./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_8.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_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_1_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_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 18:15:56,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:15:56,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:15:56,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:15:56,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:15:56,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:15:56,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:15:56,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:15:56,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:15:56,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:15:56,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:15:56,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:15:56,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:15:56,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:15:56,648 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:15:56,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:15:56,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:15:56,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:15:56,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:15:56,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:15:56,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:15:56,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:15:56,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:15:56,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:15:56,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:15:56,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:15:56,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:15:56,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:15:56,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:15:56,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:15:56,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:15:56,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:15:56,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:15:56,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:15:56,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:15:56,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:15:56,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:15:56,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:15:56,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:15:56,656 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:15:56,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:15:56,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:15:56,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:15:56,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:15:56,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:15:56,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:15:56,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:15:56,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:15:56,916 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:15:56,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2024-08-15 18:15:58,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:15:58,512 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:15:58,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2024-08-15 18:15:58,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe0e13c0/5948fc15d8424655828182e69d5aa00c/FLAGfed1652ac [2024-08-15 18:15:58,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe0e13c0/5948fc15d8424655828182e69d5aa00c [2024-08-15 18:15:58,538 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:15:58,538 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:15:58,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_8.yml/witness.yml [2024-08-15 18:15:58,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:15:58,593 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:15:58,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:15:58,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:15:58,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:15:58,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:15:58" (1/2) ... [2024-08-15 18:15:58,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b2ac56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:15:58, skipping insertion in model container [2024-08-15 18:15:58,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:15:58" (1/2) ... [2024-08-15 18:15:58,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3370ac7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:15:58, skipping insertion in model container [2024-08-15 18:15:58,602 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" (2/2) ... [2024-08-15 18:15:58,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b2ac56 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:15:58, skipping insertion in model container [2024-08-15 18:15:58,602 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" (2/2) ... [2024-08-15 18:15:58,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:15:58,749 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_8.i[1722,1735] [2024-08-15 18:15:58,752 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:15:58,760 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:15:58,792 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_8.i[1722,1735] [2024-08-15 18:15:58,793 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:15:58,808 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:15:58,809 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:15:58 WrapperNode [2024-08-15 18:15:58,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:15:58,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:15:58,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:15:58,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:15:58,830 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,832 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,839 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,858 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 18:15:58,858 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,858 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,863 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,865 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,866 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:15:58,869 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:15:58,869 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:15:58,869 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:15:58,870 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 06:15:58" (1/1) ... [2024-08-15 18:15:58,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:15:58,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:15:58,932 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 18:15:58,946 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 18:15:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:15:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:15:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:15:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:15:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:15:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:15:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:15:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:15:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:15:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:15:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:15:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:15:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:15:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:15:59,090 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:15:59,093 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:15:59,229 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-08-15 18:15:59,230 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:15:59,244 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:15:59,245 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:15:59,246 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:15:59 BoogieIcfgContainer [2024-08-15 18:15:59,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:15:59,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:15:59,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:15:59,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:15:59,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:15:58" (1/4) ... [2024-08-15 18:15:59,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194125dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,253 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" (2/4) ... [2024-08-15 18:15:59,254 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:15:59,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194125dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,256 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 06:15:58" (3/4) ... [2024-08-15 18:15:59,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194125dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:15:59, skipping insertion in model container [2024-08-15 18:15:59,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:15:59" (4/4) ... [2024-08-15 18:15:59,258 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_8.i [2024-08-15 18:15:59,277 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:15:59,277 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:15:59,306 INFO L90 WitnessUtils]: Constructing product of automaton with 28 states and violation witness of the following lengths: [9] [2024-08-15 18:15:59,349 INFO L95 WitnessUtils]: Product has 52 reachable states. [2024-08-15 18:15:59,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:15:59,383 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;@4c994dc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:15:59,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:15:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-08-15 18:15:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-08-15 18:15:59,390 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:15:59,391 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 18:15:59,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:15:59,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:15:59,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2060674893, now seen corresponding path program 1 times [2024-08-15 18:15:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:15:59,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638187938] [2024-08-15 18:15:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:15:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:15:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:15:59,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:15:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:15:59,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:15:59,564 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:15:59,565 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:15:59,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:15:59,570 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:15:59,573 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:15:59,588 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:15:59 BoogieIcfgContainer [2024-08-15 18:15:59,588 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:15:59,589 INFO L158 Benchmark]: Toolchain (without parser) took 995.66ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 94.7MB in the beginning and 185.1MB in the end (delta: -90.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:15:59,589 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:15:59,590 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:15:59,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.54ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 137.4MB in the end (delta: -43.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-08-15 18:15:59,590 INFO L158 Benchmark]: Boogie Preprocessor took 58.01ms. Allocated memory is still 167.8MB. Free memory was 137.4MB in the beginning and 135.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:15:59,591 INFO L158 Benchmark]: IcfgBuilder took 377.26ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 135.3MB in the beginning and 200.8MB in the end (delta: -65.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-08-15 18:15:59,591 INFO L158 Benchmark]: TraceAbstraction took 340.04ms. Allocated memory is still 241.2MB. Free memory was 200.8MB in the beginning and 185.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:15:59,595 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 167.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.54ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 137.4MB in the end (delta: -43.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.01ms. Allocated memory is still 167.8MB. Free memory was 137.4MB in the beginning and 135.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 377.26ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 135.3MB in the beginning and 200.8MB in the end (delta: -65.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 340.04ms. Allocated memory is still 241.2MB. Free memory was 200.8MB in the beginning and 185.1MB in the end (delta: 15.7MB). 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 42. 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); [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 18:15:59,623 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_8.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_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 18:16:01,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:16:02,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:16:02,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:16:02,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:16:02,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:16:02,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:16:02,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:16:02,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:16:02,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:16:02,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:16:02,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:16:02,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:16:02,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:16:02,118 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:16:02,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:16:02,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:16:02,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:16:02,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:16:02,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:16:02,119 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:16:02,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:16:02,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:16:02,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:16:02,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:16:02,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:16:02,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:16:02,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:16:02,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:16:02,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:16:02,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:16:02,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:16:02,124 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:16:02,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:16:02,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:16:02,125 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:16:02,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:16:02,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:16:02,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:16:02,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:16:02,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:16:02,482 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:16:02,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2024-08-15 18:16:03,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:16:04,183 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:16:04,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_8.i [2024-08-15 18:16:04,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad103fc38/58f8c4b61b4e4e25ac6029d96459696f/FLAGa943127e4 [2024-08-15 18:16:04,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad103fc38/58f8c4b61b4e4e25ac6029d96459696f [2024-08-15 18:16:04,217 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:16:04,218 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:16:04,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/newton_1_8.yml/witness.yml [2024-08-15 18:16:04,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:16:04,280 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:16:04,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:04,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:16:04,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:16:04,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:04" (1/2) ... [2024-08-15 18:16:04,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9093d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:04, skipping insertion in model container [2024-08-15 18:16:04,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:16:04" (1/2) ... [2024-08-15 18:16:04,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@465cdffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:16:04, skipping insertion in model container [2024-08-15 18:16:04,289 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" (2/2) ... [2024-08-15 18:16:04,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9093d8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:04, skipping insertion in model container [2024-08-15 18:16:04,289 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" (2/2) ... [2024-08-15 18:16:04,309 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:16:04,458 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_8.i[1722,1735] [2024-08-15 18:16:04,464 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:04,488 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:16:04,504 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_8.i[1722,1735] [2024-08-15 18:16:04,510 