./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/simple_3-1.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/loop-acceleration/simple_3-1.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/simple_3-1.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 -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 17:19:32,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-06 17:19:32,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-06 17:19:32,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-06 17:19:32,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-06 17:19:32,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-06 17:19:32,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-06 17:19:32,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-06 17:19:32,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-06 17:19:32,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-06 17:19:32,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-06 17:19:32,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-06 17:19:32,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-06 17:19:32,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-06 17:19:32,768 INFO L153 SettingsManager]: * Use SBE=true [2024-08-06 17:19:32,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-06 17:19:32,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-06 17:19:32,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-06 17:19:32,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-06 17:19:32,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-06 17:19:32,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-06 17:19:32,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-06 17:19:32,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-06 17:19:32,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-06 17:19:32,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-06 17:19:32,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-06 17:19:32,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-06 17:19:32,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-06 17:19:32,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-06 17:19:32,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-06 17:19:32,776 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-06 17:19:32,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-06 17:19:32,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:32,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-06 17:19:32,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-06 17:19:32,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-06 17:19:32,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-06 17:19:32,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-06 17:19:32,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-06 17:19:32,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-06 17:19:32,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-06 17:19:32,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-06 17:19:32,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-06 17:19:32,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-06 17:19:33,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-06 17:19:33,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-06 17:19:33,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-06 17:19:33,052 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-06 17:19:33,053 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-06 17:19:33,054 INFO L431 ainManager$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/simple_3-1.yml/witness.yml [2024-08-06 17:19:33,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-06 17:19:33,150 INFO L274 PluginConnector]: CDTParser initialized [2024-08-06 17:19:33,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2024-08-06 17:19:34,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-06 17:19:34,748 INFO L384 CDTParser]: Found 1 translation units. [2024-08-06 17:19:34,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2024-08-06 17:19:34,755 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b737d1b83/6f8e681d59f945dbb0ae95996fa4dec1/FLAG9795f9b25 [2024-08-06 17:19:34,767 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b737d1b83/6f8e681d59f945dbb0ae95996fa4dec1 [2024-08-06 17:19:34,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-06 17:19:34,772 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-06 17:19:34,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:34,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-06 17:19:34,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-06 17:19:34,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:33" (1/2) ... [2024-08-06 17:19:34,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c50a5cf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:34, skipping insertion in model container [2024-08-06 17:19:34,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:33" (1/2) ... [2024-08-06 17:19:34,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4338a887 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 06.08 05:19:34, skipping insertion in model container [2024-08-06 17:19:34,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:34" (2/2) ... [2024-08-06 17:19:34,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c50a5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34, skipping insertion in model container [2024-08-06 17:19:34,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 05:19:34" (2/2) ... [2024-08-06 17:19:34,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-06 17:19:34,933 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c[376,389] [2024-08-06 17:19:34,948 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:34,956 INFO L200 MainTranslator]: Completed pre-run [2024-08-06 17:19:34,967 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c[376,389] [2024-08-06 17:19:34,970 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-06 17:19:34,987 INFO L204 MainTranslator]: Completed translation [2024-08-06 17:19:34,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34 WrapperNode [2024-08-06 17:19:34,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-06 17:19:34,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:34,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-06 17:19:34,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-06 17:19:34,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,035 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-08-06 17:19:35,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-06 17:19:35,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-06 17:19:35,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-06 17:19:35,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-06 17:19:35,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,076 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]. [2024-08-06 17:19:35,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-06 17:19:35,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-06 17:19:35,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-06 17:19:35,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-06 17:19:35,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (1/1) ... [2024-08-06 17:19:35,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-06 17:19:35,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-06 17:19:35,132 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 17:19:35,142 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 17:19:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-06 17:19:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-06 17:19:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-06 17:19:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-06 17:19:35,265 INFO L244 CfgBuilder]: Building ICFG [2024-08-06 17:19:35,267 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-06 17:19:35,349 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-08-06 17:19:35,350 INFO L293 CfgBuilder]: Performing block encoding [2024-08-06 17:19:35,366 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-06 17:19:35,367 INFO L320 CfgBuilder]: Removed 1 assume(true) statements. [2024-08-06 17:19:35,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:35 BoogieIcfgContainer [2024-08-06 17:19:35,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-06 17:19:35,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-06 17:19:35,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-06 17:19:35,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-06 17:19:35,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 06.08 05:19:33" (1/4) ... [2024-08-06 17:19:35,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52376bda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 06.08 05:19:35, skipping insertion in model container [2024-08-06 17:19:35,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 05:19:34" (2/4) ... [2024-08-06 17:19:35,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52376bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:35, skipping insertion in model container [2024-08-06 17:19:35,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 05:19:34" (3/4) ... [2024-08-06 17:19:35,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52376bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 05:19:35, skipping insertion in model container [2024-08-06 17:19:35,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 05:19:35" (4/4) ... [2024-08-06 17:19:35,375 INFO L119 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2024-08-06 17:19:35,375 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-06 17:19:35,393 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-06 17:19:35,393 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-06 17:19:35,426 WARN L283 nessProductAutomaton]: assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;, isNegated false [2024-08-06 17:19:35,428 WARN L283 nessProductAutomaton]: assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);, isNegated true [2024-08-06 17:19:35,429 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:35,430 WARN L283 nessProductAutomaton]: assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;, isNegated false [2024-08-06 17:19:35,430 WARN L283 nessProductAutomaton]: assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);, isNegated true [2024-08-06 17:19:35,430 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:35,435 INFO L90 WitnessUtils]: FiniteAutomaton nwa = ( alphabet = {"assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;" "assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 <= 2147483647 then main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 else main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 - 4294967296);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#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(13, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~x~0#1, main_~N~0#1;main_~x~0#1 := 0;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;#t~ret5#1 := main_#res#1;havoc main_#t~nondet4#1, main_~x~0#1, main_~N~0#1;assume { :end_inline_main } true;assume true;" "assume 0 == __VERIFIER_assert_~cond#1;" "assume !false;" "assume false;assume false;" "assume !(0 == __VERIFIER_assert_~cond#1);" "assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);" "assume !true;" }, states = {"CountingPredicate [underlying: 5#$Ultimate##0true, annotation: [0, 0]]" "CountingPredicate [underlying: 9#L17-4true, annotation: [1, 0]]" "CountingPredicate [underlying: 8#L8true, annotation: [1, 0]]" "CountingPredicate [underlying: 4#L7-2true, annotation: [1, 0]]" "CountingPredicate [underlying: 7#L7true, annotation: [1, 0]]" "CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]" "CountingPredicate [underlying: 3#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]" }, initialStates = {"CountingPredicate [underlying: 5#$Ultimate##0true, annotation: [0, 0]]" }, finalStates = {}, transitions = { ("CountingPredicate [underlying: 5#$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(13, 2);call #Ultimate.allocInit(12, 3);assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_~x~0#1, main_~N~0#1;main_~x~0#1 := 0;havoc main_#t~nondet4#1;main_~N~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 9#L17-4true, annotation: [1, 0]]" "assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 <= 2147483647 then main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 else main_~x~0#1 % 4294967296 % 2 % 4294967296 % 4294967296 - 4294967296);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "CountingPredicate [underlying: 7#L7true, annotation: [1, 0]]") ("CountingPredicate [underlying: 8#L8true, annotation: [1, 0]]" "assume !false;" "CountingPredicate [underlying: 3#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 8#L8true, annotation: [1, 0]]" "assume false;assume false;" "CountingPredicate [underlying: 4#L7-2true, annotation: [1, 0]]") ("CountingPredicate [underlying: 4#L7-2true, annotation: [1, 0]]" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;#t~ret5#1 := main_#res#1;havoc main_#t~nondet4#1, main_~x~0#1, main_~N~0#1;assume { :end_inline_main } true;assume true;" "CountingPredicate [underlying: 2#ULTIMATE.startEXITtrue, annotation: [1, 0]]") ("CountingPredicate [underlying: 7#L7true, annotation: [1, 0]]" "assume 0 == __VERIFIER_assert_~cond#1;" "CountingPredicate [underlying: 8#L8true, annotation: [1, 0]]") ("CountingPredicate [underlying: 7#L7true, annotation: [1, 0]]" "assume !(0 == __VERIFIER_assert_~cond#1);" "CountingPredicate [underlying: 4#L7-2true, annotation: [1, 0]]") ("CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]" "assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;" "CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]") ("CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]" "assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);" "CountingPredicate [underlying: 9#L17-4true, annotation: [1, 0]]") ("CountingPredicate [underlying: 6#L17-3true, annotation: [0, 0]]" "assume !true;" "CountingPredicate [underlying: 9#L17-4true, annotation: [1, 0]]") } ); [2024-08-06 17:19:35,438 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 17:19:35,439 WARN L283 nessProductAutomaton]: assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;, isNegated false [2024-08-06 17:19:35,439 WARN L283 nessProductAutomaton]: assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);, isNegated true [2024-08-06 17:19:35,439 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:35,440 WARN L283 nessProductAutomaton]: assume main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296;main_~x~0#1 := 2 + main_~x~0#1;, isNegated false [2024-08-06 17:19:35,440 WARN L283 nessProductAutomaton]: assume !(main_~x~0#1 % 4294967296 < (if main_~N~0#1 % 65536 % 4294967296 <= 2147483647 then main_~N~0#1 % 65536 % 4294967296 else main_~N~0#1 % 65536 % 4294967296 - 4294967296) % 4294967296);, isNegated true [2024-08-06 17:19:35,440 WARN L283 nessProductAutomaton]: assume !true;, isNegated true [2024-08-06 17:19:35,445 INFO L88 GeneralOperation]: Finished removeDeadEnds. Reduced from 8 states to 0 states. [2024-08-06 17:19:35,458 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-06 17:19:35,464 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;@45dffe68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-06 17:19:35,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-06 17:19:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states. [2024-08-06 17:19:35,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-08-06 17:19:35,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-06 17:19:35,472 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-06 17:19:35,474 INFO L196 ceAbstractionStarter]: Computing trace abstraction results [2024-08-06 17:19:35,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 05:19:35 BoogieIcfgContainer [2024-08-06 17:19:35,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-06 17:19:35,478 INFO L158 Benchmark]: Toolchain (without parser) took 707.40ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 100.4MB in the beginning and 193.0MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:35,478 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 174.1MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:35,479 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-06 17:19:35,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.99ms. Allocated memory is still 174.1MB. Free memory was 100.2MB in the beginning and 89.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-08-06 17:19:35,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.05ms. Allocated memory is still 174.1MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-06 17:19:35,481 INFO L158 Benchmark]: Boogie Preprocessor took 54.78ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 142.5MB in the end (delta: -55.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-08-06 17:19:35,482 INFO L158 Benchmark]: RCFGBuilder took 274.44ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 142.5MB in the beginning and 202.4MB in the end (delta: -59.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-06 17:19:35,483 INFO L158 Benchmark]: TraceAbstraction took 107.58ms. Allocated memory is still 237.0MB. Free memory was 201.4MB in the beginning and 193.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-08-06 17:19:35,484 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 0.16ms. Allocated memory is still 174.1MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 174.1MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.99ms. Allocated memory is still 174.1MB. Free memory was 100.2MB in the beginning and 89.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.05ms. Allocated memory is still 174.1MB. Free memory was 88.9MB in the beginning and 87.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.78ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 142.5MB in the end (delta: -55.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 274.44ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 142.5MB in the beginning and 202.4MB in the end (delta: -59.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 107.58ms. Allocated memory is still 237.0MB. Free memory was 201.4MB in the beginning and 193.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 8]: 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 17:19:35,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE