./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 04d6fb36 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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:56,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:56,931 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:56,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:56,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:56,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:56,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:56,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:56,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:56,952 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:56,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:56,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:56,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:56,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:56,954 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:56,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:56,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:56,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:56,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:56,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:56,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:56,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:56,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:56,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:56,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:56,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:56,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:56,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:56,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:56,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:56,959 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:56,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:56,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:56,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:56,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:56,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:56,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:56,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:56,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:56,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:56,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:56,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:56,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:56,965 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:57,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:57,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:57,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:57,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:57,168 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:57,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-15 20:05:58,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:58,696 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:58,697 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-15 20:05:58,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9811e7299/f95372af2ece423cb1a1cff063c9bc20/FLAGef2c0c662 [2024-09-15 20:05:58,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9811e7299/f95372af2ece423cb1a1cff063c9bc20 [2024-09-15 20:05:58,724 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:58,726 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:58,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-15 20:05:58,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:58,768 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:58,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:58,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:58,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:58,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:58" (1/2) ... [2024-09-15 20:05:58,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cd645a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:58, skipping insertion in model container [2024-09-15 20:05:58,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:58" (1/2) ... [2024-09-15 20:05:58,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d47b5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:58, skipping insertion in model container [2024-09-15 20:05:58,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:58" (2/2) ... [2024-09-15 20:05:58,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cd645a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:58, skipping insertion in model container [2024-09-15 20:05:58,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:58" (2/2) ... [2024-09-15 20:05:58,786 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:58,786 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((y == 1) || ((((2 * (x / 4294967296)) + x) % 3) < 1)) [2024-09-15 20:05:58,786 INFO L1541 ArrayList]: Function contract at [L8]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:05:58,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:58,953 WARN L248 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] [2024-09-15 20:05:58,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:58,972 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:05:59,004 WARN L248 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 [2024-09-15 20:05:59,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:59,020 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:59,021 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:59 WrapperNode [2024-09-15 20:05:59,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:59,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:59,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:59,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:59,033 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,034 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,040 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,050 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 [2024-09-15 20:05:59,050 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,050 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,053 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,055 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,057 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,058 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:59,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:59,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:59,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:59,063 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 15.09 08:05:59" (1/1) ... [2024-09-15 20:05:59,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:59,089 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) [2024-09-15 20:05:59,091 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 [2024-09-15 20:05:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:05:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:05:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:05:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:59,186 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:59,194 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:59,325 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:05:59,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:59,367 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:59,367 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:05:59,367 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:59 BoogieIcfgContainer [2024-09-15 20:05:59,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:59,368 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:59,368 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:59,368 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:59,369 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:58" (1/4) ... [2024-09-15 20:05:59,369 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f443a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:59, skipping insertion in model container [2024-09-15 20:05:59,369 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:58" (2/4) ... [2024-09-15 20:05:59,369 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f443a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:59, skipping insertion in model container [2024-09-15 20:05:59,369 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 15.09 08:05:59" (3/4) ... [2024-09-15 20:05:59,369 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f443a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:59, skipping insertion in model container [2024-09-15 20:05:59,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:59" (4/4) ... [2024-09-15 20:05:59,371 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-15 20:05:59,374 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:05:59,375 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-15 20:05:59,375 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:05:59,375 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:05:59,375 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:59,375 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:05:59,379 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 [2024-09-15 20:05:59,423 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-15 20:05:59,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:59,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:59,426 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:59,426 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:59,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,463 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-15 20:05:59,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:59,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:59,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:59,476 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:59,502 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:59,521 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:05:59,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:59,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:59,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:59,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:59,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,526 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:05:59,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:59,531 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:59,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:59,531 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:59,540 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:59,555 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-15 20:05:59,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:59,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:59,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:59,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:59,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,602 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-15 20:05:59,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:59,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:59,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:59,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:59,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:03,632 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:06:03,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:03,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:03,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:03,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:03,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:03,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:03,651 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:03,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:03,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:03,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:03,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:03,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:03,654 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:03,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:03,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:03,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:03,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:03,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:03,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:03,672 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:03,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:03,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:03,672 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:03,672 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:03,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:03,675 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:03,678 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:06:03,679 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f443a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:03, skipping insertion in model container [2024-09-15 20:06:03,679 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:03,681 INFO L158 Benchmark]: Toolchain (without parser) took 4911.73ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.8MB in the beginning and 96.7MB in the end (delta: -42.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:03,681 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:03,682 INFO L158 Benchmark]: Witness Parser took 0.52ms. Allocated memory is still 125.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:03,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.00ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.7MB in the beginning and 141.7MB in the end (delta: -88.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-09-15 20:06:03,683 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:03,684 INFO L158 Benchmark]: RCFGBuilder took 307.63ms. Allocated memory is still 174.1MB. Free memory was 139.7MB in the beginning and 125.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:03,685 INFO L158 Benchmark]: Referee took 4311.47ms. Allocated memory is still 174.1MB. Free memory was 125.0MB in the beginning and 97.