./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_4.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_4.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_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_4.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 18:15:57,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:15:57,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:15:57,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:15:57,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:15:57,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:15:57,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:15:57,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:15:57,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:15:57,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:15:57,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:15:57,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:15:57,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:15:57,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:15:57,832 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:15:57,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:15:57,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:15:57,833 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:15:57,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:15:57,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:15:57,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:15:57,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:15:57,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:15:57,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:15:57,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:15:57,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:15:57,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:15:57,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:15:57,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:15:57,843 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:15:57,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:15:57,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:15:57,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:15:57,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:15:57,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:15:57,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:15:57,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:15:57,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:15:57,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:15:57,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:15:57,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:15:57,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:15:57,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:15:57,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:15:58,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:15:58,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:15:58,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:15:58,180 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:15:58,181 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:15:58,182 INFO L431 ainManager$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_1_4.yml/witness.yml [2024-08-15 18:15:58,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:15:58,331 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:15:58,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_4.i [2024-08-15 18:15:59,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:16:00,146 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:16:00,147 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_4.i [2024-08-15 18:16:00,164 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f7f574d/e92ac859e4234db488fed5834310deb1/FLAG2af864f11 [2024-08-15 18:16:00,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f7f574d/e92ac859e4234db488fed5834310deb1 [2024-08-15 18:16:00,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:16:00,519 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:16:00,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:00,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:16:00,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:16:00,526 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 18:16:00,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53996d14 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,527 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 18:16:00,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2495810 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:00" (2/2) ... [2024-08-15 18:16:00,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53996d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00, skipping insertion in model container [2024-08-15 18:16:00,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:00" (2/2) ... [2024-08-15 18:16:00,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:16:00,732 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_1_4.i[1722,1735] [2024-08-15 18:16:00,735 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:00,748 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:16:00,768 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_1_4.i[1722,1735] [2024-08-15 18:16:00,773 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:00,788 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:16:00,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:00 WrapperNode [2024-08-15 18:16:00,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:00,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:16:00,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:16:00,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:16:00,800 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 18:16:00,800 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 18:16:00,807 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 18:16:00,821 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 18:16:00,822 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 18:16:00,822 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 18:16:00,829 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 18:16:00,831 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 18:16:00,832 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 18:16:00,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:16:00,834 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:16:00,835 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:16:00,835 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:16:00,836 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 18:16:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:16:00,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:16:00,879 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 18:16:00,881 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 18:16:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:16:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:16:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:16:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:16:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:16:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:16:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:16:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:16:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:16:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:16:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:16:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:16:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:16:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:16:00,994 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:16:00,997 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:16:01,144 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-08-15 18:16:01,144 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:16:01,159 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:16:01,160 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:16:01,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:01 BoogieIcfgContainer [2024-08-15 18:16:01,162 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:16:01,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:16:01,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:16:01,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:16:01,169 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 18:16:01,169 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:16:01,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499c6156 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:01, skipping insertion in model container [2024-08-15 18:16:01,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:16:00" (2/4) ... [2024-08-15 18:16:01,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499c6156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:01, skipping insertion in model container [2024-08-15 18:16:01,173 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 18:16:01,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499c6156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:01, skipping insertion in model container [2024-08-15 18:16:01,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:01" (4/4) ... [2024-08-15 