./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_5a.c.cil.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_5a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:17:56,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:17:56,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:17:56,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:17:56,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:17:56,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:17:56,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:17:56,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:17:56,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:17:56,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:17:56,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:17:56,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:17:56,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:17:56,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:17:56,490 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:17:56,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:17:56,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:17:56,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:17:56,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:17:56,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:17:56,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:17:56,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:17:56,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:17:56,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:17:56,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:17:56,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:17:56,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:17:56,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:17:56,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:17:56,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:17:56,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:17:56,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:17:56,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:17:56,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:17:56,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:17:56,497 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:17:56,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:17:56,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:17:56,498 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:17:56,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:17:56,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:17:56,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:17:56,716 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:17:56,717 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:17:56,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_5a.c.cil.yml/witness.yml [2024-08-14 14:17:56,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:17:56,765 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:17:56,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c [2024-08-14 14:17:58,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:17:58,194 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:17:58,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c [2024-08-14 14:17:58,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394ec5352/fd9ee7da612a4c4d9766356253fb3ea6/FLAGb2dfc6019 [2024-08-14 14:17:58,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394ec5352/fd9ee7da612a4c4d9766356253fb3ea6 [2024-08-14 14:17:58,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:17:58,218 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:17:58,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:17:58,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:17:58,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:17:58,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:56" (1/2) ... [2024-08-14 14:17:58,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68625aa2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:56" (1/2) ... [2024-08-14 14:17:58,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@448e7e8a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:17:58" (2/2) ... [2024-08-14 14:17:58,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68625aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58, skipping insertion in model container [2024-08-14 14:17:58,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:17:58" (2/2) ... [2024-08-14 14:17:58,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:17:58,399 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2024-08-14 14:17:58,404 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2024-08-14 14:17:58,452 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:17:58,461 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:17:58,476 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2024-08-14 14:17:58,477 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2024-08-14 14:17:58,497 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:17:58,518 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:17:58,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58 WrapperNode [2024-08-14 14:17:58,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:17:58,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:17:58,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:17:58,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:17:58,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,561 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:17:58,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:17:58,582 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:17:58,583 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:17:58,583 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:17:58,583 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (1/1) ... [2024-08-14 14:17:58,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:17:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:17:58,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:17:58,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:17:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:17:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:17:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:17:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:17:58,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:17:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:17:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:17:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:17:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:17:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:17:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:17:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:17:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:17:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:17:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:17:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:17:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:17:58,757 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:17:58,760 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:17:59,088 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-08-14 14:17:59,089 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:17:59,100 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:17:59,101 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:17:59,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:17:59 BoogieIcfgContainer [2024-08-14 14:17:59,102 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:17:59,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:17:59,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:17:59,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:17:59,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:17:56" (1/4) ... [2024-08-14 14:17:59,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf73a88 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:17:59, skipping insertion in model container [2024-08-14 14:17:59,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:17:58" (2/4) ... [2024-08-14 14:17:59,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf73a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:17:59, skipping insertion in model container [2024-08-14 14:17:59,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:17:58" (3/4) ... [2024-08-14 14:17:59,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf73a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:17:59, skipping insertion in model container [2024-08-14 14:17:59,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:17:59" (4/4) ... [2024-08-14 14:17:59,111 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_5a.c.cil.c [2024-08-14 14:17:59,111 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:17:59,126 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:17:59,127 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:17:59,157 INFO L92 WitnessUtils]: Constructing product of automaton with 124 states and violation witness of the following lengths: [7] [2024-08-14 14:17:59,160 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 14:17:59,234 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 132 states to 18 states. [2024-08-14 14:17:59,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:17:59,256 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;@5237370a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:17:59,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:17:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:17:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:17:59,261 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:17:59,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:17:59,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:17:59,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:17:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2040486497, now seen corresponding path program 1 times [2024-08-14 14:17:59,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:17:59,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267105915] [2024-08-14 14:17:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:17:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:17:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:17:59,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:17:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:17:59,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:17:59,376 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:17:59,377 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:17:59,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:17:59,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:17:59,381 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:17:59,384 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:17:59,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:17:59 BoogieIcfgContainer [2024-08-14 14:17:59,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:17:59,396 INFO L158 Benchmark]: Toolchain (without parser) took 1178.00ms. Allocated memory is still 138.4MB. Free memory was 81.4MB in the beginning and 58.7MB in the end (delta: 22.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,396 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:17:59,396 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:17:59,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.01ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 65.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,397 INFO L158 Benchmark]: Boogie Preprocessor took 61.15ms. Allocated memory is still 138.4MB. Free memory was 65.9MB in the beginning and 63.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,397 INFO L158 Benchmark]: IcfgBuilder took 519.76ms. Allocated memory is still 138.4MB. Free memory was 63.1MB in the beginning and 85.8MB in the end (delta: -22.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,398 INFO L158 Benchmark]: TraceAbstraction took 290.59ms. Allocated memory is still 138.4MB. Free memory was 85.2MB in the beginning and 58.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-14 14:17:59,399 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 0.18ms. Allocated memory is still 138.4MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.01ms. Allocated memory is still 138.4MB. Free memory was 81.0MB in the beginning and 65.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.15ms. Allocated memory is still 138.4MB. Free memory was 65.9MB in the beginning and 63.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 519.76ms. Allocated memory is still 138.4MB. Free memory was 63.1MB in the beginning and 85.8MB in the end (delta: -22.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 290.59ms. Allocated memory is still 138.4MB. Free memory was 85.2MB in the beginning and 58.7MB in the end (delta: 26.5MB). 