./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/double_req_bl_1210.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/float-newlib/double_req_bl_1210.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/double_req_bl_1210.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 14:23:29,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:23:29,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:23:29,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:23:29,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:23:29,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:23:29,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:23:29,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:23:29,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:23:29,332 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:23:29,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:23:29,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:23:29,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:23:29,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:23:29,335 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:23:29,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:23:29,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:23:29,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:23:29,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:23:29,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:23:29,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:23:29,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:23:29,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:23:29,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:23:29,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:23:29,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:23:29,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:23:29,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:23:29,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:23:29,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:23:29,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:23:29,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:23:29,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:23:29,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:23:29,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:23:29,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:23:29,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:23:29,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:23:29,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:23:29,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:23:29,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:23:29,611 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:23:29,612 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:23:29,613 INFO L431 ainManager$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/double_req_bl_1210.yml/witness.yml [2024-08-14 14:23:29,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:23:29,760 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:23:29,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2024-08-14 14:23:31,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:23:31,475 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:23:31,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2024-08-14 14:23:31,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a948ac00e/bf3e9ce856974d688d2839e901ee0a3f/FLAGa7edee933 [2024-08-14 14:23:31,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a948ac00e/bf3e9ce856974d688d2839e901ee0a3f [2024-08-14 14:23:31,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:23:31,786 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:23:31,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:31,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:23:31,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:23:31,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:29" (1/2) ... [2024-08-14 14:23:31,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1132bd2c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:31, skipping insertion in model container [2024-08-14 14:23:31,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:29" (1/2) ... [2024-08-14 14:23:31,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d8338 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:31, skipping insertion in model container [2024-08-14 14:23:31,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:31" (2/2) ... [2024-08-14 14:23:31,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1132bd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:31, skipping insertion in model container [2024-08-14 14:23:31,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:31" (2/2) ... [2024-08-14 14:23:31,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:23:32,132 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2024-08-14 14:23:32,146 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:32,169 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:23:32,230 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2024-08-14 14:23:32,235 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:32,268 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:23:32,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32 WrapperNode [2024-08-14 14:23:32,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:32,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:23:32,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:23:32,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:23:32,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,356 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 3, 3, 3, 2, 3, 2, 3, 2, 3, 9, 3]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 1, 2, 2, 1, 2, 1, 2, 1, 2, 6, 2]. [2024-08-14 14:23:32,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:23:32,406 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:23:32,406 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:23:32,407 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:23:32,408 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (1/1) ... [2024-08-14 14:23:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:23:32,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:23:32,439 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 14:23:32,446 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 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-08-14 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2024-08-14 14:23:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:23:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-08-14 14:23:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-08-14 14:23:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-08-14 14:23:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-14 14:23:32,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-08-14 14:23:32,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-08-14 14:23:32,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-14 14:23:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-08-14 14:23:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:23:32,600 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:23:32,602 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:23:32,682 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: call ULTIMATE.dealloc(~#iptr~0.base, ~#iptr~0.offset);havoc ~#iptr~0.base, ~#iptr~0.offset; [2024-08-14 14:23:32,853 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L64: havoc #t~mem14; [2024-08-14 14:23:32,853 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc #t~mem23; [2024-08-14 14:23:32,854 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L42: havoc ~high~0; [2024-08-14 14:23:32,854 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: havoc ~high~1; [2024-08-14 14:23:32,854 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc ~high~2; [2024-08-14 14:23:32,900 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-08-14 14:23:32,900 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:23:32,911 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:23:32,913 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:23:32,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:32 