./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:46,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:46,344 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:46,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:46,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:46,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:46,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:46,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:46,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:46,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:46,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:46,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:46,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:46,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:46,377 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:46,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:46,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:46,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:46,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:46,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:46,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:46,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:46,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:46,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:46,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:46,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:46,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:46,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:46,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:46,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:46,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:46,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:46,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:46,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:46,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:46,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:46,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:46,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:46,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:46,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:46,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:46,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:46,389 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:46,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:46,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:46,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:46,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:46,593 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:46,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-12 16:48:47,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:47,954 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:47,954 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-12 16:48:47,965 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/92040cc5c/ef243aff9f264f12941c69ec876dbff2/FLAGd5afb5744 [2024-09-12 16:48:47,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/92040cc5c/ef243aff9f264f12941c69ec876dbff2 [2024-09-12 16:48:47,978 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:47,979 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:47,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-12 16:48:48,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:48,017 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:48,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:48,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:48,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:48,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:47" (1/2) ... [2024-09-12 16:48:48,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82ec01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:47" (1/2) ... [2024-09-12 16:48:48,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50645db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:48" (2/2) ... [2024-09-12 16:48:48,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82ec01a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:48" (2/2) ... [2024-09-12 16:48:48,032 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:48,033 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-12 16:48:48,034 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:48:48,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:48,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] [2024-09-12 16:48:48,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:48,180 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:48,213 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-12 16:48:48,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:48,233 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:48,233 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48 WrapperNode [2024-09-12 16:48:48,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:48,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:48,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:48,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:48,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,262 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 16:48:48,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:48,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:48,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:48,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:48,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (1/1) ... [2024-09-12 16:48:48,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:48,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:48,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:48:48,303 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:48:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:48,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:48:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:48,396 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:48,397 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:48,514 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:48,546 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:48,552 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:48,586 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:48,586 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:48:48,587 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:48 BoogieIcfgContainer [2024-09-12 16:48:48,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:48,587 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:48,588 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:48,588 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:48,588 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:47" (1/4) ... [2024-09-12 16:48:48,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297962dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:48" (2/4) ... [2024-09-12 16:48:48,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297962dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:48" (3/4) ... [2024-09-12 16:48:48,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297962dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:48, skipping insertion in model container [2024-09-12 16:48:48,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:48" (4/4) ... [2024-09-12 16:48:48,590 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-12 16:48:48,593 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:48:48,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:48:48,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-12 16:48:48,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 16:48:48,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:48,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:48,594 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:48,642 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:48:48,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:48,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:48,645 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:48,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:48,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,677 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-12 16:48:48,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:48,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:48,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:48,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:48,708 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:48,728 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:48:48,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:48,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:48,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:48,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:48,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,730 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:48:48,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,730 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:48,731 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:48,731 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:48,731 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:48,736 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:48,752 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-12 16:48:48,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:48,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:48,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:48,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:48,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,809 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-12 16:48:48,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:48,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:48,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:48,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:48,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:52,830 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:48:52,847 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:52,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:52,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:52,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:52,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:52,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,850 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:48:52,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:52,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:52,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:52,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:52,852 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:48:52,858 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:48:52,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:52,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:52,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:52,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:52,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,860 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:48:52,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:52,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:52,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:52,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:52,860 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:52,861 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:48:52,864 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:48:52,864 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297962dd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:48:52, skipping insertion in model container [2024-09-12 16:48:52,864 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:48:52,866 INFO L158 Benchmark]: Toolchain (without parser) took 4847.85ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 65.7MB in the beginning and 125.4MB in the end (delta: -59.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,866 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory was 100.5MB in the beginning and 100.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:52,866 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 138.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:52,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.56ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 65.7MB in the beginning and 174.7MB in the end (delta: -109.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,867 INFO L158 Benchmark]: Boogie Preprocessor took 41.78ms. Allocated memory is still 205.5MB. Free memory was 174.7MB in the beginning and 172.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,867 INFO L158 Benchmark]: RCFGBuilder took 310.92ms. Allocated memory is still 205.5MB. Free memory was 172.6MB in the beginning and 155.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,868 INFO L158 Benchmark]: Referee took 4277.12ms. Allocated memory is still 205.5MB. Free memory was 155.9MB in the beginning and 125.4MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-12 16:48:52,870 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory was 100.5MB in the beginning and 100.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 138.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.56ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 65.7MB in the beginning and 174.7MB in the end (delta: -109.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.78ms. Allocated memory is still 205.5MB. Free memory was 174.7MB in the beginning and 172.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.92ms. Allocated memory is still 205.5MB. Free memory was 172.6MB in the beginning and 155.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4277.12ms. Allocated memory is still 205.5MB. Free memory was 155.9MB in the beginning and 125.4MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:52,893 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:54,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:54,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:54,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:54,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:54,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:54,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:54,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:54,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:54,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:54,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:54,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:54,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:54,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:54,684 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:54,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:54,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:54,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:54,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:54,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:54,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:54,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:54,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:54,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:54,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:54,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:54,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:54,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:54,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:54,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:54,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:54,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:54,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:54,690 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:54,690 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:54,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:54,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:54,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:54,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:54,691 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:54,692 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:54,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:54,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:54,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:54,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:54,952 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:54,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-12 16:48:56,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:56,342 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:56,342 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-12 16:48:56,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/849673b27/281ced24279649d2a388ae71c4bae991/FLAG37933073d [2024-09-12 16:48:56,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/849673b27/281ced24279649d2a388ae71c4bae991 [2024-09-12 16:48:56,770 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:56,771 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:56,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-12 16:48:56,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:56,814 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:56,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:56,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:56,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:56,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:56" (1/2) ... [2024-09-12 16:48:56,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ba582b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:56" (1/2) ... [2024-09-12 16:48:56,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ec0e080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:56" (2/2) ... [2024-09-12 16:48:56,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ba582b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:56, skipping insertion in model container [2024-09-12 16:48:56,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:56" (2/2) ... [2024-09-12 16:48:56,843 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:56,843 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((x < (((4294967296 * (x / 4294967296)) + 1) + ((((-4294967296 * (x / 4294967296)) + x) / 3) * 3))) || (y == 1)) [2024-09-12 16:48:56,843 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:48:56,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:56,978 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] [2024-09-12 16:48:56,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:57,004 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:48:57,033 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c[394,407] Start Parsing Local [2024-09-12 16:48:57,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:57,060 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:57,061 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57 WrapperNode [2024-09-12 16:48:57,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:57,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:57,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:57,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:57,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,091 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 16:48:57,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:57,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:57,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:57,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:57,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (1/1) ... [2024-09-12 16:48:57,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:57,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:48:57,145 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:48:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:48:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:48:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:48:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:48:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:57,258 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:57,260 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:57,408 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:48:57,433 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:57,434 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:57,471 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:57,475 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:48:57,475 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:57 BoogieIcfgContainer [2024-09-12 16:48:57,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:57,475 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:57,476 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:57,476 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:57,476 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:56" (1/4) ... [2024-09-12 16:48:57,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f4e94f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,477 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:56" (2/4) ... [2024-09-12 16:48:57,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f4e94f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,477 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:57" (3/4) ... [2024-09-12 16:48:57,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f4e94f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:57, skipping insertion in model container [2024-09-12 16:48:57,477 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:57" (4/4) ... [2024-09-12 16:48:57,478 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-12 16:48:57,482 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:48:57,483 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:48:57,483 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-12 16:48:57,483 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 16:48:57,483 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:48:57,483 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:48:57,483 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:57,528 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 16:48:57,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:57,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:57,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:57,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:57,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,544 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-12 16:48:57,545 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:57,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:57,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:57,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:57,653 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:48:57,668 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:48:57,671 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:57,671 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:57,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:57,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:57,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,672 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:48:57,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:57,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:57,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:57,673 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:48:57,681 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:48:57,697 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-12 16:48:57,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:57,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:57,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:57,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:57,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,723 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-12 16:48:57,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:57,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:57,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:57,726 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:57,733 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:01,753 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:01,771 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:01,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:01,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:01,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:01,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:01,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:01,774 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:01,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:01,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:01,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:01,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:01,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:01,777 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:01,784 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:01,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:01,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:01,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:01,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:01,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:01,786 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:01,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:01,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:01,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:01,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:01,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:01,788 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:01,790 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:49:01,791 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f4e94f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:01, skipping insertion in model container [2024-09-12 16:49:01,791 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:01,792 INFO L158 Benchmark]: Toolchain (without parser) took 4977.16ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 62.0MB in the end (delta: -30.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:01,793 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:01,793 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:01,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.02ms. Allocated memory is still 73.4MB. Free memory was 30.8MB in the beginning and 41.0MB in the end (delta: -10.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:01,794 INFO L158 Benchmark]: Boogie Preprocessor took 53.28ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:01,794 INFO L158 Benchmark]: RCFGBuilder took 359.34ms. Allocated memory is still 73.4MB. Free memory was 38.7MB in the beginning and 50.3MB in the end (delta: -11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:49:01,795 INFO L158 Benchmark]: Referee took 4315.31ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.3MB in the beginning and 62.0MB in the end (delta: -11.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:01,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 44.0MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 73.4MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.02ms. Allocated memory is still 73.4MB. Free memory was 30.8MB in the beginning and 41.0MB in the end (delta: -10.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.28ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.34ms. Allocated memory is still 73.4MB. Free memory was 38.7MB in the beginning and 50.3MB in the end (delta: -11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4315.31ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.3MB in the beginning and 62.0MB in the end (delta: -11.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:01,827 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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: UNKNOWN