./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label31.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem16_label31.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/eca-rers2012/Problem16_label31.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/Problem16_label31.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 14:21:52,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 14:21:52,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-14 14:21:52,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 14:21:52,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 14:21:52,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 14:21:52,342 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 14:21:52,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 14:21:52,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-14 14:21:52,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-14 14:21:52,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 14:21:52,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 14:21:52,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 14:21:52,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 14:21:52,348 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 14:21:52,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 14:21:52,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 14:21:52,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 14:21:52,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 14:21:52,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 14:21:52,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 14:21:52,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 14:21:52,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 14:21:52,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 14:21:52,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 14:21:52,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 14:21:52,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 14:21:52,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 14:21:52,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 14:21:52,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 14:21:52,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 14:21:52,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 14:21:52,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-14 14:21:52,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 14:21:52,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 14:21:52,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 14:21:52,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 14:21:52,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 14:21:52,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 14:21:52,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-14 14:21:52,358 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 14:21:52,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-14 14:21:52,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 14:21:52,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-14 14:21:52,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 14:21:52,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 14:21:52,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 14:21:52,641 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 14:21:52,642 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 14:21:52,643 INFO L431 ainManager$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/Problem16_label31.yml/witness.yml [2024-08-14 14:21:53,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 14:21:53,285 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 14:21:53,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label31.c [2024-08-14 14:21:54,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 14:21:55,182 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 14:21:55,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label31.c [2024-08-14 14:21:55,209 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d5d9c02/e6051728d7ba4a71ac8adec3a3021c2d/FLAG8c6d6aa6e [2024-08-14 14:21:55,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5d5d9c02/e6051728d7ba4a71ac8adec3a3021c2d [2024-08-14 14:21:55,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 14:21:55,230 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-14 14:21:55,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 14:21:55,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 14:21:55,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 14:21:55,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:21:53" (1/2) ... [2024-08-14 14:21:55,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f61c2ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:21:55, skipping insertion in model container [2024-08-14 14:21:55,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:21:53" (1/2) ... [2024-08-14 14:21:55,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69cf60ea and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 14.08 02:21:55, skipping insertion in model container [2024-08-14 14:21:55,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:21:55" (2/2) ... [2024-08-14 14:21:55,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f61c2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:55, skipping insertion in model container [2024-08-14 14:21:55,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:21:55" (2/2) ... [2024-08-14 14:21:55,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-14 14:21:55,507 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label31.c[1200,1213] [2024-08-14 14:21:55,851 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:21:55,869 INFO L200 MainTranslator]: Completed pre-run [2024-08-14 14:21:55,884 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label31.c[1200,1213] [2024-08-14 14:21:56,122 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 14:21:56,142 INFO L204 MainTranslator]: Completed translation [2024-08-14 14:21:56,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56 WrapperNode [2024-08-14 14:21:56,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 14:21:56,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 14:21:56,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 14:21:56,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 14:21:56,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,197 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,319 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 14:21:56,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 14:21:56,426 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-14 14:21:56,426 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-14 14:21:56,426 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-14 14:21:56,427 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (1/1) ... [2024-08-14 14:21:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-14 14:21:56,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-14 14:21:56,460 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 14:21:56,462 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 14:21:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-14 14:21:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 14:21:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-14 14:21:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2024-08-14 14:21:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2024-08-14 14:21:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-14 14:21:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2024-08-14 14:21:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2024-08-14 14:21:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-14 14:21:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-14 14:21:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-14 14:21:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 14:21:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-14 14:21:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-14 14:21:56,587 INFO L273 CfgBuilder]: Building ICFG [2024-08-14 14:21:56,589 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 14:21:58,478 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L1501: havoc #t~ret7; [2024-08-14 14:21:58,584 INFO L? ?]: Removed 269 outVars from TransFormulas that were not future-live. [2024-08-14 14:21:58,584 INFO L327 CfgBuilder]: Performing block encoding [2024-08-14 14:21:58,610 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 14:21:58,611 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 14:21:58,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:21:58 BoogieIcfgContainer [2024-08-14 14:21:58,611 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-14 14:21:58,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 14:21:58,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 14:21:58,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 14:21:58,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 14.08 02:21:53" (1/4) ... [2024-08-14 14:21:58,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f1a642 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 14.08 02:21:58, skipping insertion in model container [2024-08-14 14:21:58,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 02:21:55" (2/4) ... [2024-08-14 14:21:58,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f1a642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:21:58, skipping insertion in model container [2024-08-14 14:21:58,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:21:56" (3/4) ... [2024-08-14 14:21:58,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f1a642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 02:21:58, skipping insertion in model container [2024-08-14 14:21:58,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.08 02:21:58" (4/4) ... [2024-08-14 14:21:58,623 INFO L119 eAbstractionObserver]: Analyzing ICFG Problem16_label31.c [2024-08-14 14:21:58,623 WARN L130 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-14 14:21:58,647 INFO L221 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 14:21:58,648 INFO L180 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 14:21:58,691 INFO L92 WitnessUtils]: Constructing product of automaton with 413 states and violation witness of the following lengths: [3065] [2024-08-14 14:21:58,699 INFO L82 GeneralOperation]: Start removeDeadEnds. Operand has 413 states, 403 states have (on average 1.816377171215881) internal successors, (732), 404 states have internal predecessors, (732), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)