./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+lhb-reducer.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-f1d7dc9-m [2024-09-20 13:26:08,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:26:09,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:26:09,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:26:09,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:26:09,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:26:09,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:26:09,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:26:09,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:26:09,050 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:26:09,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:26:09,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:26:09,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:26:09,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:26:09,053 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:26:09,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:26:09,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:26:09,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:26:09,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:26:09,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:26:09,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:26:09,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:26:09,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:26:09,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:26:09,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:26:09,060 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:26:09,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:26:09,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:26:09,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:26:09,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:26:09,061 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:26:09,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:26:09,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:26:09,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:09,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:26:09,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:26:09,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:26:09,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:26:09,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:26:09,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:26:09,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:26:09,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:26:09,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:26:09,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:26:09,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:26:09,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:26:09,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:26:09,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:26:09,342 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:26:09,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2024-09-20 13:26:10,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:26:11,009 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:26:11,010 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2024-09-20 13:26:11,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c6659492f/cb47a96170e54edeb080c11ffb2962c0/FLAG8d2e87f6d [2024-09-20 13:26:11,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c6659492f/cb47a96170e54edeb080c11ffb2962c0 [2024-09-20 13:26:11,034 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:26:11,035 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:26:11,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mod3.c.v+lhb-reducer.yml/witness-2.1.yml [2024-09-20 13:26:11,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:26:11,093 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:26:11,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:11,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:26:11,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:26:11,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:11" (1/2) ... [2024-09-20 13:26:11,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b696883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:11" (1/2) ... [2024-09-20 13:26:11,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8dd12de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/2) ... [2024-09-20 13:26:11,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b696883 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11, skipping insertion in model container [2024-09-20 13:26:11,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/2) ... [2024-09-20 13:26:11,119 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:26:11,120 INFO L1541 ArrayList]: Location invariant before [L25-L145] ((((2 * 0) + main__x) % 3) < 1) [2024-09-20 13:26:11,121 INFO L1541 ArrayList]: Location invariant before [L26-L114] (((((2 * 0) + main__x) % 3) < 1)) && (((((2 * 0) + main__x) % 3) < 1)) [2024-09-20 13:26:11,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:26:11,350 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.v+lhb-reducer.c[2265,2278] [2024-09-20 13:26:11,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:11,370 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 13:26:11,393 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.v+lhb-reducer.c[2265,2278] Start Parsing Local Start Parsing Local [2024-09-20 13:26:11,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:11,496 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:11,497 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:11 WrapperNode [2024-09-20 13:26:11,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:11,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:11,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:11,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:11,515 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,515 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,522 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,537 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-20 13:26:11,537 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,538 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,545 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,551 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,553 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,558 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:11,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:11,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:11,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:11,566 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 20.09 01:26:11" (1/1) ... [2024-09-20 13:26:11,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:11,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:11,600 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) [2024-09-20 13:26:11,605 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 [2024-09-20 13:26:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:26:11,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:26:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:11,737 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:11,741 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:11,960 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:12,000 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:12,000 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:26:12,000 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:12 BoogieIcfgContainer [2024-09-20 13:26:12,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:12,001 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:12,001 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:12,002 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:12,002 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:26:11" (1/4) ... [2024-09-20 13:26:12,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c61319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:12, skipping insertion in model container [2024-09-20 13:26:12,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:26:11" (2/4) ... [2024-09-20 13:26:12,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c61319 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:12, skipping insertion in model container [2024-09-20 13:26:12,003 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 20.09 01:26:11" (3/4) ... [2024-09-20 13:26:12,004 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c61319 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:12, skipping insertion in model container [2024-09-20 13:26:12,004 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:12" (4/4) ... [2024-09-20 13:26:12,005 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2024-09-20 13:26:12,009 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:26:12,010 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-20 13:26:12,010 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-20 13:26:12,010 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-20 13:26:12,010 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:12,085 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-20 13:26:12,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:12,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:12,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:12,089 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:12,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,215 INFO L101 BaseMinimizeStates]: Removed 62 edges and 18 locations by large block encoding [2024-09-20 13:26:12,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:12,217 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:12,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:12,243 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 13:26:12,260 INFO L314 BlockEncoder]: Initial Icfg 19 locations, 25 edges [2024-09-20 13:26:12,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:12,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:12,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:12,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:12,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,323 INFO L101 BaseMinimizeStates]: Removed 55 edges and 15 locations by large block encoding [2024-09-20 13:26:12,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:12,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:12,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:12,339 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 13:26:12,351 INFO L314 BlockEncoder]: Initial Icfg 19 locations, 25 edges [2024-09-20 13:26:12,352 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:12,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:12,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:12,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:12,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,427 INFO L101 BaseMinimizeStates]: Removed 56 edges and 15 locations by large block encoding [2024-09-20 13:26:12,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:12,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:12,428 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:12,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:12,441 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-20 13:26:12,444 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 13:26:12,445 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c61319 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:26:12, skipping insertion in model container [2024-09-20 13:26:12,445 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:26:12,448 INFO L158 Benchmark]: Toolchain (without parser) took 1353.58ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 51.6MB in the end (delta: 40.4MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,448 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:12,448 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:12,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.81ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 132.6MB in the end (delta: -40.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,451 INFO L158 Benchmark]: Boogie Preprocessor took 65.28ms. Allocated memory is still 159.4MB. Free memory was 132.6MB in the beginning and 130.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:12,452 INFO L158 Benchmark]: RCFGBuilder took 436.37ms. Allocated memory is still 159.4MB. Free memory was 130.5MB in the beginning and 115.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,452 INFO L158 Benchmark]: Referee took 444.04ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 51.6MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-09-20 13:26:12,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Not cycle-free: Subgraph between entry of procedure main and check that a call to reach_error is unreachable at line 99. Not cycle-free: Subgraph between entry of procedure main and check that invariant of correctness witness holds at line 25. Not cycle-free: Subgraph between entry of procedure main and check that invariant of correctness witness holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.81ms. Allocated memory is still 159.4MB. Free memory was 91.7MB in the beginning and 132.6MB in the end (delta: -40.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.28ms. Allocated memory is still 159.4MB. Free memory was 132.6MB in the beginning and 130.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.37ms. Allocated memory is still 159.4MB. Free memory was 130.5MB in the beginning and 115.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 444.04ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 51.6MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 13:26:12,489 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE