./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/square_3.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3.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 26998269 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/square_3.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3.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-2699826-m [2024-08-14 14:23:03,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:23:03,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:23:03,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:23:03,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:23:03,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:23:03,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:23:03,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:23:03,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:23:03,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:23:03,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:23:03,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:23:03,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:23:03,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:23:03,229 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:23:03,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:23:03,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:23:03,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:23:03,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:23:03,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:23:03,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:23:03,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:23:03,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:23:03,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:23:03,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:23:03,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:23:03,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:23:03,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:23:03,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:23:03,234 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:23:03,234 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:23:03,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:23:03,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:23:03,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:23:03,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:23:03,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:23:03,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:23:03,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:23:03,237 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:23:03,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:23:03,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:23:03,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:23:03,459 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:23:03,460 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:23:03,461 INFO L431 ainManager$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/square_3.yml/witness.yml [2024-08-14 14:23:03,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:23:03,525 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:23:03,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_3.i [2024-08-14 14:23:04,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:23:04,826 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:23:04,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_3.i [2024-08-14 14:23:04,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77182c2b6/0ec1835ab9db4be4a8853f9f422efd9b/FLAGd30e6200c [2024-08-14 14:23:04,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77182c2b6/0ec1835ab9db4be4a8853f9f422efd9b [2024-08-14 14:23:04,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:23:04,848 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:23:04,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:04,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:23:04,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:23:04,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:03" (1/2) ... [2024-08-14 14:23:04,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bf3843 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:04, skipping insertion in model container [2024-08-14 14:23:04,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:03" (1/2) ... [2024-08-14 14:23:04,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37463f36 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:04, skipping insertion in model container [2024-08-14 14:23:04,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:04" (2/2) ... [2024-08-14 14:23:04,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bf3843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:04, skipping insertion in model container [2024-08-14 14:23:04,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:04" (2/2) ... [2024-08-14 14:23:04,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:23:05,029 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/square_3.i[1629,1642] [2024-08-14 14:23:05,033 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:05,042 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:23:05,052 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/square_3.i[1629,1642] [2024-08-14 14:23:05,056 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:05,067 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:23:05,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05 WrapperNode [2024-08-14 14:23:05,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:05,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:23:05,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:23:05,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:23:05,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,090 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]. [2024-08-14 14:23:05,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:23:05,096 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:23:05,096 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:23:05,096 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:23:05,096 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (1/1) ... [2024-08-14 14:23:05,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:23:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:23:05,124 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) [2024-08-14 14:23:05,126 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 [2024-08-14 14:23:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:23:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:23:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:23:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:23:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:23:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:23:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:23:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:23:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:23:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:23:05,212 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:23:05,213 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:23:05,285 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-08-14 14:23:05,285 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:23:05,292 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:23:05,292 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:23:05,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:05 BoogieIcfgContainer [2024-08-14 14:23:05,292 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:23:05,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:23:05,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:23:05,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:23:05,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:03" (1/4) ... [2024-08-14 14:23:05,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500bf988 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:05, skipping insertion in model container [2024-08-14 14:23:05,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:23:04" (2/4) ... [2024-08-14 14:23:05,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500bf988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:05, skipping insertion in model container [2024-08-14 14:23:05,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:05" (3/4) ... [2024-08-14 14:23:05,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500bf988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:05, skipping insertion in model container [2024-08-14 14:23:05,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:05" (4/4) ... [2024-08-14 14:23:05,299 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3.i [2024-08-14 14:23:05,299 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:23:05,313 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:23:05,313 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:23:05,331 INFO L92 WitnessUtils]: Constructing product of