./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_3a.c.cil.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03fe66fa Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_3a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:10:20,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:10:20,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:10:20,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:10:20,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:10:20,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:10:20,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:10:20,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:10:20,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:10:20,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:10:20,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:10:20,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:10:20,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:10:20,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:10:20,331 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:10:20,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:10:20,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:10:20,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:10:20,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:10:20,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:10:20,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:10:20,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:10:20,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:10:20,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:10:20,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:10:20,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:10:20,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:10:20,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:10:20,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:10:20,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:10:20,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:10:20,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:10:20,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:10:20,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:10:20,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:10:20,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:10:20,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:10:20,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:10:20,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:10:20,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:10:20,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:10:20,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:10:20,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:10:20,346 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:10:20,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:10:20,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:10:20,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:10:20,661 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:10:20,662 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:10:20,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_3a.c.cil.yml/witness.yml [2024-08-15 18:10:20,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:10:20,746 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:10:20,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:22,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:10:22,522 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:10:22,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:22,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17ee11ff8/128c0cde53ce489d8140fb650891ee06/FLAG96ad2e878 [2024-08-15 18:10:22,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17ee11ff8/128c0cde53ce489d8140fb650891ee06 [2024-08-15 18:10:22,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:10:22,550 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:10:22,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:22,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:10:22,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:10:22,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:20" (1/2) ... [2024-08-15 18:10:22,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c3cd6a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:22, skipping insertion in model container [2024-08-15 18:10:22,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:20" (1/2) ... [2024-08-15 18:10:22,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e52ffc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:22, skipping insertion in model container [2024-08-15 18:10:22,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:22" (2/2) ... [2024-08-15 18:10:22,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c3cd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22, skipping insertion in model container [2024-08-15 18:10:22,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:22" (2/2) ... [2024-08-15 18:10:22,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:10:22,800 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2024-08-15 18:10:22,809 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2024-08-15 18:10:22,864 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:22,874 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:10:22,898 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2024-08-15 18:10:22,903 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2024-08-15 18:10:22,942 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:22,960 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:10:22,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22 WrapperNode [2024-08-15 18:10:22,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:22,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:10:22,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:10:22,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:10:22,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:22,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:22,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,006 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:10:23,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:10:23,032 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:10:23,032 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:10:23,032 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:10:23,033 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (1/1) ... [2024-08-15 18:10:23,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:10:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:10:23,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:10:23,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:10:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:10:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:10:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:10:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:10:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:10:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:10:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:10:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:10:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:10:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:10:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:10:23,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:10:23,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:10:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:10:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:10:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:10:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:10:23,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:10:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:10:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:10:23,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:10:23,243 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:10:23,246 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:10:23,789 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-08-15 18:10:23,789 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:10:23,800 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:10:23,801 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:10:23,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:23 BoogieIcfgContainer [2024-08-15 18:10:23,801 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:10:23,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:10:23,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:10:23,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:10:23,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:20" (1/4) ... [2024-08-15 18:10:23,810 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:10:23,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b94410 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:10:22" (2/4) ... [2024-08-15 18:10:23,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b94410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:22" (3/4) ... [2024-08-15 18:10:23,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b94410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:23" (4/4) ... [2024-08-15 18:10:23,814 INFO L128 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:23,833 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:10:23,834 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:10:23,872 INFO L90 WitnessUtils]: Constructing product of automaton with 124 states and violation witness of the following lengths: [7] [2024-08-15 18:10:24,005 INFO L95 WitnessUtils]: Product has 132 reachable states. [2024-08-15 18:10:24,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:10:24,040 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;@d1a063c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:10:24,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:10:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2024-08-15 18:10:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:10:24,049 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:10:24,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:10:24,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:10:24,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:10:24,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2040486497, now seen corresponding path program 1 times [2024-08-15 18:10:24,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:10:24,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096852092] [2024-08-15 18:10:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:10:24,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:10:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:10:24,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:10:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:10:24,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:10:24,223 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:10:24,224 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:10:24,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:10:24,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:10:24,230 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:10:24,237 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:10:24,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:10:24 BoogieIcfgContainer [2024-08-15 18:10:24,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:10:24,256 INFO L158 Benchmark]: Toolchain (without parser) took 1705.40ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 96.3MB in the beginning and 152.2MB in the end (delta: -55.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-08-15 18:10:24,256 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 153.1MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:24,256 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:24,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.58ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 80.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-15 18:10:24,257 INFO L158 Benchmark]: Boogie Preprocessor took 69.06ms. Allocated memory is still 153.1MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:10:24,259 INFO L158 Benchmark]: IcfgBuilder took 769.94ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 77.9MB in the beginning and 178.4MB in the end (delta: -100.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-08-15 18:10:24,260 INFO L158 Benchmark]: TraceAbstraction took 449.45ms. Allocated memory is still 218.1MB. Free memory was 177.3MB in the beginning and 152.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-15 18:10:24,263 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 0.65ms. Allocated memory is still 153.1MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.58ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 80.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.06ms. Allocated memory is still 153.1MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 769.94ms. Allocated memory was 153.1MB in the beginning and 218.1MB in the end (delta: 65.0MB). Free memory was 77.9MB in the beginning and 178.4MB in the end (delta: -100.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 449.45ms. Allocated memory is still 218.1MB. Free memory was 177.3MB in the beginning and 152.