./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cdfpl/square_1.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1.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_1.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1.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 14:22:37,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:22:37,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:22:37,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:22:37,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:22:37,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:22:37,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:22:37,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:22:37,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:22:37,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:22:37,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:22:37,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:22:37,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:22:37,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:22:37,386 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:22:37,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:22:37,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:22:37,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:22:37,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:22:37,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:22:37,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:22:37,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:22:37,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:22:37,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:22:37,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:22:37,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:22:37,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:22:37,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:22:37,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:22:37,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:22:37,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:22:37,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:22:37,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:22:37,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:22:37,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:22:37,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:22:37,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:22:37,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:22:37,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:22:37,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:22:37,397 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:22:37,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:22:37,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:22:37,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:22:37,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:22:37,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:22:37,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:22:37,650 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:22:37,650 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:22:37,652 INFO L431 ainManager$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_1.yml/witness.yml [2024-08-14 14:22:37,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:22:37,728 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:22:37,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_1.i [2024-08-14 14:22:39,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:22:39,275 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:22:39,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_1.i [2024-08-14 14:22:39,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31de8c59b/5d3ee19364bd4f4ab9e611ecd85485ae/FLAGce7dee8ba [2024-08-14 14:22:39,672 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31de8c59b/5d3ee19364bd4f4ab9e611ecd85485ae [2024-08-14 14:22:39,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:22:39,674 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:22:39,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:39,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:22:39,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:22:39,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:37" (1/2) ... [2024-08-14 14:22:39,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6282f3e6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:39, skipping insertion in model container [2024-08-14 14:22:39,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:37" (1/2) ... [2024-08-14 14:22:39,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62d8dd7b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:39, skipping insertion in model container [2024-08-14 14:22:39,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:39" (2/2) ... [2024-08-14 14:22:39,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6282f3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39, skipping insertion in model container [2024-08-14 14:22:39,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:39" (2/2) ... [2024-08-14 14:22:39,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:22:39,903 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_1.i[1626,1639] [2024-08-14 14:22:39,908 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:39,919 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:22:39,936 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_1.i[1626,1639] [2024-08-14 14:22:39,937 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:39,954 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:22:39,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39 WrapperNode [2024-08-14 14:22:39,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:39,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:22:39,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:22:39,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:22:39,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:39,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:39,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:39,993 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 14:22:39,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:39,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:40,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:40,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:40,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:40,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:22:40,011 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:22:40,011 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:22:40,011 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:22:40,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (1/1) ... [2024-08-14 14:22:40,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:22:40,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:22:40,045 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 14:22:40,058 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 14:22:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:22:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:22:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:22:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:22:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:22:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:22:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:22:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:22:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:22:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:22:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:22:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:22:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:22:40,186 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:22:40,189 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:22:40,302 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-08-14 14:22:40,302 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:22:40,310 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:22:40,311 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:22:40,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:40 BoogieIcfgContainer [2024-08-14 14:22:40,311 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:22:40,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:22:40,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:22:40,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:22:40,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:37" (1/4) ... [2024-08-14 14:22:40,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4555b119 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:22:40, skipping insertion in model container [2024-08-14 14:22:40,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:22:39" (2/4) ... [2024-08-14 14:22:40,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4555b119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:22:40, skipping insertion in model container [2024-08-14 14:22:40,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:39" (3/4) ... [2024-08-14 14:22:40,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4555b119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:22:40, skipping insertion in model container [2024-08-14 14:22:40,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:40" (4/4) ... [2024-08-14 14:22:40,327 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1.i [2024-08-14 14:22:40,327 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:22:40,348 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:22:40,348 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:22:40,377 INFO L92 WitnessUtils]: Constructing product of automaton with 20 states and violation witness of the following lengths: [5] [2024-08-14 14:22:40,380 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 14:22:40,407 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 36 states to 15 states. [2024-08-14 14:22:40,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:22:40,432 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;@38b9d61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:22:40,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:22:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2024-08-14 14:22:40,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-08-14 14:22:40,439 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:22:40,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:22:40,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:22:40,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:22:40,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1774463457, now seen corresponding path program 1 times [2024-08-14 14:22:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:22:40,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052627347] [2024-08-14 14:22:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:22:40,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:22:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:22:40,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:22:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:22:40,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:22:40,605 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:22:40,606 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:22:40,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:22:40,613 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:22:40,621 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:22:40,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:22:40 BoogieIcfgContainer [2024-08-14 14:22:40,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:22:40,632 INFO L158 Benchmark]: Toolchain (without parser) took 957.98ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 102.6MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:22:40,632 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:22:40,633 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 20.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:22:40,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 132.0MB in the end (delta: -33.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-14 14:22:40,634 INFO L158 Benchmark]: Boogie Preprocessor took 53.07ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:22:40,634 INFO L158 Benchmark]: IcfgBuilder took 300.87ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 118.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:22:40,635 INFO L158 Benchmark]: TraceAbstraction took 317.82ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 102.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:22:40,637 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 0.19ms. Allocated memory is still 96.5MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 20.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 132.0MB in the end (delta: -33.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.07ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 300.87ms. Allocated memory is still 163.6MB. Free memory was 129.9MB in the beginning and 118.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 317.82ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 102.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 < 1.39f) [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 14:22:40,662 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_1.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1.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 14:22:42,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:22:42,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:22:42,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:22:42,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:22:42,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:22:42,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:22:42,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:22:42,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:22:42,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:22:42,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:22:42,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:22:42,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:22:42,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:22:42,937 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:22:42,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:22:42,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:22:42,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:22:42,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:22:42,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:22:42,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:22:42,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:22:42,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:22:42,942 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:22:42,942 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:22:42,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:22:42,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:22:42,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:22:42,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:22:42,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:22:42,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:22:42,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:22:42,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:22:42,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:22:42,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:22:42,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:22:42,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:22:42,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:22:42,946 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:22:42,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:22:42,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:22:42,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:22:42,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:22:42,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:22:42,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:22:42,948 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:22:42,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:22:43,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:22:43,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:22:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:22:43,289 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:22:43,290 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:22:43,291 INFO L431 ainManager$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_1.yml/witness.yml [2024-08-14 14:22:43,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:22:43,360 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:22:43,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_1.i [2024-08-14 14:22:45,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:22:45,201 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:22:45,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_1.i [2024-08-14 14:22:45,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890b18a09/785d1b46c5a1425ea591c33220ec1210/FLAG84431673f [2024-08-14 14:22:45,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/890b18a09/785d1b46c5a1425ea591c33220ec1210 [2024-08-14 14:22:45,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:22:45,591 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:22:45,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:45,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:22:45,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:22:45,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:43" (1/2) ... [2024-08-14 14:22:45,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c2aa62 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:45, skipping insertion in model container [2024-08-14 14:22:45,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:43" (1/2) ... [2024-08-14 14:22:45,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f21c924 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:22:45, skipping insertion in model container [2024-08-14 14:22:45,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:45" (2/2) ... [2024-08-14 14:22:45,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c2aa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45, skipping insertion in model container [2024-08-14 14:22:45,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:22:45" (2/2) ... [2024-08-14 14:22:45,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:22:45,797 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_1.i[1626,1639] [2024-08-14 14:22:45,802 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:45,825 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:22:45,845 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_1.i[1626,1639] [2024-08-14 14:22:45,846 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:22:45,868 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:22:45,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45 WrapperNode [2024-08-14 14:22:45,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:22:45,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:22:45,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:22:45,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:22:45,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,891 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,909 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 14:22:45,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:22:45,931 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:22:45,932 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:22:45,932 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:22:45,933 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (1/1) ... [2024-08-14 14:22:45,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:22:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:22:45,964 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 14:22:45,968 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 14:22:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:22:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:22:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:22:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:22:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:22:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:22:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:22:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:22:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:22:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:22:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:22:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:22:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:22:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:22:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:22:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:22:46,108 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:22:46,111 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:22:50,489 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-08-14 14:22:50,490 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:22:50,498 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:22:50,499 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:22:50,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:50 BoogieIcfgContainer [2024-08-14 14:22:50,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:22:50,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:22:50,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:22:50,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:22:50,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:22:43" (1/4) ... [2024-08-14 14:22:50,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce3cec2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:22:50, skipping insertion in model container [2024-08-14 14:22:50,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:22:45" (2/4) ... [2024-08-14 14:22:50,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce3cec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:22:50, skipping insertion in model container [2024-08-14 14:22:50,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:22:45" (3/4) ... [2024-08-14 14:22:50,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce3cec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:22:50, skipping insertion in model container [2024-08-14 14:22:50,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:22:50" (4/4) ... [2024-08-14 14:22:50,508 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1.i [2024-08-14 14:22:50,508 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:22:50,528 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:22:50,529 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:22:50,552 INFO L92 WitnessUtils]: Constructing product of automaton with 20 states and violation witness of the following lengths: [5] [2024-08-14 14:22:50,558 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 14:22:50,598 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 36 states to 15 states. [2024-08-14 14:22:50,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:22:50,640 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;@1b63793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:22:50,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:22:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2024-08-14 14:22:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-08-14 14:22:50,645 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:22:50,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:22:50,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:22:50,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:22:50,651 INFO L85 PathProgramCache]: Analyzing trace with hash -892701185, now seen corresponding path program 1 times [2024-08-14 14:22:50,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:22:50,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287063573] [2024-08-14 14:22:50,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:22:50,663 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 14:22:50,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:22:50,666 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 14:22:50,668 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 14:23:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:57,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:23:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:59,454 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:23:59,455 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:23:59,456 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:23:59,486 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 14:23:59,659 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 14:23:59,663 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:23:59,667 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:23:59,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:23:59 BoogieIcfgContainer [2024-08-14 14:23:59,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:23:59,681 INFO L158 Benchmark]: Toolchain (without parser) took 74089.96ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 49.6MB in the end (delta: -4.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-08-14 14:23:59,681 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 48.2MB. Free memory was 28.3MB in the beginning and 28.2MB in the end (delta: 60.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:59,682 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory is still 26.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:59,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.18ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 33.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:23:59,683 INFO L158 Benchmark]: Boogie Preprocessor took 60.81ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 30.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:23:59,683 INFO L158 Benchmark]: IcfgBuilder took 4568.36ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 33.9MB in the end (delta: -3.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-08-14 14:23:59,684 INFO L158 Benchmark]: TraceAbstraction took 69178.44ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 49.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:59,687 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 0.94ms. Allocated memory is still 48.2MB. Free memory was 28.3MB in the beginning and 28.2MB in the end (delta: 60.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory is still 26.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.18ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 33.2MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.81ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 30.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 4568.36ms. Allocated memory is still 65.0MB. Free memory was 30.8MB in the beginning and 33.9MB in the end (delta: -3.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * TraceAbstraction took 69178.44ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 49.6MB in the end (delta: -16.2MB). 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: 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=0.9988828897476196] [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=1.398123025894165] [L37] COND TRUE !(result >= 0.0f && result < 1.39f) [L38] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.1s, 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=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, 66.6s 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 14:23:59,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE