:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:16:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:16:00,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:16:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:16:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:16:00,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:16:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:16:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:16:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:16:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:16:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:16:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:16:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:16:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:16:00,316 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:16:00,319 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:16:00,432 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-08-15 18:16:00,433 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:16:00,444 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:16:00,445 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:16:00,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:00 BoogieIcfgContainer [2024-08-15 18:16:00,446 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:16:00,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:16:00,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:16:00,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:16:00,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:15:58" (1/4) ... [2024-08-15 18:16:00,455 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:16:00,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48595859 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:15:59" (2/4) ... [2024-08-15 18:16:00,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48595859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00" (3/4) ... [2024-08-15 18:16:00,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48595859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:00" (4/4) ... [2024-08-15 18:16:00,462 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_2_8.i [2024-08-15 18:16:00,483 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:16:00,483 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:16:00,513 INFO L90 WitnessUtils]: Constructing product of automaton with 31 states and violation witness of the following lengths: [13] [2024-08-15 18:16:00,598 INFO L95 WitnessUtils]: Product has 64 reachable states. [2024-08-15 18:16:00,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:16:00,636 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;@73b74e2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:16:00,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:16:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2024-08-15 18:16:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-08-15 18:16:00,648 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:16:00,649 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:16:00,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:16:00,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:16:00,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1919923536, now seen corresponding path program 1 times [2024-08-15 18:16:00,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:16:00,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508777406] [2024-08-15 18:16:00,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:16:00,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:16:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:00,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:16:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:00,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:16:00,854 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:16:00,856 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:16:00,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:16:00,862 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:16:00,866 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:16:00,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:16:00 BoogieIcfgContainer [2024-08-15 18:16:00,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:16:00,889 INFO L158 Benchmark]: Toolchain (without parser) took 1112.92ms. Allocated memory is still 190.8MB. Free memory was 118.2MB in the beginning and 130.0MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:00,890 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:00,890 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:00,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.90ms. Allocated memory is still 190.8MB. Free memory was 118.0MB in the beginning and 162.0MB in the end (delta: -44.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-08-15 18:16:00,891 INFO L158 Benchmark]: Boogie Preprocessor took 90.36ms. Allocated memory is still 190.8MB. Free memory was 162.0MB in the beginning and 159.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-15 18:16:00,891 INFO L158 Benchmark]: IcfgBuilder took 291.83ms. Allocated memory is still 190.8MB. Free memory was 159.9MB in the beginning and 147.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-15 18:16:00,892 INFO L158 Benchmark]: TraceAbstraction took 438.52ms. Allocated memory is still 190.8MB. Free memory was 146.8MB in the beginning and 130.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:16:00,895 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 0.29ms. Allocated memory is still 104.9MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.90ms. Allocated memory is still 190.8MB. Free memory was 118.0MB in the beginning and 162.0MB in the end (delta: -44.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.36ms. Allocated memory is still 190.8MB. Free memory was 162.0MB in the beginning and 159.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 291.83ms. Allocated memory is still 190.8MB. Free memory was 159.9MB in the beginning and 147.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 438.52ms. Allocated memory is still 190.8MB. Free memory was 146.8MB in the beginning and 130.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L42] CALL, EXPR f(IN) VAL [\old(x)=53] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=53] [L42] RET, EXPR f(IN) VAL [IN=53] [L42] CALL, EXPR fp(IN) VAL [\old(x)=53] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=53] [L42] RET, EXPR fp(IN) VAL [IN=53] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=54] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=54] [L44] RET, EXPR f(x) VAL [IN=53, x=54] [L44] CALL, EXPR fp(x) VAL [\old(x)=54] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=54] [L44] RET, EXPR fp(x) VAL [IN=53, x=54] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=53] [L51] reach_error() VAL [IN=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, 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=64occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:16:00,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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: /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/floats-cdfpl/newton_2_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_2_8.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:16:03,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:16:03,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:16:03,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:16:03,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:16:03,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:16:03,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:16:03,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:16:03,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:16:03,700 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:16:03,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:16:03,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:16:03,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:16:03,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:16:03,704 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:16:03,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:16:03,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:16:03,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:16:03,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:16:03,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:16:03,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:16:03,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:16:03,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:16:03,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:16:03,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:16:03,711 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:16:03,712 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:16:03,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:16:03,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:16:03,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:16:03,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:16:03,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:16:03,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:16:03,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:16:03,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:16:03,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:16:03,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:16:03,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:16:03,716 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:16:03,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:16:03,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:16:03,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:16:03,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:16:03,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:16:03,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:16:03,718 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:16:03,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:16:04,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:16:04,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:16:04,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:16:04,167 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:16:04,169 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:16:04,172 INFO L431 ainManager$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/newton_2_8.yml/witness.yml [2024-08-15 18:16:04,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:16:04,256 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:16:04,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2024-08-15 18:16:06,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:16:06,340 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:16:06,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i [2024-08-15 18:16:06,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6dbc4875/97540f9cd8ec4b3a9bb9e441aa03d6d6/FLAG64528e604 [2024-08-15 18:16:06,373 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6dbc4875/97540f9cd8ec4b3a9bb9e441aa03d6d6 [2024-08-15 18:16:06,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:16:06,376 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:16:06,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:06,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:16:06,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:16:06,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:04" (1/2) ... [2024-08-15 18:16:06,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bdac03 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:06, skipping insertion in model container [2024-08-15 18:16:06,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:04" (1/2) ... [2024-08-15 18:16:06,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@251124d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:06, skipping insertion in model container [2024-08-15 18:16:06,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:06" (2/2) ... [2024-08-15 18:16:06,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bdac03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06, skipping insertion in model container [2024-08-15 18:16:06,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:06" (2/2) ... [2024-08-15 18:16:06,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:16:06,638 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i[1743,1756] [2024-08-15 18:16:06,647 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:06,679 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:16:06,700 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_8.i[1743,1756] [2024-08-15 18:16:06,701 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:06,722 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:16:06,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06 WrapperNode [2024-08-15 18:16:06,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:06,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:16:06,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:16:06,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:16:06,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,773 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:16:06,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:16:06,801 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:16:06,802 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:16:06,802 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:16:06,803 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (1/1) ... [2024-08-15 18:16:06,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:16:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:16:06,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:16:06,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:16:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:16:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:16:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:16:06,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:16:06,896 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:16:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:16:06,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:16:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:16:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:16:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:16:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:16:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:16:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:16:07,012 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:16:07,018 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:16:27,248 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-08-15 18:16:27,249 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:16:27,263 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:16:27,263 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:16:27,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:27 BoogieIcfgContainer [2024-08-15 18:16:27,264 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:16:27,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:16:27,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:16:27,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:16:27,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:04" (1/4) ... [2024-08-15 18:16:27,270 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:16:27,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce0c07b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:27, skipping insertion in model container [2024-08-15 18:16:27,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:16:06" (2/4) ... [2024-08-15 18:16:27,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce0c07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:27, skipping insertion in model container [2024-08-15 18:16:27,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:06" (3/4) ... [2024-08-15 18:16:27,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce0c07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:27, skipping insertion in model container [2024-08-15 18:16:27,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:27" (4/4) ... [2024-08-15 18:16:27,275 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_2_8.i [2024-08-15 18:16:27,296 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:16:27,296 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:16:27,323 INFO L90 WitnessUtils]: Constructing product of automaton with 31 states and violation witness of the following lengths: [13] [2024-08-15 18:16:27,382 INFO L95 WitnessUtils]: Product has 64 reachable states. [2024-08-15 18:16:27,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:16:27,405 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;@7e3f21b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:16:27,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:16:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2024-08-15 18:16:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-08-15 18:16:27,415 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:16:27,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:16:27,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:16:27,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:16:27,421 INFO L85 PathProgramCache]: Analyzing trace with hash -401094535, now seen corresponding path program 1 times [2024-08-15 18:16:27,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:16:27,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562216758] [2024-08-15 18:16:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:16:27,436 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 [2024-08-15 18:16:27,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:16:27,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-08-15 18:16:27,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-08-15 18:16:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:39,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:16:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:46,969 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:16:46,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:16:46,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:16:47,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-15 18:16:47,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-08-15 18:16:47,177 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:16:47,181 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:16:47,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:16:47 BoogieIcfgContainer [2024-08-15 18:16:47,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:16:47,203 INFO L158 Benchmark]: Toolchain (without parser) took 40827.58ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 54.7MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:47,203 INFO L158 Benchmark]: Witness Parser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:47,204 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 54.5MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:47,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.82ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 60.0MB in the end (delta: -9.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-08-15 18:16:47,205 INFO L158 Benchmark]: Boogie Preprocessor took 76.28ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 57.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:16:47,205 INFO L158 Benchmark]: IcfgBuilder took 20462.25ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-15 18:16:47,206 INFO L158 Benchmark]: TraceAbstraction took 19936.38ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 54.7MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:47,208 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 0.35ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.56ms. Allocated memory is still 54.5MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.82ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 60.0MB in the end (delta: -9.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.28ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 57.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 20462.25ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19936.38ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 54.7MB in the end (delta: -11.4MB). 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: 51]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) VAL [IN=-1.3993277549743652] [L42] CALL, EXPR f(IN) VAL [\old(x)=-1.3993277549743652] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.3993277549743652, \result=-0.989448606967926] [L42] RET, EXPR f(IN) VAL [IN=-1.3993277549743652] [L42] CALL, EXPR fp(IN) VAL [\old(x)=-1.3993277549743652] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.3993277549743652, \result=0.1911279410123825] [L42] RET, EXPR fp(IN) VAL [IN=-1.3993277549743652] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3.7775635719299316] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=3.7775635719299316, \result=3.381526231765747] [L44] RET, EXPR f(x) VAL [x=3.7775635719299316] [L44] CALL, EXPR fp(x) VAL [\old(x)=3.7775635719299316] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=3.7775635719299316, \result=6.3855743408203125] [L44] RET, EXPR fp(x) VAL [x=3.7775635719299316] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) [L51] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, 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=64occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 12.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:16:47,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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