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:10:24,295 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/combinations/square_3+soft_float_3a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_3a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:10:26,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:10:26,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:10:26,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:10:26,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:10:26,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:10:26,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:10:26,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:10:26,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:10:26,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:10:26,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:10:26,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:10:26,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:10:26,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:10:26,744 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:10:26,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:10:26,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:10:26,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:10:26,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:10:26,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:10:26,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:10:26,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:10:26,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:10:26,754 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:10:26,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:10:26,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:10:26,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:10:26,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:10:26,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:10:26,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:10:26,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:10:26,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:10:26,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:10:26,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:10:26,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:10:26,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:10:26,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:10:26,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:10:26,758 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:10:26,759 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:10:26,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:10:26,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:10:26,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:10:26,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:10:26,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:10:26,760 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:10:26,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:10:27,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:10:27,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:10:27,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:10:27,142 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:10:27,143 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:10:27,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_3a.c.cil.yml/witness.yml [2024-08-15 18:10:27,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:10:27,222 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:10:27,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:28,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:10:29,208 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:10:29,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:29,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5eccbe0/a23721bc0c4f4aefb6b0cb5842caf2cb/FLAG0325248ff [2024-08-15 18:10:29,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5eccbe0/a23721bc0c4f4aefb6b0cb5842caf2cb [2024-08-15 18:10:29,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:10:29,243 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:10:29,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:29,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:10:29,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:10:29,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:27" (1/2) ... [2024-08-15 18:10:29,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8e372 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:29, skipping insertion in model container [2024-08-15 18:10:29,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:27" (1/2) ... [2024-08-15 18:10:29,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b50aa39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:29, skipping insertion in model container [2024-08-15 18:10:29,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:29" (2/2) ... [2024-08-15 18:10:29,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8e372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29, skipping insertion in model container [2024-08-15 18:10:29,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:29" (2/2) ... [2024-08-15 18:10:29,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:10:29,515 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2024-08-15 18:10:29,522 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2024-08-15 18:10:29,586 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:29,608 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:10:29,627 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[1999,2012] [2024-08-15 18:10:29,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_3a.c.cil.c[2368,2381] [2024-08-15 18:10:29,669 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:29,692 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:10:29,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29 WrapperNode [2024-08-15 18:10:29,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:29,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:10:29,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:10:29,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:10:29,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,755 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:10:29,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:10:29,795 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:10:29,796 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:10:29,796 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:10:29,797 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (1/1) ... [2024-08-15 18:10:29,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:10:29,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:10:29,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:10:29,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:10:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:10:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:10:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:10:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:10:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:10:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:10:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:10:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:10:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:10:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:10:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:10:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:10:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:10:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:10:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:10:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:10:30,009 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:10:30,012 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:10:42,675 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-08-15 18:10:42,676 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:10:42,688 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:10:42,688 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:10:42,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:42 BoogieIcfgContainer [2024-08-15 18:10:42,691 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:10:42,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:10:42,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:10:42,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:10:42,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:27" (1/4) ... [2024-08-15 18:10:42,700 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:10:42,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c63afc0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:10:42, skipping insertion in model container [2024-08-15 18:10:42,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:10:29" (2/4) ... [2024-08-15 18:10:42,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c63afc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:42, skipping insertion in model container [2024-08-15 18:10:42,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:29" (3/4) ... [2024-08-15 18:10:42,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c63afc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:42, skipping insertion in model container [2024-08-15 18:10:42,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:42" (4/4) ... [2024-08-15 18:10:42,705 INFO L128 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_3a.c.cil.c [2024-08-15 18:10:42,725 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:10:42,725 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:10:42,752 INFO L90 WitnessUtils]: Constructing product of automaton with 98 states and violation witness of the following lengths: [7] [2024-08-15 18:10:42,849 INFO L95 WitnessUtils]: Product has 111 reachable states. [2024-08-15 18:10:42,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:10:42,891 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;@65a31fed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:10:42,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:10:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2024-08-15 18:10:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:10:42,900 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:10:42,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:10:42,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:10:42,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:10:42,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1966723052, now seen corresponding path program 1 times [2024-08-15 18:10:42,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:10:42,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430123823] [2024-08-15 18:10:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:10:42,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:10:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:10:42,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-15 18:10:42,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-15 18:12:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:12:17,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:13:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:13:08,938 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:13:08,939 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:13:08,941 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:13:08,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:13:08,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-15 18:13:09,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:13:09,148 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:13:09,153 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:13:09,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:13:09 BoogieIcfgContainer [2024-08-15 18:13:09,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:13:09,171 INFO L158 Benchmark]: Toolchain (without parser) took 159928.00ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 26.3MB in the beginning and 51.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,171 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,172 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.87ms. Allocated memory is still 65.0MB. Free memory was 26.0MB in the beginning and 34.2MB in the end (delta: -8.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,173 INFO L158 Benchmark]: Boogie Preprocessor took 98.25ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 31.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,173 INFO L158 Benchmark]: IcfgBuilder took 12895.87ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.2MB in the beginning and 45.2MB in the end (delta: -13.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,174 INFO L158 Benchmark]: TraceAbstraction took 146474.91ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 51.7MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,176 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 0.29ms. Allocated memory is still 65.0MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 58.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.87ms. Allocated memory is still 65.0MB. Free memory was 26.0MB in the beginning and 34.2MB in the end (delta: -8.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.25ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 31.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12895.87ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.2MB in the beginning and 45.2MB in the end (delta: -13.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 146474.91ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 51.7MB in the end (delta: -7.4MB). 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: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [IN=0.999984622001648] [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984332084655762] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 146.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 94.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:13:09,272 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