./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/loops/sum03-1.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/sum03-1.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/loops/sum03-1.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/sum03-1.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 14:30:21,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:30:21,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:30:21,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:30:21,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:30:22,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:30:22,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:30:22,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:30:22,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:30:22,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:30:22,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:30:22,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:30:22,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:30:22,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:30:22,023 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:30:22,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:30:22,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:30:22,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:30:22,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:30:22,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:30:22,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:30:22,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:30:22,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:30:22,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:30:22,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:30:22,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:30:22,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:30:22,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:30:22,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:30:22,029 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:30:22,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:30:22,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:30:22,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:30:22,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:30:22,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:30:22,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:30:22,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:30:22,248 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:30:22,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-1.i [2024-08-14 14:30:23,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:30:23,622 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:30:23,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-1.i [2024-08-14 14:30:23,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/508e72096/87ab4bed0e4347be83111e6707379ea3/FLAG03e765305 [2024-08-14 14:30:23,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/508e72096/87ab4bed0e4347be83111e6707379ea3 [2024-08-14 14:30:23,640 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:30:23,644 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:30:23,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/sum03-1.yml/witness.yml [2024-08-14 14:30:23,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:30:23,723 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:30:23,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:30:23,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:30:23,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:30:23,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:30:23" (1/2) ... [2024-08-14 14:30:23,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f80796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:23, skipping insertion in model container [2024-08-14 14:30:23,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:30:23" (1/2) ... [2024-08-14 14:30:23,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@100fb034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:30:23, skipping insertion in model container [2024-08-14 14:30:23,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:23" (2/2) ... [2024-08-14 14:30:23,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f80796 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:30:23, skipping insertion in model container [2024-08-14 14:30:23,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:23" (2/2) ... [2024-08-14 14:30:23,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:30:23,863 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-1.i[807,820] [2024-08-14 14:30:23,872 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:30:23,878 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:30:23,887 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-1.i[807,820] [2024-08-14 14:30:23,889 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:30:23,900 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:30:23,900 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:30:23 WrapperNode [2024-08-14 14:30:23,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:30:23,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:30:23,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:30:23,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:30:23,910 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,910 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,914 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,923 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 14:30:23,923 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,923 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,925 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,926 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,926 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:30:23,928 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:30:23,928 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:30:23,928 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:30:23,929 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 02:30:23" (1/1) ... [2024-08-14 14:30:23,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:30:23,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:30:23,954 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 14:30:23,956 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 14:30:23,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:30:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:30:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:30:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-14 14:30:23,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:30:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:30:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:30:23,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-08-14 14:30:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-08-14 14:30:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:30:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:30:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-14 14:30:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-08-14 14:30:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:30:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:30:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:30:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:30:23,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:30:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:30:23,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:30:24,048 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:30:24,050 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:30:24,172 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-08-14 14:30:24,173 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:30:24,179 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:30:24,180 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:30:24,180 