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-14 14:17:59,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_5a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:18:01,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:18:01,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:18:01,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:18:01,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:18:01,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:18:01,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:18:01,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:18:01,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:18:01,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:18:01,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:18:01,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:18:01,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:18:01,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:18:01,241 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:18:01,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:18:01,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:18:01,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:18:01,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:18:01,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:18:01,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:18:01,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:18:01,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:18:01,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:18:01,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:18:01,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:18:01,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:18:01,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:18:01,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:18:01,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:18:01,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:18:01,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:18:01,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:18:01,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:18:01,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:18:01,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:18:01,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:18:01,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:18:01,250 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:18:01,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:18:01,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:18:01,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:18:01,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:18:01,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:18:01,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:18:01,252 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:18:01,253 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:18:01,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:18:01,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:18:01,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:18:01,526 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:18:01,526 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:18:01,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_5a.c.cil.yml/witness.yml [2024-08-14 14:18:01,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:18:01,584 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:18:01,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c [2024-08-14 14:18:02,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:18:03,004 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:18:03,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c [2024-08-14 14:18:03,016 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4cced61/b775bef40cf64d7da58a1e0f83b4d2eb/FLAGdfd85c547 [2024-08-14 14:18:03,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b4cced61/b775bef40cf64d7da58a1e0f83b4d2eb [2024-08-14 14:18:03,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:18:03,397 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:18:03,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:18:03,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:18:03,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:18:03,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/2) ... [2024-08-14 14:18:03,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5f336b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/2) ... [2024-08-14 14:18:03,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@262f56b8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:18:03" (2/2) ... [2024-08-14 14:18:03,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5f336b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03, skipping insertion in model container [2024-08-14 14:18:03,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:18:03" (2/2) ... [2024-08-14 14:18:03,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:18:03,578 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2024-08-14 14:18:03,585 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2024-08-14 14:18:03,630 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:18:03,642 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:18:03,656 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2024-08-14 14:18:03,657 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2024-08-14 14:18:03,676 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:18:03,689 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:18:03,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03 WrapperNode [2024-08-14 14:18:03,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:18:03,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:18:03,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:18:03,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:18:03,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,732 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:18:03,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:18:03,760 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:18:03,760 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:18:03,760 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:18:03,761 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (1/1) ... [2024-08-14 14:18:03,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:18:03,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:18:03,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:18:03,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:18:03,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:18:03,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:18:03,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:18:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:18:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:18:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:18:03,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:18:03,827 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:18:03,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:18:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:18:03,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:18:03,896 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:18:03,898 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:18:12,994 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-08-14 14:18:12,994 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:18:13,005 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:18:13,005 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:18:13,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:18:13 BoogieIcfgContainer [2024-08-14 14:18:13,005 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:18:13,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:18:13,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:18:13,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:18:13,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:18:01" (1/4) ... [2024-08-14 14:18:13,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65570884 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:18:13, skipping insertion in model container [2024-08-14 14:18:13,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:18:03" (2/4) ... [2024-08-14 14:18:13,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65570884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:18:13, skipping insertion in model container [2024-08-14 14:18:13,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:18:03" (3/4) ... [2024-08-14 14:18:13,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65570884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:18:13, skipping insertion in model container [2024-08-14 14:18:13,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:18:13" (4/4) ... [2024-08-14 14:18:13,014 INFO L119 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_5a.c.cil.c [2024-08-14 14:18:13,015 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:18:13,028 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:18:13,029 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:18:13,058 INFO L92 WitnessUtils]: Constructing product of automaton with 98 states and violation witness of the following lengths: [7] [2024-08-14 14:18:13,061 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 14:18:13,130 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 111 states to 18 states. [2024-08-14 14:18:13,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:18:13,153 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;@2e46eb1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:18:13,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:18:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:18:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:18:13,157 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:18:13,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:18:13,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:18:13,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:18:13,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1966723052, now seen corresponding path program 1 times [2024-08-14 14:18:13,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:18:13,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187137515] [2024-08-14 14:18:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:18:13,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:18:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:18:13,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 14:18:13,179 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 14:18:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:18:59,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:19:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:19:25,503 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:19:25,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:19:25,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:19:25,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:19:25,535 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 14:19:25,707 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 14:19:25,710 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:19:25,714 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:19:25,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:19:25 BoogieIcfgContainer [2024-08-14 14:19:25,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:19:25,726 INFO L158 Benchmark]: Toolchain (without parser) took 82329.03ms. Allocated memory is still 79.7MB. Free memory was 46.5MB in the beginning and 31.0MB in the end (delta: 15.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-08-14 14:19:25,726 INFO L158 Benchmark]: Witness Parser took 0.62ms. Allocated memory is still 54.5MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:19:25,726 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:19:25,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.83ms. Allocated memory is still 79.7MB. Free memory was 46.3MB in the beginning and 52.8MB in the end (delta: -6.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-08-14 14:19:25,727 INFO L158 Benchmark]: Boogie Preprocessor took 68.26ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 49.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:19:25,727 INFO L158 Benchmark]: IcfgBuilder took 9245.79ms. Allocated memory is still 79.7MB. Free memory was 49.4MB in the beginning and 53.6MB in the end (delta: -4.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-08-14 14:19:25,728 INFO L158 Benchmark]: TraceAbstraction took 72718.11ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 31.0MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 14:19:25,729 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 0.62ms. Allocated memory is still 54.5MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.83ms. Allocated memory is still 79.7MB. Free memory was 46.3MB in the beginning and 52.8MB in the end (delta: -6.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.26ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 49.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 9245.79ms. Allocated memory is still 79.7MB. Free memory was 49.4MB in the beginning and 53.6MB in the end (delta: -4.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * TraceAbstraction took 72718.11ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 31.0MB in the end (delta: 22.1MB). 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [IN=0.999984622001648] [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984332084655762] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 72.7s, 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, 46.5s 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 14:19:25,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE