./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/test08.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test08.yml/witness.yml -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bf1304be 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/ldv-regression/test08.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/test08.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 -tc ../../../trunk/examples/toolchains/AutomizerC_IcfgBuilder.xml -s ../../../trunk/examples/settings/svcomp-Reach-32bit-Automizer_IcfgBuilder.epf --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-bf1304b-m [2024-08-06 17:18:32,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:18:32,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:18:32,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:18:32,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:18:32,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:18:32,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:18:32,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:18:32,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:18:32,488 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:18:32,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:18:32,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:18:32,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:18:32,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:18:32,492 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:18:32,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:18:32,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:18:32,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:18:32,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:18:32,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:18:32,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:18:32,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:18:32,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:18:32,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:18:32,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:18:32,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:18:32,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:18:32,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:18:32,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:18:32,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:18:32,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:18:32,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:18:32,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:18:32,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:18:32,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:18:32,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:18:32,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:18:32,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:18:32,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:18:32,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:18:32,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:18:32,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:18:32,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:18:32,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:18:32,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:18:32,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:18:32,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:18:32,816 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:18:32,817 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:18:32,818 INFO L431 ainManager$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/test08.yml/witness.yml [2024-08-06 17:18:32,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:18:32,929 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:18:32,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test08.c [2024-08-06 17:18:34,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:18:34,685 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:18:34,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test08.c [2024-08-06 17:18:34,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82be23475/94101727824f4012a0e63f08becad25f/FLAG4311f3f90 [2024-08-06 17:18:34,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82be23475/94101727824f4012a0e63f08becad25f [2024-08-06 17:18:34,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:18:34,711 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:18:34,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:18:34,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:18:34,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:18:34,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:18:32" (1/2) ... [2024-08-06 17:18:34,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d137891 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:18:34, skipping insertion in model container [2024-08-06 17:18:34,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:18:32" (1/2) ... [2024-08-06 17:18:34,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59e90218 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:18:34, skipping insertion in model container [2024-08-06 17:18:34,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:18:34" (2/2) ... [2024-08-06 17:18:34,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d137891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34, skipping insertion in model container [2024-08-06 17:18:34,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:18:34" (2/2) ... [2024-08-06 17:18:34,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:18:34,897 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test08.c[578,591] [2024-08-06 17:18:34,902 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:18:34,919 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:18:34,935 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test08.c[578,591] [2024-08-06 17:18:34,937 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:18:34,956 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:18:34,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34 WrapperNode [2024-08-06 17:18:34,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:18:34,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:18:34,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:18:34,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:18:34,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:34,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,017 INFO L138 Inliner]: procedures = 12, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-08-06 17:18:35,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:18:35,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:18:35,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:18:35,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:18:35,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,055 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2]. The 4 writes are split as follows [0, 4]. [2024-08-06 17:18:35,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:18:35,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:18:35,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:18:35,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:18:35,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (1/1) ... [2024-08-06 17:18:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:18:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:18:35,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-08-06 17:18:35,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:18:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-06 17:18:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-06 17:18:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:18:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-06 17:18:35,213 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:18:35,215 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:18:35,327 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-08-06 17:18:35,327 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:18:35,362 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:18:35,363 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-06 17:18:35,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:18:35 BoogieIcfgContainer [2024-08-06 17:18:35,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:18:35,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:18:35,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:18:35,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:18:35,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:18:32" (1/4) ... [2024-08-06 17:18:35,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3da31f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:18:35, skipping insertion in model container [2024-08-06 17:18:35,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:18:34" (2/4) ... [2024-08-06 17:18:35,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3da31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:18:35, skipping insertion in model container [2024-08-06 17:18:35,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:18:34" (3/4) ... [2024-08-06 17:18:35,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3da31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:18:35, skipping insertion in model container [2024-08-06 17:18:35,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:18:35" (4/4) ... [2024-08-06 17:18:35,374 INFO L119 eAbstractionObserver]: Analyzing ICFG test08.c [2024-08-06 17:18:35,375 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:18:35,395 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:18:35,395 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:18:35,447 INFO L90 WitnessUtils]: FiniteAutomaton nwa = ( alphabet = {"assume !false;" "assume false;assume false;main_#res#1 := 1;" "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);~#a~0.base, ~#a~0.offset := 4, 0;call write~init~int#1(0, ~#a~0.base, ~#a~0.offset, 4);call #Ultimate.allocInit(4, 5);~#b~0.base, ~#b~0.offset := 5, 0;call write~init~int#1(0, ~#b~0.base, ~#b~0.offset, 4);~p1~0.base, ~p1~0.offset := 0, 0;~p2~0.base, ~p2~0.offset := 0, 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem7#1, main_#t~post8#1, main_#t~ret9#1, main_#t~mem10#1;~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset;~p2~0.base, ~p2~0.offset := ~#b~0.base, ~#b~0.offset;call write~int#1(1, ~#b~0.base, ~#b~0.offset, 4);call write~int#1(5, ~#a~0.base, ~#a~0.offset, 4);call main_#t~mem7#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, ~#a~0.base, ~#a~0.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;assume { :begin_inline_f } true;havoc f_#res#1;havoc f_#t~mem4#1, f_#t~mem5#1, f_#t~mem6#1, f_~v~0#1;call f_#t~mem4#1 := read~int#1(~p1~0.base, ~p1~0.offset, 4);call f_#t~mem5#1 := read~int#1(~p2~0.base, ~p2~0.offset, 4);call f_#t~mem6#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);f_~v~0#1 := f_#t~mem4#1 + f_#t~mem5#1 - f_#t~mem6#1;havoc f_#t~mem4#1;havoc f_#t~mem5#1;havoc f_#t~mem6#1;" "assume 1 == f_~v~0#1;~p1~0.base, ~p1~0.offset := ~p2~0.base, ~p2~0.offset;f_#res#1 := f_~v~0#1;" "#t~ret11#1 := main_#res#1;havoc main_#t~mem7#1, main_#t~post8#1, main_#t~ret9#1, main_#t~mem10#1;assume { :end_inline_main } true;assume true;" "assume !(1 == f_~v~0#1);f_#res#1 := 0;" "main_#t~ret9#1 := f_#res#1;havoc f_#t~mem4#1, f_#t~mem5#1, f_#t~mem6#1, f_~v~0#1;assume { :end_inline_f } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;call write~int#1(main_#t~ret9#1, ~#a~0.base, ~#a~0.offset, 4);havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);" "assume 0 != main_#t~mem10#1 && ~p1~0.base == ~p2~0.base && ~p1~0.offset == ~p2~0.offset;havoc main_#t~mem10#1;" "assume !(0 != main_#t~mem10#1 && ~p1~0.base == ~p2~0.base && ~p1~0.offset == ~p2~0.offset);havoc main_#t~mem10#1;main_#res#1 := 0;" }, states = {"CountingPredicate [underlying: 5#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 4#main_returnLabel#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 9#L11true, annotation: [0, 0]]" "CountingPredicate [underlying: 8#L31true, annotation: [0, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]" "CountingPredicate [underlying: 3#f_returnLabel#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 7#main_ERROR#1true, annotation: [0, 0]]" "CountingPredicate [underlying: 6#$Ultimate##0true, annotation: [0, 0]]" }, initialStates = {"CountingPredicate [underlying: 6#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, transitions = { ("CountingPredicate [underlying: 4#main_returnLabel#1true, annotation: [0, 0]]" "#t~ret11#1 := main_#res#1;havoc main_#t~mem7#1, main_#t~post8#1, main_#t~ret9#1, main_#t~mem10#1;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 9#L11true, annotation: [0, 0]]" "assume 1 == f_~v~0#1;~p1~0.base, ~p1~0.offset := ~p2~0.base, ~p2~0.offset;f_#res#1 := f_~v~0#1;" "CountingPredicate [underlying: 3#f_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 9#L11true, annotation: [0, 0]]" "assume !(1 == f_~v~0#1);f_#res#1 := 0;" "CountingPredicate [underlying: 3#f_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 8#L31true, annotation: [0, 0]]" "assume 0 != main_#t~mem10#1 && ~p1~0.base == ~p2~0.base && ~p1~0.offset == ~p2~0.offset;havoc main_#t~mem10#1;" "CountingPredicate [underlying: 7#main_ERROR#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 8#L31true, annotation: [0, 0]]" "assume !(0 != main_#t~mem10#1 && ~p1~0.base == ~p2~0.base && ~p1~0.offset == ~p2~0.offset);havoc main_#t~mem10#1;main_#res#1 := 0;" "CountingPredicate [underlying: 4#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 3#f_returnLabel#1true, annotation: [0, 0]]" "main_#t~ret9#1 := f_#res#1;havoc f_#t~mem4#1, f_#t~mem5#1, f_#t~mem6#1, f_~v~0#1;assume { :end_inline_f } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;call write~int#1(main_#t~ret9#1, ~#a~0.base, ~#a~0.offset, 4);havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);" "CountingPredicate [underlying: 8#L31true, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#main_ERROR#1true, annotation: [0, 0]]" "assume !false;" "CountingPredicate [underlying: 5#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [0, 0]]") ("CountingPredicate [underlying: 7#main_ERROR#1true, annotation: [0, 0]]" "assume false;assume false;main_#res#1 := 1;" "CountingPredicate [underlying: 4#main_returnLabel#1true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#$Ultimate##0true, annotation: [0, 0]]" "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(4, 4);~#a~0.base, ~#a~0.offset := 4, 0;call write~init~int#1(0, ~#a~0.base, ~#a~0.offset, 4);call #Ultimate.allocInit(4, 5);~#b~0.base, ~#b~0.offset := 5, 0;call write~init~int#1(0, ~#b~0.base, ~#b~0.offset, 4);~p1~0.base, ~p1~0.offset := 0, 0;~p2~0.base, ~p2~0.offset := 0, 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem7#1, main_#t~post8#1, main_#t~ret9#1, main_#t~mem10#1;~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset;~p2~0.base, ~p2~0.offset := ~#b~0.base, ~#b~0.offset;call write~int#1(1, ~#b~0.base, ~#b~0.offset, 4);call write~int#1(5, ~#a~0.base, ~#a~0.offset, 4);call main_#t~mem7#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);main_#t~post8#1 := main_#t~mem7#1;call write~int#1(main_#t~post8#1 - 1, ~#a~0.base, ~#a~0.offset, 4);havoc main_#t~mem7#1;havoc main_#t~post8#1;assume { :begin_inline_f } true;havoc f_#res#1;havoc f_#t~mem4#1, f_#t~mem5#1, f_#t~mem6#1, f_~v~0#1;call f_#t~mem4#1 := read~int#1(~p1~0.base, ~p1~0.offset, 4);call f_#t~mem5#1 := read~int#1(~p2~0.base, ~p2~0.offset, 4);call f_#t~mem6#1 := read~int#1(~#a~0.base, ~#a~0.offset, 4);f_~v~0#1 := f_#t~mem4#1 + f_#t~mem5#1 - f_#t~mem6#1;havoc f_#t~mem4#1;havoc f_#t~mem5#1;havoc f_#t~mem6#1;" "CountingPredicate [underlying: 9#L11true, annotation: [0, 0]]") } ); [2024-08-06 17:18:35,452 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-06 17:18:35,461 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 8 states to 0 states. [2024-08-06 17:18:35,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:18:35,490 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;@65cc95a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:18:35,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:18:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:18:35,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:18:35,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:18:35,501 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:18:35,504 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:18:35,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:18:35 BoogieIcfgContainer [2024-08-06 17:18:35,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:18:35,511 INFO L158 Benchmark]: Toolchain (without parser) took 800.49ms. Allocated memory is still 182.5MB. Free memory was 114.4MB in the beginning and 135.3MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:18:35,512 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:18:35,513 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:18:35,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.82ms. Allocated memory is still 182.5MB. Free memory was 114.1MB in the beginning and 102.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-06 17:18:35,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.28ms. Allocated memory is still 182.5MB. Free memory was 102.9MB in the beginning and 156.8MB in the end (delta: -53.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-08-06 17:18:35,515 INFO L158 Benchmark]: Boogie Preprocessor took 50.87ms. Allocated memory is still 182.5MB. Free memory was 156.8MB in the beginning and 155.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:18:35,516 INFO L158 Benchmark]: RCFGBuilder took 293.74ms. Allocated memory is still 182.5MB. Free memory was 155.0MB in the beginning and 143.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-06 17:18:35,516 INFO L158 Benchmark]: TraceAbstraction took 143.84ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 135.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-06 17:18:35,519 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 0.20ms. Allocated memory is still 104.9MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.82ms. Allocated memory is still 182.5MB. Free memory was 114.1MB in the beginning and 102.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.28ms. Allocated memory is still 182.5MB. Free memory was 102.9MB in the beginning and 156.8MB in the end (delta: -53.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.87ms. Allocated memory is still 182.5MB. Free memory was 156.8MB in the beginning and 155.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.74ms. Allocated memory is still 182.5MB. Free memory was 155.0MB in the beginning and 143.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 143.84ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 135.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-06 17:18:35,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE