./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_1+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_1+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 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_1+soft_float_3a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+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-2699826-m [2024-08-14 14:16:08,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:08,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:16:08,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:08,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:08,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:08,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:08,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:08,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:08,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:08,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:08,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:08,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:08,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:08,502 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:08,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:08,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:08,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:08,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:16:08,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:08,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:08,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:08,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:08,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:08,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:08,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:08,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:08,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:08,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:08,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:08,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:08,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:16:08,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:16:08,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:08,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:08,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:08,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:08,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:08,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:08,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:08,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:08,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:08,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:08,758 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:08,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:10,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:10,379 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:10,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:10,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819161e63/00445d19d0ec4faab7cf178c4888fad5/FLAG65b6c7e0e [2024-08-14 14:16:10,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/819161e63/00445d19d0ec4faab7cf178c4888fad5 [2024-08-14 14:16:10,401 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:10,402 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:10,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_3a.c.cil.yml/witness.yml [2024-08-14 14:16:10,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:10,452 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:10,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:10,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:10,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:10,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:10" (1/2) ... [2024-08-14 14:16:10,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f736c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:10, skipping insertion in model container [2024-08-14 14:16:10,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:10" (1/2) ... [2024-08-14 14:16:10,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@588cad12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:10, skipping insertion in model container [2024-08-14 14:16:10,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:10" (2/2) ... [2024-08-14 14:16:10,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f736c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:10, skipping insertion in model container [2024-08-14 14:16:10,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:10" (2/2) ... [2024-08-14 14:16:10,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:10,637 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_1+soft_float_3a.c.cil.c[1996,2009] [2024-08-14 14:16:10,643 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_1+soft_float_3a.c.cil.c[2365,2378] [2024-08-14 14:16:10,692 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:10,706 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:10,720 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_1+soft_float_3a.c.cil.c[1996,2009] [2024-08-14 14:16:10,725 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_1+soft_float_3a.c.cil.c[2365,2378] [2024-08-14 14:16:10,741 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:10,754 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:10,754 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:10 WrapperNode [2024-08-14 14:16:10,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:10,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:10,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:10,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:10,766 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,767 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,776 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,790 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 14:16:10,790 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,790 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,804 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,806 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,807 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:10,811 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:10,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:10,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:10,812 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 02:16:10" (1/1) ... [2024-08-14 14:16:10,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:10,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:10,850 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 14:16:10,857 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 14:16:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:16:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:16:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:16:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:16:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:16:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:16:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:16:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:16:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:11,079 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:11,081 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:11,509 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:11,510 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:11,528 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:11,529 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:11,529 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:11 BoogieIcfgContainer [2024-08-14 14:16:11,529 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:11,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:11,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:11,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:11,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:10" (1/4) ... [2024-08-14 14:16:11,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff55dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:10" (2/4) ... [2024-08-14 14:16:11,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff55dd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,537 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 02:16:10" (3/4) ... [2024-08-14 14:16:11,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff55dd1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:11" (4/4) ... [2024-08-14 14:16:11,539 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:11,539 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:11,556 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:11,556 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:11,594 INFO L92 WitnessUtils]: Constructing product of automaton with 124 states and violation witness of the following lengths: [7] [2024-08-14 14:16:11,598 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 124 states, 100 states have (on average 1.48) internal successors, (148), 103 states have internal predecessors, (148), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-08-14 14:16:11,676 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 132 states to 18 states. [2024-08-14 14:16:11,698 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:11,706 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;@a588def, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:11,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:16:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:16:11,713 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:16:11,713 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 14:16:11,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:16:11,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:16:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2040486497, now seen corresponding path program 1 times [2024-08-14 14:16:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:16:11,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847208797] [2024-08-14 14:16:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:16:11,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:16:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:11,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:16:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:11,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:16:11,838 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:16:11,839 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:11,840 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:11,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:16:11,844 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:16:11,847 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:11,857 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:11 BoogieIcfgContainer [2024-08-14 14:16:11,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:11,859 INFO L158 Benchmark]: Toolchain (without parser) took 1406.38ms. Allocated memory is still 182.5MB. Free memory was 108.4MB in the beginning and 105.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-08-14 14:16:11,859 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:11,859 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:11,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.71ms. Allocated memory is still 182.5MB. Free memory was 108.4MB in the beginning and 93.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:16:11,860 INFO L158 Benchmark]: Boogie Preprocessor took 54.70ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:11,860 INFO L158 Benchmark]: IcfgBuilder took 719.80ms. Allocated memory is still 182.5MB. Free memory was 90.1MB in the beginning and 131.6MB in the end (delta: -41.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-08-14 14:16:11,861 INFO L158 Benchmark]: TraceAbstraction took 325.84ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 105.5MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:11,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.71ms. Allocated memory is still 182.5MB. Free memory was 108.4MB in the beginning and 93.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.70ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 90.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 719.80ms. Allocated memory is still 182.5MB. Free memory was 90.1MB in the beginning and 131.6MB in the end (delta: -41.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 325.84ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 105.5MB in the end (delta: 26.1MB). 