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:30:24 BoogieIcfgContainer [2024-08-14 14:30:24,180 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:30:24,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:30:24,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:30:24,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:30:24,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:30:23" (1/4) ... [2024-08-14 14:30:24,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626baaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:30:24, skipping insertion in model container [2024-08-14 14:30:24,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:30:23" (2/4) ... [2024-08-14 14:30:24,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626baaca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:30:24, skipping insertion in model container [2024-08-14 14:30:24,187 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 02:30:23" (3/4) ... [2024-08-14 14:30:24,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626baaca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:30:24, skipping insertion in model container [2024-08-14 14:30:24,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:30:24" (4/4) ... [2024-08-14 14:30:24,190 INFO L119 eAbstractionObserver]: Analyzing ICFG sum03-1.i [2024-08-14 14:30:24,190 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:30:24,205 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:30:24,205 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:30:24,228 INFO L92 WitnessUtils]: Constructing product of automaton with 22 states and violation witness of the following lengths: [44] [2024-08-14 14:30:24,234 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 16 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-08-14 14:30:24,323 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 414 states to 301 states. [2024-08-14 14:30:24,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-14 14:30:24,348 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;@89ff536, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 14:30:24,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-14 14:30:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2024-08-14 14:30:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-08-14 14:30:24,364 INFO L187 NwaCegarLoop]: Found error trace [2024-08-14 14:30:24,365 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-14 14:30:24,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-14 14:30:24,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 14:30:24,370 INFO L85 PathProgramCache]: Analyzing trace with hash 40907114, now seen corresponding path program 1 times [2024-08-14 14:30:24,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 14:30:24,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508188792] [2024-08-14 14:30:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 14:30:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 14:30:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:30:24,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-14 14:30:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-14 14:30:24,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-14 14:30:24,729 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-14 14:30:24,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-14 14:30:24,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 14:30:24,736 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 14:30:24,740 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 14:30:24,772 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 02:30:24 BoogieIcfgContainer [2024-08-14 14:30:24,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 14:30:24,774 INFO L158 Benchmark]: Toolchain (without parser) took 1053.04ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 93.6MB in the end (delta: 43.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-08-14 14:30:24,774 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:30:24,775 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 141.3MB in the beginning and 140.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 14:30:24,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.52ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 125.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:30:24,775 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 14:30:24,776 INFO L158 Benchmark]: IcfgBuilder took 252.34ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 138.7MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-14 14:30:24,777 INFO L158 Benchmark]: TraceAbstraction took 590.01ms. Allocated memory is still 172.0MB. Free memory was 138.7MB in the beginning and 93.6MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-08-14 14:30:24,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 141.3MB in the beginning and 140.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.52ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 125.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 172.0MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 252.34ms. Allocated memory is still 172.0MB. Free memory was 123.8MB in the beginning and 138.7MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 590.01ms. Allocated memory is still 172.0MB. Free memory was 138.7MB in the beginning and 93.6MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] int sn=0; [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L22] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L23] unsigned int x=0; VAL [sn=0, x=0] [L24] COND TRUE 1 VAL [sn=0, x=0] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=2, x=0] [L28] x++ VAL [sn=2, x=1] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=2, x=1] [L24] COND TRUE 1 VAL [sn=2, x=1] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=4, x=1] [L28] x++ VAL [sn=4, x=2] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=4, x=2] [L24] COND TRUE 1 VAL [sn=4, x=2] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=6, x=2] [L28] x++ VAL [sn=6, x=3] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=6, x=3] [L24] COND TRUE 1 VAL [sn=6, x=3] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=8, x=3] [L28] x++ VAL [sn=8, x=4] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=8, x=4] [L24] COND TRUE 1 VAL [sn=8, x=4] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=10, x=4] [L28] x++ VAL [sn=10, x=5] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=10, x=5] [L24] COND TRUE 1 VAL [sn=10, x=5] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=12, x=5] [L28] x++ VAL [sn=12, x=6] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=12, x=6] [L24] COND TRUE 1 VAL [sn=12, x=6] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=14, x=6] [L28] x++ VAL [sn=14, x=7] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=14, x=7] [L24] COND TRUE 1 VAL [sn=14, x=7] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=16, x=7] [L28] x++ VAL [sn=16, x=8] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=16, x=8] [L24] COND TRUE 1 VAL [sn=16, x=8] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=18, x=8] [L28] x++ VAL [sn=18, x=9] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=18, x=9] [L24] COND TRUE 1 VAL [sn=18, x=9] [L25] COND TRUE x<10 [L26] sn = sn + (2) VAL [sn=20, x=9] [L28] x++ VAL [sn=20, x=10] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=1] [L14] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L29] RET __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [sn=20, x=10] [L24] COND TRUE 1 VAL [sn=20, x=10] [L25] COND FALSE !(x<10) VAL [sn=20, x=10] [L28] x++ VAL [sn=20, x=11] [L29] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) VAL [\old(cond)=0] [L14] COND TRUE !(cond) VAL [\old(cond)=0] [L15] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 11, 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=301occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 14:30:24,810 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