18:16:01,175 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_4.i [2024-08-15 18:16:01,195 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:16:01,195 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:16:01,228 INFO L90 WitnessUtils]: Constructing product of automaton with 28 states and violation witness of the following lengths: [9] [2024-08-15 18:16:01,284 INFO L95 WitnessUtils]: Product has 52 reachable states. [2024-08-15 18:16:01,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:16:01,319 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;@4d02a7ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:16:01,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:16:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-08-15 18:16:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-08-15 18:16:01,327 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:16:01,328 INFO L195 NwaCegarLoop]: trace histogram [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 18:16:01,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:16:01,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:16:01,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2060674893, now seen corresponding path program 1 times [2024-08-15 18:16:01,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:16:01,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495674451] [2024-08-15 18:16:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:16:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:16:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:01,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:16:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:01,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:16:01,519 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:16:01,521 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:16:01,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:16:01,528 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:16:01,533 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:16:01,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:16:01 BoogieIcfgContainer [2024-08-15 18:16:01,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:16:01,551 INFO L158 Benchmark]: Toolchain (without parser) took 1032.80ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 73.7MB in the beginning and 126.2MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:01,552 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:01,552 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:01,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.24ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 73.5MB in the beginning and 156.4MB in the end (delta: -82.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-08-15 18:16:01,554 INFO L158 Benchmark]: Boogie Preprocessor took 44.02ms. Allocated memory is still 190.8MB. Free memory was 156.4MB in the beginning and 154.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:16:01,555 INFO L158 Benchmark]: IcfgBuilder took 327.59ms. Allocated memory is still 190.8MB. Free memory was 154.4MB in the beginning and 143.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-15 18:16:01,557 INFO L158 Benchmark]: TraceAbstraction took 385.41ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 126.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-15 18:16:01,559 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 0.12ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.24ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 73.5MB in the beginning and 156.4MB in the end (delta: -82.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.02ms. Allocated memory is still 190.8MB. Free memory was 156.4MB in the beginning and 154.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 327.59ms. Allocated memory is still 190.8MB. Free memory was 154.4MB in the beginning and 143.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 385.41ms. Allocated memory is still 190.8MB. Free memory was 141.9MB in the beginning and 126.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. 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 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [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); [L50] COND TRUE !(x < 0.1) VAL [IN=53] [L51] reach_error() VAL [IN=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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=52occurred 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, 22 NumberOfCodeBlocks, 22 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 18:16:01,592 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_1_4.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_4.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 18:16:04,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:16:04,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:16:05,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:16:05,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:16:05,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:16:05,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:16:05,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:16:05,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:16:05,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:16:05,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:16:05,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:16:05,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:16:05,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:16:05,045 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:16:05,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:16:05,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:16:05,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:16:05,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:16:05,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:16:05,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:16:05,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:16:05,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:16:05,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:16:05,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:16:05,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:16:05,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:16:05,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:16:05,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:16:05,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:16:05,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:16:05,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:16:05,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:16:05,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:16:05,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:16:05,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:16:05,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:16:05,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:16:05,055 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:16:05,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:16:05,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:16:05,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:16:05,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:16:05,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:16:05,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:16:05,059 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:16:05,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:16:05,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:16:05,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:16:05,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:16:05,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:16:05,604 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:16:05,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_4.i [2024-08-15 18:16:07,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:16:07,467 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:16:07,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_4.i [2024-08-15 18:16:07,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd89c869/bb7674c97d0d4ae4877329d4bd98cf8a/FLAGdc7c4dc19 [2024-08-15 18:16:07,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd89c869/bb7674c97d0d4ae4877329d4bd98cf8a [2024-08-15 18:16:07,845 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:16:07,846 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:16:07,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_4.yml/witness.yml [2024-08-15 18:16:07,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:16:07,926 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:16:07,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:07,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:16:07,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:16:07,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:07" (1/2) ... [2024-08-15 18:16:07,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265e6e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:07, skipping insertion in model container [2024-08-15 18:16:07,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:07" (1/2) ... [2024-08-15 