BoogieIcfgContainer [2024-08-14 14:23:32,913 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:23:32,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:23:32,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:23:32,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:23:32,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:29" (1/4) ... [2024-08-14 14:23:32,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c74e971 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:32, skipping insertion in model container [2024-08-14 14:23:32,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:23:31" (2/4) ... [2024-08-14 14:23:32,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c74e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:32, skipping insertion in model container [2024-08-14 14:23:32,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:32" (3/4) ... [2024-08-14 14:23:32,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c74e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:32, skipping insertion in model container [2024-08-14 14:23:32,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:32" (4/4) ... [2024-08-14 14:23:32,920 INFO L119 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-08-14 14:23:32,920 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:23:32,936 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:23:32,937 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:23:32,963 INFO L92 WitnessUtils]: Constructing product of automaton with 76 states and violation witness of the following lengths: [13] [2024-08-14 14:23:32,967 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 76 states, 65 states have (on average 1.6153846153846154) internal successors, (105), 66 states have internal predecessors, (105), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-08-14 14:23:33,037 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 132 states to 35 states. [2024-08-14 14:23:33,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:23:33,062 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;@5b3bd152, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:23:33,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:23:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2024-08-14 14:23:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-08-14 14:23:33,068 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:33,069 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:33,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:33,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:33,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1883177283, now seen corresponding path program 1 times [2024-08-14 14:23:33,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:23:33,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467537151] [2024-08-14 14:23:33,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:33,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:23:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-14 14:23:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-08-14 14:23:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-08-14 14:23:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-08-14 14:23:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 14:23:33,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 14:23:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467537151] [2024-08-14 14:23:33,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467537151] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:23:33,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:23:33,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 14:23:33,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788383285] [2024-08-14 14:23:33,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:23:33,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 14:23:33,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 14:23:33,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 14:23:33,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 14:23:33,435 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-08-14 14:23:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:23:33,637 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2024-08-14 14:23:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 14:23:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-08-14 14:23:33,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:23:33,640 INFO L225 Difference]: With dead ends: 35 [2024-08-14 14:23:33,640 INFO L226 Difference]: Without dead ends: 35 [2024-08-14 14:23:33,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-14 14:23:33,644 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 29 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-14 14:23:33,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-14 14:23:33,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-08-14 14:23:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-08-14 14:23:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-08-14 14:23:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2024-08-14 14:23:33,687 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 31 [2024-08-14 14:23:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:23:33,687 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2024-08-14 14:23:33,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-08-14 14:23:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2024-08-14 14:23:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-08-14 14:23:33,688 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:33,689 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:33,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:23:33,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:33,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:33,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1551343288, now seen corresponding path program 1 times [2024-08-14 14:23:33,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:23:33,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985431188] [2024-08-14 14:23:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:23:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:33,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:23:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:33,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:23:33,841 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:23:33,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:23:33,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 14:23:33,846 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-14 14:23:33,850 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:23:33,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:23:33 BoogieIcfgContainer [2024-08-14 14:23:33,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:23:33,869 INFO L158 Benchmark]: Toolchain (without parser) took 2083.16ms. Allocated memory is still 197.1MB. Free memory was 125.7MB in the beginning and 63.4MB in the end (delta: 62.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-08-14 14:23:33,869 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:33,869 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 171.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:33,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.21ms. Allocated memory is still 197.1MB. Free memory was 125.4MB in the beginning and 112.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-14 14:23:33,870 INFO L158 Benchmark]: Boogie Preprocessor took 136.13ms. Allocated memory is still 197.1MB. Free memory was 112.1MB in the beginning and 167.5MB in the end (delta: -55.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-08-14 14:23:33,870 INFO L158 Benchmark]: IcfgBuilder took 507.54ms. Allocated memory is still 197.1MB. Free memory was 167.5MB in the beginning and 138.9MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-14 14:23:33,871 INFO L158 Benchmark]: TraceAbstraction took 953.52ms. Allocated memory is still 197.1MB. Free memory was 138.1MB in the beginning and 63.4MB in the end (delta: 74.7MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-08-14 14:23:33,872 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 115.3MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 171.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.21ms. Allocated memory is still 197.1MB. Free memory was 125.4MB in the beginning and 112.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.13ms. Allocated memory is still 197.1MB. Free memory was 112.1MB in the beginning and 167.5MB in the end (delta: -55.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * IcfgBuilder took 507.54ms. Allocated memory is still 197.1MB. Free memory was 167.5MB in the beginning and 138.9MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 953.52ms. Allocated memory is still 197.1MB. Free memory was 138.1MB in the beginning and 63.4MB in the end (delta: 74.7MB). Peak memory consumption was 75.5MB. 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: 124]: 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 someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [\old(one_modf)=53, one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; VAL [iptr={6:0}, one_modf=1] [L120] CALL, EXPR modf_double(x, &iptr) VAL [\old(iptr)={6:0}, \old(x)=54, one_modf=1] [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(iptr)={6:0}, \old(x)=54, iptr={6:0}, one_modf=1, x=54] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L29] COND FALSE !(0) VAL [\old(iptr)={6:0}, \old(x)=54, i0=-1020264448, i1=0, iptr={6:0}, one_modf=1, x=54] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(iptr)={6:0}, \old(x)=54, i0=-1020264448, i1=0, iptr={6:0}, j0=52, one_modf=1, x=54] [L31] COND FALSE !(j0 < 20) VAL [\old(iptr)={6:0}, \old(x)=54, i0=-1020264448, i1=0, iptr={6:0}, j0=52, one_modf=1, x=54] [L67] COND TRUE j0 > 51 [L68] __uint32_t high; [L69] *iptr = x * one_modf VAL [\old(iptr)={6:0}, \old(x)=54, i0=-1020264448, i1=0, one_modf=1, x=54] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (high) = gh_u.parts.msw [L74] COND FALSE !(0) VAL [\old(iptr)={6:0}, \old(x)=54, high=10, i0=-1020264448, i1=0, one_modf=1, x=54] [L76] ieee_double_shape_type iw_u; [L77] iw_u.parts.msw = (high & 0x80000000) [L78] iw_u.parts.lsw = (0) [L79] EXPR iw_u.value [L79] (x) = iw_u.value [L80] COND FALSE !(0) VAL [\old(iptr)={6:0}, \old(x)=54, high=10, i0=-1020264448, i1=0, one_modf=1, x=55] [L81] return x; VAL [\old(iptr)={6:0}, \old(x)=54, \result=55, high=10, i0=-1020264448, i1=0, one_modf=1] [L120] RET, EXPR modf_double(x, &iptr) VAL [iptr={6:0}, one_modf=1, x=54] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1, res=55, x=54] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=57, one_modf=1] [L17] return x != x; VAL [\old(x)=57, \result=1, one_modf=1] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1, res=55, x=54] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=55, x=54] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=55, x=54] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=55, one_modf=1] [L17] return x != x; VAL [\old(x)=55, \result=0, one_modf=1] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1, res=55, x=54] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1, res=55, x=54] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1, res=55, x=54] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 14:23:33,899 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/float-newlib/double_req_bl_1210.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/double_req_bl_1210.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 14:23:35,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:23:35,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:23:35,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:23:35,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:23:35,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:23:35,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:23:35,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:23:35,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:23:35,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:23:35,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:23:35,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:23:35,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:23:35,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:23:35,965 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:23:35,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:23:35,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:23:35,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:23:35,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:23:35,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:23:35,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:23:35,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:23:35,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:23:35,967 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:23:35,967 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:23:35,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:23:35,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:23:35,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:23:35,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:23:35,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:23:35,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:23:35,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:23:35,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:23:35,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:23:35,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:23:35,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:23:35,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:23:35,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:23:35,971 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:23:35,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:23:35,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:23:35,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:23:35,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:23:35,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:23:35,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:23:35,972 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:23:35,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:23:36,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:23:36,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:23:36,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:23:36,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:23:36,263 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:23:36,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2024-08-14 14:23:37,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:23:37,797 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:23:37,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c [2024-08-14 14:23:37,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347753ea0/97442e645e4d4262ba6556618fac93ec/FLAGad2ed48ab [2024-08-14 14:23:37,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347753ea0/97442e645e4d4262ba6556618fac93ec [2024-08-14 14:23:37,828 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:23:37,829 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:23:37,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/double_req_bl_1210.yml/witness.yml [2024-08-14 14:23:37,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:23:37,892 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:23:37,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:37,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:23:37,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:23:37,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:37" (1/2) ... [2024-08-14 14:23:37,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4176d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:37, skipping insertion in model container [2024-08-14 14:23:37,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:23:37" (1/2) ... [2024-08-14 14:23:37,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@247ff4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:23:37, skipping insertion in model container [2024-08-14 14:23:37,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:37" (2/2) ... [2024-08-14 