automaton with 20 states and violation witness of the following lengths: [5] [2024-08-14 14:23:05,334 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:23:05,363 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 36 states to 15 states. [2024-08-14 14:23:05,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:23:05,380 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;@207d1fd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:23:05,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:23:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2024-08-14 14:23:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-08-14 14:23:05,384 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:05,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:05,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:05,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:05,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1774463457, now seen corresponding path program 1 times [2024-08-14 14:23:05,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:23:05,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288306278] [2024-08-14 14:23:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:23:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:05,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:23:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:05,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:23:05,501 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:23:05,502 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:23:05,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:23:05,507 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:23:05,510 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:23:05,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:23:05 BoogieIcfgContainer [2024-08-14 14:23:05,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:23:05,521 INFO L158 Benchmark]: Toolchain (without parser) took 673.27ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 70.6MB in the beginning and 125.6MB in the end (delta: -55.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:05,522 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:05,523 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:05,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.54ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 70.3MB in the beginning and 156.1MB in the end (delta: -85.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-08-14 14:23:05,525 INFO L158 Benchmark]: Boogie Preprocessor took 26.73ms. Allocated memory is still 186.6MB. Free memory was 156.1MB in the beginning and 155.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:23:05,526 INFO L158 Benchmark]: IcfgBuilder took 196.59ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 142.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:23:05,526 INFO L158 Benchmark]: TraceAbstraction took 226.50ms. Allocated memory is still 186.6MB. Free memory was 142.4MB in the beginning and 125.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:23:05,530 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 0.16ms. Allocated memory is still 146.8MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 146.8MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.54ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 70.3MB in the beginning and 156.1MB in the end (delta: -85.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.73ms. Allocated memory is still 186.6MB. Free memory was 156.1MB in the beginning and 155.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 196.59ms. Allocated memory is still 186.6MB. Free memory was 155.0MB in the beginning and 142.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 226.50ms. Allocated memory is still 186.6MB. Free memory was 142.4MB in the beginning and 125.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 38]: 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 37, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.39843f) [L38] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 14 NumberOfCodeBlocks, 14 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 [2024-08-14 14:23:05,552 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/square_3.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3.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-2699826-m [2024-08-14 14:23:07,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:23:07,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:23:07,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:23:07,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:23:07,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:23:07,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:23:07,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:23:07,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:23:07,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:23:07,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:23:07,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:23:07,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:23:07,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:23:07,391 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:23:07,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:23:07,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:23:07,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:23:07,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:23:07,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:23:07,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:23:07,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:23:07,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:23:07,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:23:07,400 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:23:07,400 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:23:07,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:23:07,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:23:07,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:23:07,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:23:07,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:23:07,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:23:07,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:23:07,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:23:07,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:23:07,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:23:07,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:23:07,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:23:07,403 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:23:07,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:23:07,405 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:23:07,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:23:07,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:23:07,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:23:07,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:23:07,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:23:07,668 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:23:07,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_3.i [2024-08-14 14:23:08,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:23:09,016 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:23:09,017 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_3.i [2024-08-14 14:23:09,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14a22fad/14927e30281549378bfeb7c1c2508663/FLAG3dd72265b [2024-08-14 14:23:09,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f14a22fad/14927e30281549378bfeb7c1c2508663 [2024-08-14 14:23:09,034 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:23:09,034 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:23:09,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3.yml/witness.yml [2024-08-14 14:23:09,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:23:09,091 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:23:09,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:09,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:23:09,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:23:09,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:09" (1/2) ... [2024-08-14 14:23:09,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7e6039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:09, skipping insertion in model container [2024-08-14 14:23:09,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:09" (1/2) ... [2024-08-14 14:23:09,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@390ff05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:09, skipping insertion in model container [2024-08-14 14:23:09,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:09" (2/2) ... [2024-08-14 14:23:09,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7e6039 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09, skipping insertion in model container [2024-08-14 14:23:09,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:09" (2/2) ... [2024-08-14 14:23:09,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:23:09,250 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/square_3.i[1629,1642] [2024-08-14 14:23:09,255 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:09,274 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:23:09,287 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/square_3.i[1629,1642] [2024-08-14 14:23:09,289 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:09,306 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:23:09,306 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09 WrapperNode [2024-08-14 14:23:09,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:09,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:23:09,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:23:09,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:23:09,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,341 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]. [2024-08-14 14:23:09,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:23:09,359 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:23:09,360 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:23:09,360 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:23:09,361 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (1/1) ... [2024-08-14 14:23:09,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:23:09,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:23:09,389 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) [2024-08-14 14:23:09,395 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 [2024-08-14 14:23:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:23:09,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:23:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:23:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:23:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:23:09,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:23:09,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:23:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:23:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:23:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:23:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:23:09,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:23:09,503 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:23:09,506 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:23:21,748 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-08-14 14:23:21,748 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:23:21,760 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:23:21,761 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:23:21,762 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:21 BoogieIcfgContainer [2024-08-14 14:23:21,762 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:23:21,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:23:21,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:23:21,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:23:21,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:23:09" (1/4) ... [2024-08-14 14:23:21,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760445e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:21, skipping insertion in model container [2024-08-14 14:23:21,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:09" (2/4) ... [2024-08-14 14:23:21,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760445e3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:21, skipping insertion in model container [2024-08-14 14:23:21,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:09" (3/4) ... [2024-08-14 14:23:21,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760445e3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:21, skipping insertion in model container [2024-08-14 14:23:21,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:21" (4/4) ... [2024-08-14 14:23:21,773 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3.i [2024-08-14 14:23:21,776 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:23:21,792 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:23:21,792 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:23:21,816 INFO L92 WitnessUtils]: Constructing product of automaton with 20 states and violation witness of the following lengths: [5] [2024-08-14 14:23:21,821 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:23:21,847 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 36 states to 15 states. [2024-08-14 14:23:21,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:23:21,865 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;@38a3e763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:23:21,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:23:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2024-08-14 14:23:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-08-14 14:23:21,869 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:21,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:21,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:21,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:21,875 INFO L85 PathProgramCache]: Analyzing trace with hash -892701185, now seen corresponding path program 1 times [2024-08-14 14:23:21,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:23:21,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066854432] [2024-08-14 14:23:21,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:21,885 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 [2024-08-14 14:23:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:23:21,904 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) [2024-08-14 14:23:21,906 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 [2024-08-14 14:24:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:24:08,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:24:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:25:00,001 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:25:00,002 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:25:00,003 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:25:00,038 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 [2024-08-14 14:25:00,205 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 [2024-08-14 14:25:00,209 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:25:00,212 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:25:00,223 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:25:00 BoogieIcfgContainer [2024-08-14 14:25:00,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:25:00,224 INFO L158 Benchmark]: Toolchain (without parser) took 111132.47ms. Allocated memory is still 102.8MB. Free memory was 83.9MB in the beginning and 77.8MB in the end (delta: 6.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-08-14 14:25:00,224 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:25:00,224 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 26.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:25:00,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.80ms. Allocated memory is still 102.8MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:25:00,225 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 102.8MB. Free memory was 71.9MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:25:00,225 INFO L158 Benchmark]: IcfgBuilder took 12402.90ms. Allocated memory is still 102.8MB. Free memory was 69.3MB in the beginning and 56.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:25:00,225 INFO L158 Benchmark]: TraceAbstraction took 98459.03ms. Allocated memory is still 102.8MB. Free memory was 55.9MB in the beginning and 77.8MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:25:00,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 60.8MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 26.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.80ms. Allocated memory is still 102.8MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 102.8MB. Free memory was 71.9MB in the beginning and 69.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 12402.90ms. Allocated memory is still 102.8MB. Free memory was 69.3MB in the beginning and 56.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 98459.03ms. Allocated memory is still 102.8MB. Free memory was 55.9MB in the beginning and 77.8MB in the end (delta: -21.9MB). 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: 38]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L24] COND FALSE !(!cond) VAL [\old(cond)=1] [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [IN=0.9999887943267822] [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984342813491821] [L37] COND TRUE !(result >= 0.0f && result < 1.39843f) [L38] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 98.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 47.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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! [2024-08-14 14:25:00,283 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