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 < 1.39f) [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: 0.3s, 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 14:16:11,888 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_1+soft_float_3a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+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-2699826-m [2024-08-14 14:16:13,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:14,046 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:16:14,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:14,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:14,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:14,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:14,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:14,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:14,085 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:14,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:14,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:14,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:14,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:14,088 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:14,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:14,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:14,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:14,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:14,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:14,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:14,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:14,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:14,090 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:16:14,091 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:16:14,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:14,091 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:16:14,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:14,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:14,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:14,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:14,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:14,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:14,093 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:14,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:14,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:14,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:14,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:14,094 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:16:14,094 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:16:14,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:14,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:14,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:14,096 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:14,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:14,097 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:16:14,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:14,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:14,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:14,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:14,422 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:14,427 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:14,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_3a.c.cil.yml/witness.yml [2024-08-14 14:16:14,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:14,542 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:14,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:16,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:16,482 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:16,485 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:16,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165c25d64/72fed5118f2d4a6bb4e72ab71f35d2ad/FLAG6846dd0b9 [2024-08-14 14:16:16,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165c25d64/72fed5118f2d4a6bb4e72ab71f35d2ad [2024-08-14 14:16:16,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:16,519 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:16,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:16,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:16,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:16,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:14" (1/2) ... [2024-08-14 14:16:16,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3933cade and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:16, skipping insertion in model container [2024-08-14 14:16:16,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:14" (1/2) ... [2024-08-14 14:16:16,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a5b2c85 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:16, skipping insertion in model container [2024-08-14 14:16:16,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:16" (2/2) ... [2024-08-14 14:16:16,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3933cade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16, skipping insertion in model container [2024-08-14 14:16:16,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:16" (2/2) ... [2024-08-14 14:16:16,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:16,715 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_1+soft_float_3a.c.cil.c[1996,2009] [2024-08-14 14:16:16,722 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_1+soft_float_3a.c.cil.c[2365,2378] [2024-08-14 14:16:16,771 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:16,788 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:16,803 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_1+soft_float_3a.c.cil.c[1996,2009] [2024-08-14 14:16:16,804 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_1+soft_float_3a.c.cil.c[2365,2378] [2024-08-14 14:16:16,837 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:16,855 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:16,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16 WrapperNode [2024-08-14 14:16:16,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:16,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:16,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:16,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:16,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,905 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 14:16:16,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:16,932 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:16,932 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:16,932 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:16,933 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (1/1) ... [2024-08-14 14:16:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:16,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:16,966 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 14:16:16,971 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 14:16:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:16:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:16:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:16:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:16:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:16:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:17,095 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:17,097 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:29,582 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:29,582 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:29,594 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:29,594 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:29,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:29 BoogieIcfgContainer [2024-08-14 14:16:29,594 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:29,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:29,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:29,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:29,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:14" (1/4) ... [2024-08-14 14:16:29,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111ca56c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:29, skipping insertion in model container [2024-08-14 14:16:29,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:16" (2/4) ... [2024-08-14 14:16:29,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111ca56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:29, skipping insertion in model container [2024-08-14 14:16:29,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:16" (3/4) ... [2024-08-14 14:16:29,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111ca56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:29, skipping insertion in model container [2024-08-14 14:16:29,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:29" (4/4) ... [2024-08-14 14:16:29,601 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_3a.c.cil.c [2024-08-14 14:16:29,601 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:29,617 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:29,617 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:29,642 INFO L92 WitnessUtils]: Constructing product of automaton with 98 states and violation witness of the following lengths: [7] [2024-08-14 14:16:29,645 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 98 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 78 states have internal predecessors, (105), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-08-14 14:16:29,695 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 111 states to 18 states. [2024-08-14 14:16:29,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:29,713 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;@60a2c9e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:29,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:16:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:16:29,718 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:16:29,718 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 14:16:29,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:16:29,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:16:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1966723052, now seen corresponding path program 1 times [2024-08-14 14:16:29,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:16:29,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782649524] [2024-08-14 14:16:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:16:29,732 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 14:16:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:16:29,735 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 14:16:29,736 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 14:16:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:40,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:18:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:18:45,612 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:18:45,614 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:18:45,615 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:18:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:18:45,657 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 14:18:45,824 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 14:18:45,828 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:18:45,832 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:18:45,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:18:45 BoogieIcfgContainer [2024-08-14 14:18:45,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:18:45,848 INFO L158 Benchmark]: Toolchain (without parser) took 149329.11ms. Allocated memory is still 115.3MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.1MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-08-14 14:18:45,849 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:18:45,849 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:18:45,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.79ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 82.7MB in the end (delta: -14.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-08-14 14:18:45,850 INFO L158 Benchmark]: Boogie Preprocessor took 73.96ms. Allocated memory is still 115.3MB. Free memory was 82.7MB in the beginning and 79.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:18:45,850 INFO L158 Benchmark]: IcfgBuilder took 12662.35ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 90.8MB in the end (delta: -11.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-08-14 14:18:45,850 INFO L158 Benchmark]: TraceAbstraction took 136251.76ms. Allocated memory is still 115.3MB. Free memory was 90.0MB in the beginning and 67.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 14:18:45,852 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 0.14ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.79ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 82.7MB in the end (delta: -14.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.96ms. Allocated memory is still 115.3MB. Free memory was 82.7MB in the beginning and 79.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12662.35ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 90.8MB in the end (delta: -11.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * TraceAbstraction took 136251.76ms. Allocated memory is still 115.3MB. Free memory was 90.0MB in the beginning and 67.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. 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=0.9999998807907104] [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=1.3984375] [L47] COND TRUE !(result >= 0.0f && result < 1.39f) [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: 136.2s, 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, 10.9s 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 14:18:45,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE