./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 03fe66fa Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_1+soft_float_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-03fe66f-m [2024-08-15 18:08:35,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:08:35,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:08:35,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:08:35,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:08:35,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:08:35,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:08:35,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:08:35,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:08:35,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:08:35,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:08:35,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:08:35,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:08:35,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:08:35,802 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:08:35,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:08:35,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:08:35,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:08:35,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:08:35,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:08:35,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:08:35,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:08:35,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:08:35,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:08:35,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:08:35,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:08:35,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:08:35,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:08:35,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:08:35,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:08:35,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:08:35,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:08:35,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:08:35,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:08:35,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:08:35,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:08:35,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:08:35,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:08:35,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:08:35,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:08:35,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:08:35,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:08:35,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:08:35,816 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:08:36,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:08:36,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:08:36,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:08:36,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:08:36,126 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:08:36,127 INFO L431 ainManager$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 [2024-08-15 18:08:37,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:08:38,061 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:08:38,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-15 18:08:38,069 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708c0f0c3/7449176d12224b45819e1f2d4de49caf/FLAGe962b5ae0 [2024-08-15 18:08:38,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708c0f0c3/7449176d12224b45819e1f2d4de49caf [2024-08-15 18:08:38,087 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:08:38,087 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:08:38,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/square_1+soft_float_2a.c.cil.yml/witness.yml [2024-08-15 18:08:38,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:08:38,135 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:08:38,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:38,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:08:38,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:08:38,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:38" (1/2) ... [2024-08-15 18:08:38,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286b8559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:38" (1/2) ... [2024-08-15 18:08:38,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a3bd264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:38" (2/2) ... [2024-08-15 18:08:38,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286b8559 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38, skipping insertion in model container [2024-08-15 18:08:38,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:38" (2/2) ... [2024-08-15 18:08:38,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:08:38,372 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] [2024-08-15 18:08:38,378 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] [2024-08-15 18:08:38,431 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:38,443 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:08:38,458 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] [2024-08-15 18:08:38,459 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] [2024-08-15 18:08:38,482 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:38,502 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:08:38,502 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38 WrapperNode [2024-08-15 18:08:38,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:38,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:08:38,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:08:38,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:08:38,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,567 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:08:38,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:08:38,602 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:08:38,602 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:08:38,602 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:08:38,603 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (1/1) ... [2024-08-15 18:08:38,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:08:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:08:38,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:08:38,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:08:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:08:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:08:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:08:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:08:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:08:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:08:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:08:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:08:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:08:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:08:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:08:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:08:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:08:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:08:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:08:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:08:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:08:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:08:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:08:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:08:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:08:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:08:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:08:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:08:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:08:38,849 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:08:38,851 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:08:39,502 INFO L? ?]: Removed 87 outVars from TransFormulas that were not future-live. [2024-08-15 18:08:39,502 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:08:39,515 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:08:39,516 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:08:39,516 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:39 BoogieIcfgContainer [2024-08-15 18:08:39,517 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:08:39,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:08:39,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:08:39,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:08:39,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:08:38" (1/4) ... [2024-08-15 18:08:39,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4698029e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:08:39, skipping insertion in model container [2024-08-15 18:08:39,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:38" (2/4) ... [2024-08-15 18:08:39,524 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:08:39,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4698029e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:39, skipping insertion in model container [2024-08-15 18:08:39,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:38" (3/4) ... [2024-08-15 18:08:39,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4698029e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:39, skipping insertion in model container [2024-08-15 18:08:39,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:39" (4/4) ... [2024-08-15 18:08:39,530 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_2a.c.cil.c [2024-08-15 18:08:39,549 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:08:39,550 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:08:39,581 INFO L90 WitnessUtils]: Constructing product of automaton with 124 states and violation witness of the following lengths: [7] [2024-08-15 18:08:39,696 INFO L95 WitnessUtils]: Product has 132 reachable states. [2024-08-15 18:08:39,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:08:39,729 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;@6cf38232, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:08:39,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:08:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2024-08-15 18:08:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:08:39,738 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:08:39,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:08:39,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:08:39,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:08:39,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2040486497, now seen corresponding path program 1 times [2024-08-15 18:08:39,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:08:39,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985997111] [2024-08-15 18:08:39,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:08:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:08:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:39,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:08:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:08:39,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:08:39,926 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:08:39,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:08:39,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:08:39,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:08:39,935 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:08:39,941 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:08:39,955 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:08:39 BoogieIcfgContainer [2024-08-15 18:08:39,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:08:39,956 INFO L158 Benchmark]: Toolchain (without parser) took 1821.22ms. Allocated memory is still 174.1MB. Free memory was 117.0MB in the beginning and 136.3MB in the end (delta: -19.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:39,956 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:39,956 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:39,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.18ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 101.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:08:39,957 INFO L158 Benchmark]: Boogie Preprocessor took 96.32ms. Allocated memory is still 174.1MB. Free memory was 101.4MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:08:39,957 INFO L158 Benchmark]: IcfgBuilder took 914.68ms. Allocated memory is still 174.1MB. Free memory was 98.6MB in the beginning and 69.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-08-15 18:08:39,958 INFO L158 Benchmark]: TraceAbstraction took 436.62ms. Allocated memory is still 174.1MB. Free memory was 68.4MB in the beginning and 136.3MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:08:39,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 174.1MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.18ms. Allocated memory is still 174.1MB. Free memory was 116.6MB in the beginning and 101.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.32ms. Allocated memory is still 174.1MB. Free memory was 101.4MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 914.68ms. Allocated memory is still 174.1MB. Free memory was 98.6MB in the beginning and 69.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 436.62ms. Allocated memory is still 174.1MB. Free memory was 68.4MB in the beginning and 136.3MB in the end (delta: -67.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 0.4s, 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=132occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-08-15 18:08:39,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/combinations/square_1+soft_float_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-03fe66f-m [2024-08-15 18:08:42,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:08:42,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-08-15 18:08:42,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:08:42,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:08:42,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:08:42,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:08:42,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:08:42,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:08:42,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:08:42,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:08:42,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:08:42,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:08:42,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:08:42,957 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:08:42,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:08:42,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:08:42,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:08:42,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:08:42,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:08:42,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:08:42,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:08:42,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:08:42,961 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:08:42,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:08:42,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:08:42,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:08:42,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:08:42,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:08:42,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:08:42,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:08:42,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:08:42,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:08:42,964 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-15 18:08:42,964 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-15 18:08:42,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:08:42,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:08:42,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:08:42,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:08:42,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:08:42,966 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-08-15 18:08:42,966 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:08:43,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:08:43,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:08:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:08:43,289 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:08:43,294 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:08:43,296 INFO L431 ainManager$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 [2024-08-15 18:08:43,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:08:43,357 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:08:43,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-15 18:08:44,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:08:45,244 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:08:45,245 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_1+soft_float_2a.c.cil.c [2024-08-15 18:08:45,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b147e3872/485774d0e17c49578920d946e9e7618c/FLAG8311b895f [2024-08-15 18:08:45,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b147e3872/485774d0e17c49578920d946e9e7618c [2024-08-15 18:08:45,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:08:45,283 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:08:45,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:45,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:08:45,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:08:45,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (1/2) ... [2024-08-15 18:08:45,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222b7740 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:45, skipping insertion in model container [2024-08-15 18:08:45,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (1/2) ... [2024-08-15 18:08:45,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1defc0ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:08:45, skipping insertion in model container [2024-08-15 18:08:45,297 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:45" (2/2) ... [2024-08-15 18:08:45,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222b7740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45, skipping insertion in model container [2024-08-15 18:08:45,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:08:45" (2/2) ... [2024-08-15 18:08:45,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:08:45,528 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] [2024-08-15 18:08:45,537 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] [2024-08-15 18:08:45,603 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:45,619 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:08:45,639 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] [2024-08-15 18:08:45,642 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] [2024-08-15 18:08:45,700 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:08:45,728 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:08:45,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45 WrapperNode [2024-08-15 18:08:45,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:08:45,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:08:45,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:08:45,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:08:45,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,788 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-08-15 18:08:45,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:08:45,821 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:08:45,822 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:08:45,822 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:08:45,822 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (1/1) ... [2024-08-15 18:08:45,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:08:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:08:45,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:08:45,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:08:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:08:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:08:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main1 [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-08-15 18:08:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-08-15 18:08:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mulflt [2024-08-15 18:08:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main2 [2024-08-15 18:08:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:08:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-15 18:08:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-08-15 18:08:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:08:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2024-08-15 18:08:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-08-15 18:08:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-08-15 18:08:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:08:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:08:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:08:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-15 18:08:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-15 18:08:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:08:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:08:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:08:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure main1 [2024-08-15 18:08:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:08:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-08-15 18:08:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-08-15 18:08:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure mulflt [2024-08-15 18:08:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure main2 [2024-08-15 18:08:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:08:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:08:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-08-15 18:08:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:08:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-08-15 18:08:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-08-15 18:08:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-08-15 18:08:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:08:46,108 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:08:46,112 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:08:58,777 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-08-15 18:08:58,778 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:08:58,789 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:08:58,790 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:08:58,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:58 BoogieIcfgContainer [2024-08-15 18:08:58,790 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:08:58,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:08:58,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:08:58,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:08:58,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:08:43" (1/4) ... [2024-08-15 18:08:58,798 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:08:58,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512679ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:08:58, skipping insertion in model container [2024-08-15 18:08:58,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:08:45" (2/4) ... [2024-08-15 18:08:58,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512679ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:08:58, skipping insertion in model container [2024-08-15 18:08:58,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:08:45" (3/4) ... [2024-08-15 18:08:58,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512679ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:08:58, skipping insertion in model container [2024-08-15 18:08:58,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:08:58" (4/4) ... [2024-08-15 18:08:58,805 INFO L128 eAbstractionObserver]: Analyzing ICFG square_1+soft_float_2a.c.cil.c [2024-08-15 18:08:58,823 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:08:58,824 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-15 18:08:58,851 INFO L90 WitnessUtils]: Constructing product of automaton with 98 states and violation witness of the following lengths: [7] [2024-08-15 18:08:58,942 INFO L95 WitnessUtils]: Product has 111 reachable states. [2024-08-15 18:08:58,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:08:58,974 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;@13a3f519, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:08:58,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-15 18:08:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 137 transitions. [2024-08-15 18:08:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-08-15 18:08:58,985 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:08:58,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:08:58,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting main1Err0ASSERT_VIOLATIONERROR_FUNCTION === [main1Err0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:08:58,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:08:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1966723052, now seen corresponding path program 1 times [2024-08-15 18:08:59,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-15 18:08:59,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085559393] [2024-08-15 18:08:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:08:59,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-15 18:08:59,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-08-15 18:08:59,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-15 18:08:59,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-08-15 18:09:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:09:20,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:12:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:12:31,419 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-08-15 18:12:31,420 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:12:31,421 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location main1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-15 18:12:31,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-08-15 18:12:31,457 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 18:12:31,626 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 18:12:31,631 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:12:31,639 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:12:31,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:12:31 BoogieIcfgContainer [2024-08-15 18:12:31,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:12:31,653 INFO L158 Benchmark]: Toolchain (without parser) took 226370.52ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 41.4MB in the beginning and 47.0MB in the end (delta: -5.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-08-15 18:12:31,654 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:12:31,654 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:12:31,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.43ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 69.9MB in the end (delta: -28.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-15 18:12:31,655 INFO L158 Benchmark]: Boogie Preprocessor took 88.84ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 66.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:12:31,655 INFO L158 Benchmark]: IcfgBuilder took 12969.14ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 69.2MB in the end (delta: -2.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-08-15 18:12:31,655 INFO L158 Benchmark]: TraceAbstraction took 212859.86ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 47.0MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-15 18:12:31,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.43ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 41.3MB in the beginning and 69.9MB in the end (delta: -28.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.84ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 66.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 12969.14ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 69.2MB in the end (delta: -2.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 212859.86ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 47.0MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 48]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [\old(cond)=1] [L34] COND FALSE !(!cond) VAL [\old(cond)=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) VAL [IN=0.9999998807907104] [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: 212.8s, 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=111occurred 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, 21.0s 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 proved your program to be incorrect! [2024-08-15 18:12:31,720 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