./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.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_4-2a.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 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/combinations/square_3+soft_float_4-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.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-2699826-m [2024-08-14 14:17:54,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:17:54,978 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:17:54,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:17:54,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:17:55,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:17:55,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:17:55,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:17:55,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:17:55,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:17:55,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:17:55,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:17:55,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:17:55,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:17:55,027 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:17:55,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:17:55,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:17:55,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:17:55,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:17:55,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:17:55,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:17:55,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:17:55,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:17:55,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:17:55,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:17:55,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:17:55,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:17:55,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:17:55,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:17:55,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:17:55,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:17:55,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:17:55,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:17:55,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:17:55,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:17:55,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:17:55,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:17:55,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:17:55,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:17:55,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:17:55,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:17:55,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:17:55,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:17:55,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:17:55,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:17:55,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:17:55,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:17:55,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:17:55,326 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:17:55,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:17:56,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:17:57,062 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:17:57,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:17:57,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89877259f/02d242ca008e4417bcd74787274f6c37/FLAG93e965b3f [2024-08-14 14:17:57,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89877259f/02d242ca008e4417bcd74787274f6c37 [2024-08-14 14:17:57,410 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:17:57,411 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:17:57,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml [2024-08-14 14:17:57,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:17:57,467 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:17:57,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:17:57,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:17:57,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:17:57,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:17:57" (1/2) ... [2024-08-14 14:17:57,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cebc004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:57, skipping insertion in model container [2024-08-14 14:17:57,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:17:57" (1/2) ... [2024-08-14 14:17:57,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fe0490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:57, skipping insertion in model container [2024-08-14 14:17:57,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:57" (2/2) ... [2024-08-14 14:17:57,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cebc004 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:17:57, skipping insertion in model container [2024-08-14 14:17:57,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:57" (2/2) ... [2024-08-14 14:17:57,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:17:57,681 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_4-2a.c.cil.c[1999,2012] [2024-08-14 14:17:57,687 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_4-2a.c.cil.c[2393,2406] [2024-08-14 14:17:57,725 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:17:57,738 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:17:57,752 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_4-2a.c.cil.c[1999,2012] [2024-08-14 14:17:57,755 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_4-2a.c.cil.c[2393,2406] [2024-08-14 14:17:57,782 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:17:57,797 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:17:57,798 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:17:57 WrapperNode [2024-08-14 14:17:57,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:17:57,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:17:57,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:17:57,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:17:57,811 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,812 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,826 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,846 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:17:57,846 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,846 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,855 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,857 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,859 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:17:57,867 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:17:57,867 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:17:57,867 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:17:57,868 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 02:17:57" (1/1) ... [2024-08-14 14:17:57,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:17:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:17:57,918 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 14:17:57,924 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 14:17:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:17:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:17:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:17:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:17:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:17:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:17:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:17:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:17:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:17:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:17:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:17:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:17:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:17:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:17:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:17:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:17:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:17:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:17:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:17:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:17:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:17:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:17:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:17:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:17:58,093 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:17:58,095 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:17:58,576 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-08-14 14:17:58,576 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:17:58,588 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:17:58,588 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:17:58,589 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:17:58 BoogieIcfgContainer [2024-08-14 14:17:58,589 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:17:58,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:17:58,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:17:58,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:17:58,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:17:57" (1/4) ... [2024-08-14 14:17:58,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53ce09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:57" (2/4) ... [2024-08-14 14:17:58,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53ce09 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,596 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 02:17:57" (3/4) ... [2024-08-14 14:17:58,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b53ce09 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:17:58" (4/4) ... [2024-08-14 14:17:58,598 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:17:58,598 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:17:58,621 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:17:58,622 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:17:58,654 INFO L92 WitnessUtils]: Constructing product of automaton with 118 states and violation witness of the following lengths: [7] [2024-08-14 14:17:58,659 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 118 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 94 states have internal predecessors, (135), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-08-14 14:17:58,776 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 131 states to 18 states. [2024-08-14 14:17:58,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:17:58,809 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;@73c07c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:17:58,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:17:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:17:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:17:58,816 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:17:58,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:17:58,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:17:58,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:17:58,826 INFO L85 PathProgramCache]: Analyzing trace with hash -924088385, now seen corresponding path program 1 times [2024-08-14 14:17:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:17:58,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171211852] [2024-08-14 14:17:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:17:58,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:17:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:17:58,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:17:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:17:58,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:17:58,974 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:17:58,975 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:17:58,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:17:58,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:17:58,983 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:17:58,990 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:17:59,005 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:17:59 BoogieIcfgContainer [2024-08-14 14:17:59,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:17:59,006 INFO L158 Benchmark]: Toolchain (without parser) took 1539.84ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 97.0MB in the beginning and 133.3MB in the end (delta: -36.3MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,007 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 115.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:17:59,007 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 157.3MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:17:59,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.72ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 81.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,008 INFO L158 Benchmark]: Boogie Preprocessor took 66.23ms. Allocated memory is still 157.3MB. Free memory was 81.8MB in the beginning and 78.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,009 INFO L158 Benchmark]: IcfgBuilder took 722.66ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 159.5MB in the end (delta: -80.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,009 INFO L158 Benchmark]: TraceAbstraction took 413.71ms. Allocated memory is still 205.5MB. Free memory was 158.5MB in the beginning and 133.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 115.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 157.3MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.72ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 81.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.23ms. Allocated memory is still 157.3MB. Free memory was 81.8MB in the beginning and 78.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 722.66ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 159.5MB in the end (delta: -80.