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-15 20:06:03,687 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 main to loop head at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.52ms. Allocated memory is still 125.8MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.00ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 53.7MB in the beginning and 141.7MB in the end (delta: -88.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.63ms. Allocated memory is still 174.1MB. Free memory was 139.7MB in the beginning and 125.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4311.47ms. Allocated memory is still 174.1MB. Free memory was 125.0MB in the beginning and 97.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:06:03,716 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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:05,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:06,059 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:06:06,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:06,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:06,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:06,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:06,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:06,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:06,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:06,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:06,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:06,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:06,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:06,101 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:06,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:06,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:06,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:06,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:06,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:06,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:06:06,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:06,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:06,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:06,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:06,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:06,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:06,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:06,108 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:06:06,108 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:06:06,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:06,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:06,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:06,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:06,111 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:06:06,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:06,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:06,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:06,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:06,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:06,433 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:06,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-15 20:06:07,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:08,012 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:08,013 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c [2024-09-15 20:06:08,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1ae196bb5/31f8ac1e77e649789c0fc02bde8ffda8/FLAGf9ace274e [2024-09-15 20:06:08,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1ae196bb5/31f8ac1e77e649789c0fc02bde8ffda8 [2024-09-15 20:06:08,040 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:08,040 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:08,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.yml/witness-2.1.yml [2024-09-15 20:06:08,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:08,090 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:08,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:08,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:08,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:08,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:08" (1/2) ... [2024-09-15 20:06:08,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b35b5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:08" (1/2) ... [2024-09-15 20:06:08,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64d69a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:08" (2/2) ... [2024-09-15 20:06:08,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b35b5bc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:08" (2/2) ... [2024-09-15 20:06:08,107 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:08,108 INFO L1541 ArrayList]: Loop invariant at [L18-L31] ((y == 1) || ((((2 * (x / 4294967296)) + x) % 3) < 1)) [2024-09-15 20:06:08,108 INFO L1541 ArrayList]: Function contract at [L8]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:08,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:08,272 WARN L248 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] [2024-09-15 20:06:08,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:08,304 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:06:08,336 WARN L248 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 [2024-09-15 20:06:08,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:08,362 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:08,362 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:08 WrapperNode [2024-09-15 20:06:08,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:08,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:08,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:08,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:08,374 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,375 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,382 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,391 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 [2024-09-15 20:06:08,391 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,392 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,400 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,405 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,407 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,408 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:08,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:08,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:08,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:08,413 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 15.09 08:06:08" (1/1) ... [2024-09-15 20:06:08,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:08,439 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) [2024-09-15 20:06:08,442 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 [2024-09-15 20:06:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:06:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:06:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:08,540 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:08,542 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:08,678 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:08,691 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:08,712 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:08,712 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:06:08,712 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:08 BoogieIcfgContainer [2024-09-15 20:06:08,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:08,713 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:08,713 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:08,714 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:08,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:08" (1/4) ... [2024-09-15 20:06:08,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@522eadd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:08" (2/4) ... [2024-09-15 20:06:08,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@522eadd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,715 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 15.09 08:06:08" (3/4) ... [2024-09-15 20:06:08,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@522eadd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:08, skipping insertion in model container [2024-09-15 20:06:08,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:08" (4/4) ... [2024-09-15 20:06:08,716 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c [2024-09-15 20:06:08,719 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:06:08,720 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-15 20:06:08,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:06:08,720 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:06:08,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:08,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:08,721 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 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 [2024-09-15 20:06:08,749 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-15 20:06:08,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:08,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:08,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:08,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:08,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,762 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-15 20:06:08,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:08,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:08,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:08,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:08,785 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:08,815 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:06:08,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:08,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:08,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:08,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:08,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,817 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:06:08,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:08,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:08,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:08,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:08,824 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:08,841 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-15 20:06:08,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:08,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:08,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:08,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:08,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,870 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-15 20:06:08,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:08,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:08,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:08,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:08,885 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:10,337 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:10,354 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:10,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:10,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:10,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:10,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:10,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:10,361 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:10,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:10,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:10,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:10,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:10,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:10,368 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:10,377 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:10,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:10,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:10,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:10,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:10,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:10,383 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:10,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:10,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:10,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:10,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:10,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:10,388 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:10,391 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-15 20:06:10,395 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@522eadd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:10, skipping insertion in model container [2024-09-15 20:06:10,395 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:10,397 INFO L158 Benchmark]: Toolchain (without parser) took 2306.78ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 47.1MB in the beginning and 70.4MB in the end (delta: -23.3MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:10,397 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:10,398 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:10,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.47ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 59.3MB in the end (delta: -12.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-09-15 20:06:10,398 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:10,402 INFO L158 Benchmark]: RCFGBuilder took 300.69ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:06:10,403 INFO L158 Benchmark]: Referee took 1682.38ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 70.4MB in the end (delta: -27.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-15 20:06:10,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. 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. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.47ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 59.3MB in the end (delta: -12.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.69ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 43.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 1682.38ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 70.4MB in the end (delta: -27.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-15 20:06:10,442 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: TRUE