./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26998269 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:16:08,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:08,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:16:08,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:08,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:08,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:08,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:08,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:08,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:08,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:08,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:08,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:08,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:08,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:08,912 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:08,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:08,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:08,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:08,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:16:08,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:08,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:08,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:08,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:08,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:08,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:08,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:08,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:08,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:08,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:08,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:08,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:08,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:08,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:08,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:08,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:08,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:08,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:16:08,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:16:08,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:08,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:08,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:08,923 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:08,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:08,923 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:09,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:09,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:09,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:09,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:09,230 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:09,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:10,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:10,841 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:10,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:10,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14e19ff9/e866555834ac4a83a523c476b061aaa7/FLAGb705f0505 [2024-08-14 14:16:11,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14e19ff9/e866555834ac4a83a523c476b061aaa7 [2024-08-14 14:16:11,231 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:11,232 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:11,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml [2024-08-14 14:16:11,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:11,297 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:11,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:11,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:11,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:11,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:11" (1/2) ... [2024-08-14 14:16:11,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17964720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:11" (1/2) ... [2024-08-14 14:16:11,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fd2b421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:11" (2/2) ... [2024-08-14 14:16:11,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17964720 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11, skipping insertion in model container [2024-08-14 14:16:11,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:11" (2/2) ... [2024-08-14 14:16:11,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:11,516 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[1996,2009] [2024-08-14 14:16:11,524 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[2365,2378] [2024-08-14 14:16:11,563 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:11,571 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:11,585 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_1+soft_float_2a.c.cil.c[1996,2009] [2024-08-14 14:16:11,587 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[2365,2378] [2024-08-14 14:16:11,616 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:11,634 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:11,635 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11 WrapperNode [2024-08-14 14:16:11,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:11,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:11,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:11,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:11,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,687 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:16:11,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:11,705 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:11,705 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:11,705 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:11,706 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (1/1) ... [2024-08-14 14:16:11,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:11,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:11,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:16:11,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:16:11,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:11,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:16:11,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:16:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:16:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:16:11,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:16:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:11,803 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:16:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:16:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:16:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:16:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:16:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:16:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:11,990 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:11,993 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:12,506 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:12,506 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:12,516 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:12,517 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:12,517 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:12 BoogieIcfgContainer [2024-08-14 14:16:12,517 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:12,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:12,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:12,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:12,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:11" (1/4) ... [2024-08-14 14:16:12,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb2a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:12, skipping insertion in model container [2024-08-14 14:16:12,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:11" (2/4) ... [2024-08-14 14:16:12,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb2a72 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:12, skipping insertion in model container [2024-08-14 14:16:12,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:11" (3/4) ... [2024-08-14 14:16:12,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb2a72 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:12, skipping insertion in model container [2024-08-14 14:16:12,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:12" (4/4) ... [2024-08-14 14:16:12,527 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:12,528 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:12,550 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:12,550 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:12,575 INFO L92 WitnessUtils]: Constructing product of automaton with 124 states and violation witness of the following lengths: [7] [2024-08-14 14:16:12,578 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 124 states, 100 states have (on average 1.48) internal successors, (148), 103 states have internal predecessors, (148), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-08-14 14:16:12,666 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 132 states to 18 states. [2024-08-14 14:16:12,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:12,694 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;@175abe56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:12,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:16:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:16:12,701 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:16:12,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:16:12,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:16:12,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:16:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2040486497, now seen corresponding path program 1 times [2024-08-14 14:16:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:16:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267544903] [2024-08-14 14:16:12,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:16:12,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:16:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:12,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:16:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:12,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:16:12,866 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:16:12,867 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:16:12,870 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:16:12,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:16:12,875 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:16:12,879 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:16:12,890 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:16:12 BoogieIcfgContainer [2024-08-14 14:16:12,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:16:12,891 INFO L158 Benchmark]: Toolchain (without parser) took 1594.02ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 85.6MB in the end (delta: 39.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-08-14 14:16:12,892 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:12,892 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:16:12,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.29ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 108.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-14 14:16:12,893 INFO L158 Benchmark]: Boogie Preprocessor took 68.55ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:16:12,893 INFO L158 Benchmark]: IcfgBuilder took 812.01ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 112.2MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-14 14:16:12,894 INFO L158 Benchmark]: TraceAbstraction took 371.05ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 85.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-08-14 14:16:12,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.29ms. Allocated memory is still 165.7MB. Free memory was 124.9MB in the beginning and 108.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.55ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 812.01ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 112.2MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 371.05ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 85.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. 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 < 1.39f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-14 14:16:12,920 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_1+soft_float_2a.c.cil.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-2699826-m [2024-08-14 14:16:15,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:16:15,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-14 14:16:15,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:16:15,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:16:15,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:16:15,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:16:15,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:16:15,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:16:15,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:16:15,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:16:15,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:16:15,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:16:15,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:16:15,282 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:16:15,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:16:15,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:16:15,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:16:15,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:16:15,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:16:15,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:16:15,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 14:16:15,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:16:15,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:16:15,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:16:15,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:16:15,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:16:15,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:16:15,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:16:15,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:16:15,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:16:15,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:16:15,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:16:15,294 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 14:16:15,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 14:16:15,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:16:15,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:16:15,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:16:15,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:16:15,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:16:15,297 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-14 14:16:15,298 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:16:15,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:16:15,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:16:15,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:16:15,631 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:16:15,632 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:16:15,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml [2024-08-14 14:16:15,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:16:15,692 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:16:15,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:17,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:16:17,507 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:16:17,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:17,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6baeed282/fa0d5e831cf04bb1b72a2fa80d4e1e60/FLAGac5afa8e7 [2024-08-14 14:16:17,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6baeed282/fa0d5e831cf04bb1b72a2fa80d4e1e60 [2024-08-14 14:16:17,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:16:17,867 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:16:17,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:17,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:16:17,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:16:17,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:15" (1/2) ... [2024-08-14 14:16:17,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f209d8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:17, skipping insertion in model container [2024-08-14 14:16:17,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:15" (1/2) ... [2024-08-14 14:16:17,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fec3d0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:16:17, skipping insertion in model container [2024-08-14 14:16:17,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:17" (2/2) ... [2024-08-14 14:16:17,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:17, skipping insertion in model container [2024-08-14 14:16:17,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:16:17" (2/2) ... [2024-08-14 14:16:17,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:16:18,112 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[1996,2009] [2024-08-14 14:16:18,125 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[2365,2378] [2024-08-14 14:16:18,183 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:18,198 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:16:18,216 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[1996,2009] [2024-08-14 14:16:18,219 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c[2365,2378] [2024-08-14 14:16:18,252 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:16:18,274 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:16:18,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18 WrapperNode [2024-08-14 14:16:18,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:16:18,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:16:18,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:16:18,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:16:18,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,342 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-14 14:16:18,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:16:18,372 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:16:18,372 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:16:18,373 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:16:18,373 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (1/1) ... [2024-08-14 14:16:18,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:16:18,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:16:18,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-14 14:16:18,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-14 14:16:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:16:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-14 14:16:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:16:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-14 14:16:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:16:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:16:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-14 14:16:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:16:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-14 14:16:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-14 14:16:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-14 14:16:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:16:18,604 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:16:18,607 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:16:31,212 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-08-14 14:16:31,212 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:16:31,227 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:16:31,227 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:16:31,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:31 BoogieIcfgContainer [2024-08-14 14:16:31,228 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:16:31,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:16:31,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:16:31,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:16:31,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:16:15" (1/4) ... [2024-08-14 14:16:31,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6da8e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:16:31, skipping insertion in model container [2024-08-14 14:16:31,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:16:17" (2/4) ... [2024-08-14 14:16:31,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6da8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:31, skipping insertion in model container [2024-08-14 14:16:31,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:18" (3/4) ... [2024-08-14 14:16:31,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6da8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:16:31, skipping insertion in model container [2024-08-14 14:16:31,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:16:31" (4/4) ... [2024-08-14 14:16:31,239 INFO L119 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_2a.c.cil.c [2024-08-14 14:16:31,239 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:16:31,268 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:16:31,269 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 14:16:31,300 INFO L92 WitnessUtils]: Constructing product of automaton with 98 states and violation witness of the following lengths: [7] [2024-08-14 14:16:31,304 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 98 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 78 states have internal predecessors, (105), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-08-14 14:16:31,374 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 111 states to 18 states. [2024-08-14 14:16:31,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:16:31,397 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;@7ee0e54e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:16:31,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 14:16:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2024-08-14 14:16:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-14 14:16:31,403 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:16:31,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:16:31,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:16:31,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:16:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1966723052, now seen corresponding path program 1 times [2024-08-14 14:16:31,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 14:16:31,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440431495] [2024-08-14 14:16:31,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:16:31,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:16:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-14 14:16:31,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 14:16:31,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-14 14:16:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:16:42,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:18:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:18:53,691 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-14 14:18:53,693 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:18:53,694 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 14:18:53,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-14 14:18:53,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-08-14 14:18:53,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 14:18:53,900 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:18:53,904 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:18:53,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:18:53 BoogieIcfgContainer [2024-08-14 14:18:53,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:18:53,922 INFO L158 Benchmark]: Toolchain (without parser) took 156054.49ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 32.1MB in the end (delta: 378.5kB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-08-14 14:18:53,922 INFO L158 Benchmark]: Witness Parser took 1.01ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.7MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:18:53,923 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 44.0MB. Free memory was 19.4MB in the beginning and 19.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:18:53,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.74ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 30.6MB in the end (delta: 1.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-08-14 14:18:53,923 INFO L158 Benchmark]: Boogie Preprocessor took 96.05ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 27.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-14 14:18:53,924 INFO L158 Benchmark]: IcfgBuilder took 12857.44ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 27.5MB in the beginning and 34.5MB in the end (delta: -6.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-08-14 14:18:53,928 INFO L158 Benchmark]: TraceAbstraction took 142688.80ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 32.1MB in the end (delta: 1.7MB). Peak memory consumption was 981.0kB. Max. memory is 16.1GB. [2024-08-14 14:18:53,931 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 1.01ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.7MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.03ms. Allocated memory is still 44.0MB. Free memory was 19.4MB in the beginning and 19.4MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.74ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 30.6MB in the end (delta: 1.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.05ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 27.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 12857.44ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 27.5MB in the beginning and 34.5MB in the end (delta: -6.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 142688.80ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 32.1MB in the end (delta: 1.7MB). Peak memory consumption was 981.0kB. 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=0.9999998807907104] [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [result=1.3984375] [L47] COND TRUE !(result >= 0.0f && result < 1.39f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 112 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 142.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-14 14:18:54,002 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