./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.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_1-2a.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 03fe66fa Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_1-2a.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-03fe66f-m [2024-08-15 18:08:34,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:08:34,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:08:34,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:08:34,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:08:34,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:08:34,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:08:34,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:08:34,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:08:34,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:08:34,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:08:34,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:08:34,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:08:34,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:08:34,520 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:08:34,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:08:34,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:08:34,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:08:34,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:08:34,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:08:34,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:08:34,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:08:34,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:08:34,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:08:34,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:08:34,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:08:34,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:08:34,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:08:34,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:08:34,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:08:34,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:08:34,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:08:34,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:08:34,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:08:34,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:08:34,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:08:34,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:08:34,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:08:34,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:08:34,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:08:34,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:08:34,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:08:34,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:08:34,531 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:08:34,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:08:34,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:08:34,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:08:34,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:08:34,852 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:08:34,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:36,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:08:36,578 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:08:36,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:36,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c2e2ad5/a40a3ceb6a6d44eb97dacaa88051a900/FLAGc3983ba1a [2024-08-15 18:08:36,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c2e2ad5/a40a3ceb6a6d44eb97dacaa88051a900 [2024-08-15 18:08:36,936 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:08:36,937 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:08:36,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_1-2a.c.cil.yml/witness.yml [2024-08-15 18:08:36,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:08:36,998 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:08:37,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:37,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:08:37,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:08:37,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:36" (1/2) ... [2024-08-15 18:08:37,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469347fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:37, skipping insertion in model container [2024-08-15 18:08:37,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:36" (1/2) ... [2024-08-15 18:08:37,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a4d56d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:37, skipping insertion in model container [2024-08-15 18:08:37,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:36" (2/2) ... [2024-08-15 18:08:37,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469347fc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37, skipping insertion in model container [2024-08-15 18:08:37,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:36" (2/2) ... [2024-08-15 18:08:37,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:08:37,233 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_1-2a.c.cil.c[1996,2009] [2024-08-15 18:08:37,245 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_1-2a.c.cil.c[2390,2403] [2024-08-15 18:08:37,332 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:37,344 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:08:37,360 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_1-2a.c.cil.c[1996,2009] [2024-08-15 18:08:37,365 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_1-2a.c.cil.c[2390,2403] [2024-08-15 18:08:37,416 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:37,435 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:08:37,435 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37 WrapperNode [2024-08-15 18:08:37,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:37,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:08:37,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:08:37,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:08:37,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,465 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,511 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:08:37,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:08:37,545 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:08:37,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:08:37,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:08:37,546 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (1/1) ... [2024-08-15 18:08:37,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:08:37,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:08:37,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:08:37,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:08:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:08:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:08:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:08:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:08:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:08:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:08:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:08:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:08:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:08:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:08:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:08:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:08:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:08:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:08:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:08:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:08:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:08:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:08:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:08:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:08:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:08:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:08:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:08:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:08:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:08:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:08:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:08:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:08:37,750 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:08:37,753 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:08:38,292 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-08-15 18:08:38,292 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:08:38,307 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:08:38,308 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:08:38,308 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:38 BoogieIcfgContainer [2024-08-15 18:08:38,308 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:08:38,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:08:38,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:08:38,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:08:38,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:08:36" (1/4) ... [2024-08-15 18:08:38,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8685b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:36" (2/4) ... [2024-08-15 18:08:38,319 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:08:38,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8685b8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:37" (3/4) ... [2024-08-15 18:08:38,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8685b8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:38" (4/4) ... [2024-08-15 18:08:38,325 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:38,344 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:08:38,345 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:08:38,374 INFO L90 WitnessUtils]: Constructing product of automaton with 139 states and violation witness of the following lengths: [7] [2024-08-15 18:08:38,486 INFO L95 WitnessUtils]: Product has 152 reachable states. [2024-08-15 18:08:38,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:08:38,520 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;@71ecf9fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:08:38,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:08:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 206 transitions. [2024-08-15 18:08:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:08:38,530 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:08:38,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:08:38,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:08:38,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:08:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1927792317, now seen corresponding path program 1 times [2024-08-15 18:08:38,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:08:38,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435213335] [2024-08-15 18:08:38,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:08:38,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:08:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:38,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:08:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:38,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:08:38,707 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:08:38,709 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:08:38,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:08:38,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:08:38,720 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:08:38,727 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:08:38,743 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:08:38 BoogieIcfgContainer [2024-08-15 18:08:38,743 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:08:38,746 INFO L158 Benchmark]: Toolchain (without parser) took 1746.37ms. Allocated memory is still 161.5MB. Free memory was 120.3MB in the beginning and 75.0MB in the end (delta: 45.3MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-08-15 18:08:38,747 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:38,747 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:38,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.59ms. Allocated memory is still 161.5MB. Free memory was 120.3MB in the beginning and 104.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:08:38,749 INFO L158 Benchmark]: Boogie Preprocessor took 107.48ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 101.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:08:38,749 INFO L158 Benchmark]: IcfgBuilder took 763.50ms. Allocated memory is still 161.5MB. Free memory was 100.7MB in the beginning and 105.1MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-15 18:08:38,750 INFO L158 Benchmark]: TraceAbstraction took 429.58ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 75.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-15 18:08:38,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.59ms. Allocated memory is still 161.5MB. Free memory was 120.3MB in the beginning and 104.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.48ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 101.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 763.50ms. Allocated memory is still 161.5MB. Free memory was 100.7MB in the beginning and 105.1MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 429.58ms. Allocated memory is still 161.5MB. Free memory was 104.4MB in the beginning and 75.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. 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: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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: 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, 160 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=152occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:08:38,783 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_1-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_1-2a.