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:16:04,560 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:16:04,560 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:16:04 WrapperNode [2024-08-15 18:16:04,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:16:04,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:16:04,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:16:04,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:16:04,615 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,616 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,625 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,639 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 18:16:04,640 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,640 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,646 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,648 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,649 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:16:04,653 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:16:04,653 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:16:04,654 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:16:04,654 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 06:16:04" (1/1) ... [2024-08-15 18:16:04,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:16:04,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:16:04,691 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 18:16:04,700 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 18:16:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:16:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:16:04,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:16:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:16:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-08-15 18:16:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-08-15 18:16:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:16:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:16:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:16:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:16:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-08-15 18:16:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-08-15 18:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:16:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:16:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:16:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:16:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:16:04,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:16:04,850 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:16:04,853 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:16:24,369 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-08-15 18:16:24,369 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:16:24,377 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:16:24,377 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:16:24,378 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:24 BoogieIcfgContainer [2024-08-15 18:16:24,378 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:16:24,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:16:24,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:16:24,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:16:24,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:16:04" (1/4) ... [2024-08-15 18:16:24,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230cfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:16:24, skipping insertion in model container [2024-08-15 18:16:24,388 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" (2/4) ... [2024-08-15 18:16:24,389 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:16:24,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230cfac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:24, skipping insertion in model container [2024-08-15 18:16:24,391 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 06:16:04" (3/4) ... [2024-08-15 18:16:24,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230cfac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:16:24, skipping insertion in model container [2024-08-15 18:16:24,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:16:24" (4/4) ... [2024-08-15 18:16:24,394 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_8.i [2024-08-15 18:16:24,413 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:16:24,413 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:16:24,440 INFO L90 WitnessUtils]: Constructing product of automaton with 28 states and violation witness of the following lengths: [9] [2024-08-15 18:16:24,485 INFO L95 WitnessUtils]: Product has 52 reachable states. [2024-08-15 18:16:24,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:16:24,508 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;@3e0f66ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:16:24,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:16:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-08-15 18:16:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-08-15 18:16:24,513 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:16:24,514 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 18:16:24,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:16:24,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:16:24,519 INFO L85 PathProgramCache]: Analyzing trace with hash 286620589, now seen corresponding path program 1 times [2024-08-15 18:16:24,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:16:24,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944383686] [2024-08-15 18:16:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:16:24,530 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 18:16:24,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:16:24,533 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 18:16:24,534 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 18:16:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:28,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:16:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:16:43,536 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:16:43,538 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:16:43,538 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:16:43,588 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 18:16:43,740 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 18:16:43,745 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:16:43,748 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:16:43,761 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:16:43 BoogieIcfgContainer [2024-08-15 18:16:43,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:16:43,762 INFO L158 Benchmark]: Toolchain (without parser) took 39481.71ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 35.3MB in the beginning and 56.7MB in the end (delta: -21.5MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-08-15 18:16:43,762 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:43,762 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 60.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:43,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.05ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 35.1MB in the beginning and 63.2MB in the end (delta: -28.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-08-15 18:16:43,763 INFO L158 Benchmark]: Boogie Preprocessor took 91.24ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 60.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:16:43,763 INFO L158 Benchmark]: IcfgBuilder took 19724.68ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 47.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:16:43,764 INFO L158 Benchmark]: TraceAbstraction took 19381.30ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 56.7MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:16:43,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 60.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.05ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 35.1MB in the beginning and 63.2MB in the end (delta: -28.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.24ms. Allocated memory is still 83.9MB. Free memory was 63.2MB in the beginning and 60.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 19724.68ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 47.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19381.30ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 56.7MB in the end (delta: -10.2MB). 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=-1.0857882499694824] [L42] CALL, EXPR f(IN) VAL [\old(x)=-1.0857882499694824] [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)=-1.0857882499694824, \result=-0.8853715062141418] [L42] RET, EXPR f(IN) VAL [IN=-1.0857882499694824] [L42] CALL, EXPR fp(IN) VAL [\old(x)=-1.0857882499694824] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.0857882499694824, \result=0.4707198739051819] [L42] RET, EXPR fp(IN) VAL [IN=-1.0857882499694824] [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: 19.3s, 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, 4.2s 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 18:16:43,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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