./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03fe66fa Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:10:21,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:10:21,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:10:21,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:10:21,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:10:21,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:10:21,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:10:21,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:10:21,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:10:21,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:10:21,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:10:21,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:10:21,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:10:21,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:10:21,552 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:10:21,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:10:21,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:10:21,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:10:21,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:10:21,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:10:21,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:10:21,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:10:21,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:10:21,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:10:21,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:10:21,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:10:21,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:10:21,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:10:21,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:10:21,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:10:21,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:10:21,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:10:21,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:10:21,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:10:21,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:10:21,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:10:21,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:10:21,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:10:21,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:10:21,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:10:21,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:10:21,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:10:21,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:10:21,566 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:10:21,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:10:21,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:10:21,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:10:21,883 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:10:21,884 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:10:21,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml [2024-08-15 18:10:21,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:10:21,973 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:10:21,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:23,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:10:23,799 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:10:23,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:23,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd75c4c8/b34d811ffd4c40c9a7b761a2609c4bb9/FLAGe840926ea [2024-08-15 18:10:23,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cd75c4c8/b34d811ffd4c40c9a7b761a2609c4bb9 [2024-08-15 18:10:23,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:10:23,826 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:10:23,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:23,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:10:23,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:10:23,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:21" (1/2) ... [2024-08-15 18:10:23,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb1eed2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:21" (1/2) ... [2024-08-15 18:10:23,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63f357cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:23" (2/2) ... [2024-08-15 18:10:23,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb1eed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:23, skipping insertion in model container [2024-08-15 18:10:23,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:23" (2/2) ... [2024-08-15 18:10:23,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:10:24,031 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-08-15 18:10:24,039 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-08-15 18:10:24,098 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:24,113 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:10:24,135 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-08-15 18:10:24,141 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-08-15 18:10:24,186 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:24,203 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:10:24,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24 WrapperNode [2024-08-15 18:10:24,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:24,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:10:24,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:10:24,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:10:24,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,280 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:10:24,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:10:24,322 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:10:24,323 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:10:24,323 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:10:24,324 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (1/1) ... [2024-08-15 18:10:24,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:10:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:10:24,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:10:24,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:10:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:10:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:10:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:10:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:10:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:10:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:10:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:10:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:10:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:10:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:10:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:10:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:10:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:10:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:10:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:10:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:10:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:10:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:10:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:10:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:10:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:10:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:10:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:10:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:10:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:10:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:10:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:10:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:10:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:10:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:10:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:10:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:10:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:10:24,550 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:10:24,552 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:10:25,050 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-08-15 18:10:25,051 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:10:25,063 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:10:25,063 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:10:25,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:25 BoogieIcfgContainer [2024-08-15 18:10:25,064 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:10:25,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:10:25,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:10:25,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:10:25,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:21" (1/4) ... [2024-08-15 18:10:25,071 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:10:25,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc413f8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:10:25, skipping insertion in model container [2024-08-15 18:10:25,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:10:23" (2/4) ... [2024-08-15 18:10:25,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc413f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:25, skipping insertion in model container [2024-08-15 18:10:25,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:24" (3/4) ... [2024-08-15 18:10:25,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc413f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:25, skipping insertion in model container [2024-08-15 18:10:25,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:25" (4/4) ... [2024-08-15 18:10:25,076 INFO L128 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:25,097 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:10:25,098 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:10:25,129 INFO L90 WitnessUtils]: Constructing product of automaton with 118 states and violation witness of the following lengths: [7] [2024-08-15 18:10:25,245 INFO L95 WitnessUtils]: Product has 131 reachable states. [2024-08-15 18:10:25,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:10:25,276 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;@6010410f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:10:25,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:10:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2024-08-15 18:10:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:10:25,287 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:10:25,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:10:25,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:10:25,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:10:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -924088385, now seen corresponding path program 1 times [2024-08-15 18:10:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:10:25,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874928261] [2024-08-15 18:10:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:10:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:10:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:10:25,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:10:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:10:25,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:10:25,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:10:25,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:10:25,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:10:25,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:10:25,454 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:10:25,458 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:10:25,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:10:25 BoogieIcfgContainer [2024-08-15 18:10:25,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:10:25,471 INFO L158 Benchmark]: Toolchain (without parser) took 1644.90ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 80.9MB in the beginning and 107.3MB in the end (delta: -26.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-08-15 18:10:25,471 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:25,472 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 21.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:10:25,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.95ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 65.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-15 18:10:25,473 INFO L158 Benchmark]: Boogie Preprocessor took 113.26ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 162.9MB in the end (delta: -97.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-08-15 18:10:25,473 INFO L158 Benchmark]: IcfgBuilder took 741.79ms. Allocated memory is still 192.9MB. Free memory was 162.9MB in the beginning and 132.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-15 18:10:25,474 INFO L158 Benchmark]: TraceAbstraction took 403.44ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 107.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-15 18:10:25,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 69.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 21.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.95ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 65.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.26ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 162.9MB in the end (delta: -97.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * IcfgBuilder took 741.79ms. Allocated memory is still 192.9MB. Free memory was 162.9MB in the beginning and 132.5MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 403.44ms. Allocated memory is still 192.9MB. Free memory was 132.5MB in the beginning and 107.