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-03fe66f-m [2024-08-15 18:08:41,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:08:41,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:08:41,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:08:41,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:08:41,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:08:41,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:08:41,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:08:41,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:08:41,297 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:08:41,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:08:41,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:08:41,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:08:41,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:08:41,302 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:08:41,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:08:41,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:08:41,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:08:41,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:08:41,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:08:41,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:08:41,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:08:41,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:08:41,310 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:08:41,310 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:08:41,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:08:41,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:08:41,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:08:41,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:08:41,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:08:41,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:08:41,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:08:41,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:08:41,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:08:41,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:08:41,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:08:41,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:08:41,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:08:41,314 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:08:41,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:08:41,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:08:41,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:08:41,316 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:08:41,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:08:41,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:08:41,317 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:08:41,318 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:08:41,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:08:41,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:08:41,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:08:41,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:08:41,668 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:08:41,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:43,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:08:43,531 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:08:43,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:43,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f66e56747/992d62905d2448dd94224897e2662340/FLAG16f62a520 [2024-08-15 18:08:43,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f66e56747/992d62905d2448dd94224897e2662340 [2024-08-15 18:08:43,886 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:08:43,887 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:08:43,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_1-2a.c.cil.yml/witness.yml [2024-08-15 18:08:43,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:08:43,958 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:08:43,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:43,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:08:43,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:08:43,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:43" (1/2) ... [2024-08-15 18:08:43,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94fa173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:43, skipping insertion in model container [2024-08-15 18:08:43,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:43" (1/2) ... [2024-08-15 18:08:43,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20fdba3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:43, skipping insertion in model container [2024-08-15 18:08:43,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (2/2) ... [2024-08-15 18:08:43,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94fa173 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:43, skipping insertion in model container [2024-08-15 18:08:43,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (2/2) ... [2024-08-15 18:08:44,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:08:44,221 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_1-2a.c.cil.c[1996,2009] [2024-08-15 18:08:44,230 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_1-2a.c.cil.c[2390,2403] [2024-08-15 18:08:44,301 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:44,320 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:08:44,341 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_1-2a.c.cil.c[1996,2009] [2024-08-15 18:08:44,342 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_1-2a.c.cil.c[2390,2403] [2024-08-15 18:08:44,386 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:44,405 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:08:44,407 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44 WrapperNode [2024-08-15 18:08:44,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:44,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:08:44,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:08:44,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:08:44,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,474 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:08:44,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:08:44,511 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:08:44,513 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:08:44,513 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:08:44,514 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (1/1) ... [2024-08-15 18:08:44,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:08:44,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:08:44,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:08:44,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:08:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:08:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:08:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:08:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:08:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:08:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:08:44,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:08:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:08:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:08:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:08:44,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:08:44,727 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:08:44,729 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:08:57,466 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-08-15 18:08:57,466 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:08:57,482 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:08:57,483 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:08:57,484 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:57 BoogieIcfgContainer [2024-08-15 18:08:57,484 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:08:57,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:08:57,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:08:57,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:08:57,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:08:43" (1/4) ... [2024-08-15 18:08:57,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78249aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:08:57, skipping insertion in model container [2024-08-15 18:08:57,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (2/4) ... [2024-08-15 18:08:57,494 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:08:57,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78249aae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:57, skipping insertion in model container [2024-08-15 18:08:57,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:44" (3/4) ... [2024-08-15 18:08:57,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78249aae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:57, skipping insertion in model container [2024-08-15 18:08:57,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:57" (4/4) ... [2024-08-15 18:08:57,499 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_1-2a.c.cil.c [2024-08-15 18:08:57,522 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:08:57,522 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:08:57,558 INFO L90 WitnessUtils]: Constructing product of automaton with 112 states and violation witness of the following lengths: [7] [2024-08-15 18:08:57,671 INFO L95 WitnessUtils]: Product has 131 reachable states. [2024-08-15 18:08:57,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:08:57,699 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;@7871c0ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:08:57,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:08:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2024-08-15 18:08:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:08:57,710 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:08:57,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:08:57,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:08:57,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:08:57,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2051144719, now seen corresponding path program 1 times [2024-08-15 18:08:57,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:08:57,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925479470] [2024-08-15 18:08:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:08:57,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:08:57,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:08:57,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-15 18:08:57,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-15 18:09:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:09:09,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:11:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:11:32,555 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:11:32,556 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:11:32,557 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:11:32,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:11:32,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-15 18:11:32,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:11:32,764 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:11:32,770 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:11:32,785 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:11:32 BoogieIcfgContainer [2024-08-15 18:11:32,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:11:32,787 INFO L158 Benchmark]: Toolchain (without parser) took 168828.97ms. Allocated memory is still 75.5MB. Free memory was 41.9MB in the beginning and 40.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:11:32,787 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 56.6MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:11:32,788 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:11:32,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.49ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 45.6MB in the end (delta: -3.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-08-15 18:11:32,789 INFO L158 Benchmark]: Boogie Preprocessor took 101.90ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:11:32,789 INFO L158 Benchmark]: IcfgBuilder took 12973.30ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 39.5MB in the end (delta: 2.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-08-15 18:11:32,790 INFO L158 Benchmark]: TraceAbstraction took 155299.49ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 40.4MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:11:32,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 56.6MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.49ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 45.6MB in the end (delta: -3.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.90ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 42.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12973.30ms. Allocated memory is still 75.5MB. Free memory was 42.2MB in the beginning and 39.5MB in the end (delta: 2.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 155299.49ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 40.4MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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: 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, 133 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 155.2s, 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=131occurred 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, 12.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:11:32,875 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