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * TraceAbstraction took 413.71ms. Allocated memory is still 205.5MB. Free memory was 158.5MB in the beginning and 133.3MB 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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: 61]: 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, 139 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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 [2024-08-14 14:17:59,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_4-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.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-2699826-m [2024-08-14 14:18:01,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:18:01,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:18:01,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:18:01,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:18:01,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:18:01,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:18:01,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:18:01,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:18:01,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:18:01,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:18:01,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:18:01,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:18:01,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:18:01,456 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:18:01,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:18:01,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:18:01,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:18:01,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:18:01,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:18:01,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:18:01,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:18:01,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:18:01,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:18:01,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:18:01,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:18:01,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:18:01,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:18:01,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:18:01,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:18:01,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:18:01,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:18:01,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:18:01,464 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:18:01,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:18:01,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:18:01,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:18:01,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:18:01,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:18:01,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:18:01,467 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:18:01,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:18:01,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:18:01,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:18:01,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:18:01,802 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:18:01,803 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:18:01,805 INFO L431 ainManager$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_4-2a.c.cil.yml/witness.yml [2024-08-14 14:18:01,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:18:01,866 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:18:01,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:18:03,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:18:03,800 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:18:03,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:18:03,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cb77cd4/23dc449d87ea4cd2982d7caf2639f9da/FLAG587348152 [2024-08-14 14:18:03,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53cb77cd4/23dc449d87ea4cd2982d7caf2639f9da [2024-08-14 14:18:03,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:18:03,834 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:18:03,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:18:03,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:18:03,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:18:03,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/2) ... [2024-08-14 14:18:03,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359af853 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/2) ... [2024-08-14 14:18:03,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@623f2969 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:18:03" (2/2) ... [2024-08-14 14:18:03,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359af853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:18:03" (2/2) ... [2024-08-14 14:18:03,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:18:04,080 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_4-2a.c.cil.c[1999,2012] [2024-08-14 14:18:04,088 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_4-2a.c.cil.c[2393,2406] [2024-08-14 14:18:04,150 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:18:04,170 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:18:04,191 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_4-2a.c.cil.c[1999,2012] [2024-08-14 14:18:04,192 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_4-2a.c.cil.c[2393,2406] [2024-08-14 14:18:04,227 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:18:04,254 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:18:04,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04 WrapperNode [2024-08-14 14:18:04,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:18:04,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:18:04,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:18:04,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:18:04,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,318 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:18:04,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:18:04,354 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:18:04,354 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:18:04,354 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:18:04,355 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (1/1) ... [2024-08-14 14:18:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:18:04,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:18:04,391 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 14:18:04,394 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 14:18:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:18:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:18:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:18:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:18:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:18:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:18:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:18:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:18:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:18:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:18:04,574 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:18:04,576 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:18:17,139 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-08-14 14:18:17,140 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:18:17,150 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:18:17,151 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:18:17,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:18:17 BoogieIcfgContainer [2024-08-14 14:18:17,151 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:18:17,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:18:17,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:18:17,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:18:17,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/4) ... [2024-08-14 14:18:17,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59140fda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:18:17, skipping insertion in model container [2024-08-14 14:18:17,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:18:03" (2/4) ... [2024-08-14 14:18:17,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59140fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:18:17, skipping insertion in model container [2024-08-14 14:18:17,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:04" (3/4) ... [2024-08-14 14:18:17,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59140fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:18:17, skipping insertion in model container [2024-08-14 14:18:17,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:18:17" (4/4) ... [2024-08-14 14:18:17,161 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_4-2a.c.cil.c [2024-08-14 14:18:17,161 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:18:17,183 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:18:17,184 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:18:17,215 INFO L92 WitnessUtils]: Constructing product of automaton with 91 states and violation witness of the following lengths: [7] [2024-08-14 14:18:17,219 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 68 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-08-14 14:18:17,320 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 110 states to 18 states. [2024-08-14 14:18:17,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:18:17,344 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;@7360f4c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:18:17,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:18:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:18:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:18:17,350 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:18:17,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:18:17,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:18:17,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:18:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash -800735983, now seen corresponding path program 1 times [2024-08-14 14:18:17,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:18:17,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500345286] [2024-08-14 14:18:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:18:17,372 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 14:18:17,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:18:17,375 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 14:18:17,377 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 14:19:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:19:37,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:20:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:20:17,797 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:20:17,799 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:20:17,800 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:20:17,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:20:17,830 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 14:20:18,003 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 14:20:18,007 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:20:18,010 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:20:18,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:20:18 BoogieIcfgContainer [2024-08-14 14:20:18,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:20:18,026 INFO L158 Benchmark]: Toolchain (without parser) took 134191.38ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 39.6MB in the end (delta: -6.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-08-14 14:20:18,026 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 46.1MB. Free memory is still 24.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:20:18,026 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory is still 21.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:20:18,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.09ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 35.0MB in the end (delta: -1.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-08-14 14:20:18,027 INFO L158 Benchmark]: Boogie Preprocessor took 96.00ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 32.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:20:18,028 INFO L158 Benchmark]: IcfgBuilder took 12797.69ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 32.0MB in the beginning and 61.4MB in the end (delta: -29.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-08-14 14:20:18,028 INFO L158 Benchmark]: TraceAbstraction took 120871.02ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 39.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-14 14:20:18,030 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 0.21ms. Allocated memory is still 46.1MB. Free memory is still 24.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory is still 21.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.09ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 35.0MB in the end (delta: -1.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.00ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 32.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12797.69ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 32.0MB in the beginning and 61.4MB in the end (delta: -29.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * TraceAbstraction took 120871.02ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 39.6MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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: 61]: 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: 120.8s, 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=18occurred 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, 79.6s 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! [2024-08-14 14:20:18,104 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