18:16:07,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13f32fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:07, skipping insertion in model container [2024-08-15 18:16:07,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:07" (2/2) ... [2024-08-15 18:16:07,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265e6e07 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:07, skipping insertion in model container [2024-08-15 18:16:07,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:07" (2/2) ... [2024-08-15 18:16:07,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:16:08,169 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_1_4.i[1722,1735] [2024-08-15 18:16:08,177 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:08,202 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:16:08,223 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_1_4.i[1722,1735] [2024-08-15 18:16:08,226 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:08,253 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:16:08,255 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08 WrapperNode [2024-08-15 18:16:08,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:08,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:16:08,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:16:08,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:16:08,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,294 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 18:16:08,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:16:08,310 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:16:08,310 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:16:08,310 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:16:08,311 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (1/1) ... [2024-08-15 18:16:08,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:16:08,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:16:08,353 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 18:16:08,358 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 18:16:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:16:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:16:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:16:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:16:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:16:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:16:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:16:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:16:08,515 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:16:08,521 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:16:32,915 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-08-15 18:16:32,916 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:16:32,924 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:16:32,924 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:16:32,925 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:32 BoogieIcfgContainer [2024-08-15 18:16:32,925 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:16:32,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:16:32,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:16:32,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:16:32,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:16:07" (1/4) ... [2024-08-15 18:16:32,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fb77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:32, skipping insertion in model container [2024-08-15 18:16:32,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:16:07" (2/4) ... [2024-08-15 18:16:32,932 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:16:32,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fb77a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:32, skipping insertion in model container [2024-08-15 18:16:32,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:08" (3/4) ... [2024-08-15 18:16:32,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fb77a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:32, skipping insertion in model container [2024-08-15 18:16:32,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:32" (4/4) ... [2024-08-15 18:16:32,935 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_4.i [2024-08-15 18:16:32,955 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:16:32,955 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:16:32,985 INFO L90 WitnessUtils]: Constructing product of automaton with 28 states and violation witness of the following lengths: [9] [2024-08-15 18:16:33,061 INFO L95 WitnessUtils]: Product has 52 reachable states. [2024-08-15 18:16:33,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:16:33,094 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;@2c10a964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:16:33,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:16:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-08-15 18:16:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-08-15 18:16:33,102 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:16:33,102 INFO L195 NwaCegarLoop]: trace histogram [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 18:16:33,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:16:33,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:16:33,110 INFO L85 PathProgramCache]: Analyzing trace with hash 286620589, now seen corresponding path program 1 times [2024-08-15 18:16:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:16:33,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46759989] [2024-08-15 18:16:33,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:16:33,123 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 18:16:33,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:16:33,127 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 18:16:33,128 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 18:18:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:18:44,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:27:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:27:45,695 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:27:45,697 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:27:45,698 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:27:45,779 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-08-15 18:27:45,903 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 18:27:45,909 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:27:45,913 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:27:45,940 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:27:45 BoogieIcfgContainer [2024-08-15 18:27:45,940 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:27:45,943 INFO L158 Benchmark]: Toolchain (without parser) took 698015.00ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 41.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-08-15 18:27:45,943 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:27:45,944 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 154.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:27:45,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.85ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 51.8MB in the end (delta: -7.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-08-15 18:27:45,946 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 49.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:27:45,948 INFO L158 Benchmark]: IcfgBuilder took 24615.52ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 35.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-15 18:27:45,949 INFO L158 Benchmark]: TraceAbstraction took 673013.36ms. Allocated memory is still 75.5MB. Free memory was 35.1MB in the beginning and 41.9MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:27:45,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 46.7MB in the end (delta: 154.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.85ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 51.8MB in the end (delta: -7.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.98ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 49.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 24615.52ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 35.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 673013.36ms. Allocated memory is still 75.5MB. Free memory was 35.1MB in the beginning and 41.9MB in the end (delta: -6.8MB). 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 > -0.8f && IN < 0.8f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) VAL [IN=-0.6325950026512146] [L42] CALL, EXPR f(IN) VAL [\old(x)=-0.6325950026512146] [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)=-0.6325950026512146, \result=-0.5912556052207947] [L42] RET, EXPR f(IN) VAL [IN=-0.6325950026512146] [L42] CALL, EXPR fp(IN) VAL [\old(x)=-0.6325950026512146] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-0.6325950026512146, \result=0.8066733479499817] [L42] RET, EXPR fp(IN) VAL [IN=-0.6325950026512146] [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 672.9s, OverallIterations: 1, TraceHistogramMax: 1, 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=52occurred 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, 131.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 18:27:46,112 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