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 61]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 139 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:10:25,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:10:27,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:10:27,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:10:27,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:10:27,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:10:28,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:10:28,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:10:28,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:10:28,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:10:28,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:10:28,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:10:28,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:10:28,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:10:28,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:10:28,012 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:10:28,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:10:28,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:10:28,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:10:28,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:10:28,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:10:28,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:10:28,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:10:28,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:10:28,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:10:28,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:10:28,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:10:28,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:10:28,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:10:28,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:10:28,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:10:28,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:10:28,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:10:28,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:10:28,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:10:28,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:10:28,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:10:28,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:10:28,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:10:28,021 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:10:28,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:10:28,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:10:28,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:10:28,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:10:28,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:10:28,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:10:28,023 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:10:28,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:10:28,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:10:28,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:10:28,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:10:28,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:10:28,403 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:10:28,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:30,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:10:30,244 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:10:30,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:30,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f2531a8/4cf09ea2ed02454e87e960551bf8c29e/FLAG616ee4d53 [2024-08-15 18:10:30,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f2531a8/4cf09ea2ed02454e87e960551bf8c29e [2024-08-15 18:10:30,292 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:10:30,293 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:10:30,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_3+soft_float_4-2a.c.cil.yml/witness.yml [2024-08-15 18:10:30,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:10:30,369 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:10:30,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:30,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:10:30,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:10:30,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:30" (1/2) ... [2024-08-15 18:10:30,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a9f4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:30, skipping insertion in model container [2024-08-15 18:10:30,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:10:30" (1/2) ... [2024-08-15 18:10:30,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68705165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:10:30, skipping insertion in model container [2024-08-15 18:10:30,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:30" (2/2) ... [2024-08-15 18:10:30,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a9f4fa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:30, skipping insertion in model container [2024-08-15 18:10:30,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:30" (2/2) ... [2024-08-15 18:10:30,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:10:30,632 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-08-15 18:10:30,645 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-08-15 18:10:30,728 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:30,751 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:10:30,770 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-08-15 18:10:30,772 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-08-15 18:10:30,807 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:10:30,829 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:10:30,830 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:10:30 WrapperNode [2024-08-15 18:10:30,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:10:30,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:10:30,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:10:30,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:10:30,846 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,846 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,862 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,892 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:10:30,892 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,893 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,911 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,920 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,922 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:10:30,933 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:10:30,933 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:10:30,934 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:10:30,935 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 06:10:30" (1/1) ... [2024-08-15 18:10:30,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:10:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:10:30,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:10:30,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:10:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:10:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:10:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:10:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:10:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:10:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:10:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:10:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:10:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:10:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:10:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:10:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:10:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:10:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:10:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:10:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:10:31,152 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:10:31,155 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:10:43,889 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-08-15 18:10:43,889 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:10:43,902 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:10:43,903 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:10:43,903 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:43 BoogieIcfgContainer [2024-08-15 18:10:43,904 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:10:43,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:10:43,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:10:43,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:10:43,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:10:30" (1/4) ... [2024-08-15 18:10:43,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ca79c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:10:43, skipping insertion in model container [2024-08-15 18:10:43,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:10:30" (2/4) ... [2024-08-15 18:10:43,911 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:10:43,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ca79c9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:10:43, skipping insertion in model container [2024-08-15 18:10:43,914 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 06:10:30" (3/4) ... [2024-08-15 18:10:43,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ca79c9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:10:43, skipping insertion in model container [2024-08-15 18:10:43,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:10:43" (4/4) ... [2024-08-15 18:10:43,919 INFO L128 eAbstractionObserver]: Analyzing ICFG square_3+soft_float_4-2a.c.cil.c [2024-08-15 18:10:43,942 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:10:43,942 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:10:43,977 INFO L90 WitnessUtils]: Constructing product of automaton with 91 states and violation witness of the following lengths: [7] [2024-08-15 18:10:44,071 INFO L95 WitnessUtils]: Product has 110 reachable states. [2024-08-15 18:10:44,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:10:44,104 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;@130c603c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:10:44,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:10:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-08-15 18:10:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:10:44,115 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:10:44,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:10:44,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:10:44,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:10:44,122 INFO L85 PathProgramCache]: Analyzing trace with hash -800735983, now seen corresponding path program 1 times [2024-08-15 18:10:44,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:10:44,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634959182] [2024-08-15 18:10:44,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:10:44,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:10:44,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:10:44,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-15 18:10:44,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-15 18:12:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:12:18,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:13:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:13:09,422 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:13:09,423 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:13:09,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:13:09,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:13:09,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-15 18:13:09,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:13:09,630 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:13:09,634 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:13:09,645 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:13:09 BoogieIcfgContainer [2024-08-15 18:13:09,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:13:09,646 INFO L158 Benchmark]: Toolchain (without parser) took 159276.95ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 30.2MB in the end (delta: 17.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,646 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 27.3MB in the beginning and 42.3MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,647 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 79.7MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:13:09,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.03ms. Allocated memory is still 79.7MB. Free memory was 47.4MB in the beginning and 53.9MB in the end (delta: -6.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,648 INFO L158 Benchmark]: Boogie Preprocessor took 100.00ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,648 INFO L158 Benchmark]: IcfgBuilder took 12970.86ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 51.6MB in the end (delta: -515.7kB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,657 INFO L158 Benchmark]: TraceAbstraction took 145739.30ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 30.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-15 18:13:09,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 27.3MB in the beginning and 42.3MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.75ms. Allocated memory is still 79.7MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.03ms. Allocated memory is still 79.7MB. Free memory was 47.4MB in the beginning and 53.9MB in the end (delta: -6.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.00ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 51.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12970.86ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 51.6MB in the end (delta: -515.7kB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 145739.30ms. Allocated memory is still 79.7MB. Free memory was 51.1MB in the beginning and 30.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [IN=0.999984622001648] [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984332084655762] [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() - UnprovableResult [Line: 61]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 145.7s, 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=110occurred 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, 93.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:13:09,745 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