14:23:37,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4176d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:37, skipping insertion in model container [2024-08-14 14:23:37,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:37" (2/2) ... [2024-08-14 14:23:37,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:23:38,102 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2024-08-14 14:23:38,109 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:38,127 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:23:38,160 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1210.c[3091,3104] [2024-08-14 14:23:38,164 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:23:38,179 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:23:38,180 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:23:38 WrapperNode [2024-08-14 14:23:38,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:23:38,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:23:38,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:23:38,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:23:38,190 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,190 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,201 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,224 INFO L175 MemorySlicer]: Split 38 memory accesses to 12 slices as follows [2, 9, 2, 3, 2, 3, 2, 3, 3, 3, 3, 3]. 24 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 22 writes are split as follows [0, 6, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2]. [2024-08-14 14:23:38,225 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,225 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,239 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,243 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,244 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:23:38,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:23:38,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:23:38,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:23:38,260 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 02:23:38" (1/1) ... [2024-08-14 14:23:38,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:23:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:23:38,289 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 14:23:38,292 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 14:23:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_double [2024-08-14 14:23:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:23:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure modf_double [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-08-14 14:23:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-08-14 14:23:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-08-14 14:23:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-08-14 14:23:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-08-14 14:23:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-08-14 14:23:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-08-14 14:23:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-08-14 14:23:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-08-14 14:23:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-08-14 14:23:38,506 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:23:38,508 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:23:38,616 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L119: call ULTIMATE.dealloc(~#iptr~0.base, ~#iptr~0.offset);havoc ~#iptr~0.base, ~#iptr~0.offset; [2024-08-14 14:23:39,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L64: havoc #t~mem10; [2024-08-14 14:23:39,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L42: havoc ~high~0; [2024-08-14 14:23:39,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc #t~mem16; [2024-08-14 14:23:39,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L67: havoc ~high~1; [2024-08-14 14:23:39,055 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc ~high~2; [2024-08-14 14:23:39,105 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-08-14 14:23:39,105 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:23:39,112 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:23:39,113 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:23:39,113 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:39 BoogieIcfgContainer [2024-08-14 14:23:39,113 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:23:39,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:23:39,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:23:39,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:23:39,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:23:37" (1/4) ... [2024-08-14 14:23:39,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e70d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:23:39, skipping insertion in model container [2024-08-14 14:23:39,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:23:37" (2/4) ... [2024-08-14 14:23:39,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e70d70 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:39, skipping insertion in model container [2024-08-14 14:23:39,119 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 02:23:38" (3/4) ... [2024-08-14 14:23:39,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e70d70 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:23:39, skipping insertion in model container [2024-08-14 14:23:39,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:23:39" (4/4) ... [2024-08-14 14:23:39,121 INFO L119 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2024-08-14 14:23:39,121 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:23:39,138 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:23:39,138 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:23:39,159 INFO L92 WitnessUtils]: Constructing product of automaton with 60 states and violation witness of the following lengths: [13] [2024-08-14 14:23:39,162 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 60 states, 49 states have (on average 1.5714285714285714) internal successors, (77), 50 states have internal predecessors, (77), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-08-14 14:23:39,215 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 116 states to 35 states. [2024-08-14 14:23:39,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:23:39,238 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;@53909100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:23:39,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:23:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2024-08-14 14:23:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-08-14 14:23:39,248 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:39,248 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:39,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:39,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1859059892, now seen corresponding path program 1 times [2024-08-14 14:23:39,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:23:39,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663631247] [2024-08-14 14:23:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:39,266 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 14:23:39,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:23:39,273 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 14:23:39,275 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 14:23:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 14:23:39,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2024-08-14 14:23:39,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 14:23:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 14:23:39,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 14:23:39,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-14 14:23:39,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663631247] [2024-08-14 14:23:39,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663631247] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 14:23:39,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 14:23:39,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 14:23:39,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714393178] [2024-08-14 14:23:39,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 14:23:39,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-08-14 14:23:39,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-14 14:23:39,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-08-14 14:23:39,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-08-14 14:23:39,652 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-08-14 14:23:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-14 14:23:39,658 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2024-08-14 14:23:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 14:23:39,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2024-08-14 14:23:39,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-14 14:23:39,662 INFO L225 Difference]: With dead ends: 35 [2024-08-14 14:23:39,662 INFO L226 Difference]: Without dead ends: 35 [2024-08-14 14:23:39,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-08-14 14:23:39,666 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-08-14 14:23:39,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-08-14 14:23:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-08-14 14:23:39,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-08-14 14:23:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.0) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-08-14 14:23:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2024-08-14 14:23:39,692 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 31 [2024-08-14 14:23:39,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-14 14:23:39,692 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2024-08-14 14:23:39,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-08-14 14:23:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2024-08-14 14:23:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-08-14 14:23:39,694 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:23:39,694 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:23:39,705 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 14:23:39,898 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 14:23:39,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:23:39,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:23:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash -594720508, now seen corresponding path program 1 times [2024-08-14 14:23:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:23:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948713501] [2024-08-14 14:23:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:23:39,901 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 14:23:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:23:39,904 INFO L229 MonitoredProcess]: Starting monitored process 3 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 14:23:39,906 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 (3)] Waiting until timeout for monitored process [2024-08-14 14:23:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:40,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:23:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:23:40,613 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:23:40,613 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:23:40,614 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:23:40,630 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 (3)] Ended with exit code 0 [2024-08-14 14:23:40,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 14:23:40,819 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-14 14:23:40,822 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:23:40,847 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:23:40 BoogieIcfgContainer [2024-08-14 14:23:40,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:23:40,848 INFO L158 Benchmark]: Toolchain (without parser) took 2955.48ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 44.7MB in the beginning and 100.5MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:40,848 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:40,848 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:40,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.18ms. Allocated memory is still 86.0MB. Free memory was 44.4MB in the beginning and 54.1MB in the end (delta: -9.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-08-14 14:23:40,849 INFO L158 Benchmark]: Boogie Preprocessor took 73.30ms. Allocated memory is still 86.0MB. Free memory was 54.1MB in the beginning and 49.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-14 14:23:40,851 INFO L158 Benchmark]: IcfgBuilder took 858.48ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 49.3MB in the beginning and 95.0MB in the end (delta: -45.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-08-14 14:23:40,851 INFO L158 Benchmark]: TraceAbstraction took 1732.01ms. Allocated memory is still 136.3MB. Free memory was 94.2MB in the beginning and 100.5MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:23:40,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 86.0MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 86.0MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.18ms. Allocated memory is still 86.0MB. Free memory was 44.4MB in the beginning and 54.1MB in the end (delta: -9.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.30ms. Allocated memory is still 86.0MB. Free memory was 54.1MB in the beginning and 49.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 858.48ms. Allocated memory was 86.0MB in the beginning and 136.3MB in the end (delta: 50.3MB). Free memory was 49.3MB in the beginning and 95.0MB in the end (delta: -45.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1732.01ms. Allocated memory is still 136.3MB. Free memory was 94.2MB in the beginning and 100.5MB in the end (delta: -6.2MB). 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: 124]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] static const double one_modf = 1.0; VAL [\old(one_modf)=0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000054, one_modf=1.0] [L118] double x = 0.0 / 0.0; [L119] double iptr; VAL [iptr={7:0}, one_modf=1.0, x=NaN] [L120] CALL, EXPR modf_double(x, &iptr) VAL [\old(iptr)={7:0}, \old(x)=NaN, one_modf=1.0] [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [\old(iptr)={7:0}, \old(x)=NaN, iptr={7:0}, one_modf=1.0, x=NaN] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L29] COND FALSE !(0) VAL [\old(iptr)={7:0}, \old(x)=NaN, i0=2146959360, i1=0, iptr={7:0}, one_modf=1.0, x=NaN] [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(iptr)={7:0}, \old(x)=NaN, i0=2146959360, i1=0, iptr={7:0}, j0=1024, one_modf=1.0, x=NaN] [L31] COND FALSE !(j0 < 20) VAL [\old(iptr)={7:0}, \old(x)=NaN, i0=2146959360, i1=0, iptr={7:0}, j0=1024, one_modf=1.0, x=NaN] [L67] COND TRUE j0 > 51 [L68] __uint32_t high; [L69] *iptr = x * one_modf VAL [\old(iptr)={7:0}, \old(x)=NaN, i0=2146959360, i1=0, one_modf=1.0, x=NaN] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (high) = gh_u.parts.msw [L74] COND FALSE !(0) VAL [\old(iptr)={7:0}, \old(x)=NaN, high=2146959360, i0=2146959360, i1=0, one_modf=1.0, x=NaN] [L76] ieee_double_shape_type iw_u; [L77] iw_u.parts.msw = (high & 0x80000000) [L78] iw_u.parts.lsw = (0) [L79] EXPR iw_u.value [L79] (x) = iw_u.value [L80] COND FALSE !(0) VAL [\old(iptr)={7:0}, \old(x)=NaN, high=2146959360, i0=2146959360, i1=0, one_modf=1.0, x=0.0] [L81] return x; VAL [\old(iptr)={7:0}, \old(x)=NaN, \result=0.0, high=2146959360, i0=2146959360, i1=0, one_modf=1.0] [L120] RET, EXPR modf_double(x, &iptr) VAL [iptr={7:0}, one_modf=1.0, x=NaN] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] CALL, EXPR isnan_double(iptr) VAL [\old(x)=NaN, one_modf=1.0] [L17] return x != x; VAL [\old(x)=NaN, \result=1, one_modf=1.0] [L123] RET, EXPR isnan_double(iptr) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] CALL, EXPR isnan_double(res) VAL [\old(x)=0.0, one_modf=1.0] [L17] return x != x; VAL [\old(x)=0.0, \result=0, one_modf=1.0] [L123] RET, EXPR isnan_double(res) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1.0, res=0.0, x=NaN] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1.0, res=0.0, x=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 124 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 14:23:40,887 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