./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 27b49876 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-27b4987-m [2024-09-21 12:47:57,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:57,154 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:57,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:57,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:57,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:57,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:57,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:57,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:57,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:57,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:57,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:57,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:57,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:57,180 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:57,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:57,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:57,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:57,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:57,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:57,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:57,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:57,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:57,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:57,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:57,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:57,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:57,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:57,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:57,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:57,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:57,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:57,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:57,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:57,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:57,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:57,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:57,423 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:57,424 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:57,424 INFO L431 ainManager$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 [2024-09-21 12:47:57,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:57,464 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:57,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2024-09-21 12:47:58,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:58,772 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:58,772 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2024-09-21 12:47:58,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/40cfeddb0/39dbba03346740cd8cf06786b7dbf6d0/FLAG4fc087afe [2024-09-21 12:47:58,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/40cfeddb0/39dbba03346740cd8cf06786b7dbf6d0 [2024-09-21 12:47:58,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:58,788 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:58,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:58,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:58,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:58,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:57" (1/2) ... [2024-09-21 12:47:58,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d78028 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:58, skipping insertion in model container [2024-09-21 12:47:58,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:57" (1/2) ... [2024-09-21 12:47:58,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c328aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:58, skipping insertion in model container [2024-09-21 12:47:58,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:58" (2/2) ... [2024-09-21 12:47:58,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d78028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:58, skipping insertion in model container [2024-09-21 12:47:58,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:58" (2/2) ... [2024-09-21 12:47:58,804 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:58,804 INFO L1541 ArrayList]: Location invariant before [L26-L114] (((main__x % 3) < 1)) && (((main__x % 3) < 1)) [2024-09-21 12:47:58,804 INFO L1541 ArrayList]: Location invariant before [L25-L145] ((main__x % 3) < 1) [2024-09-21 12:47:58,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:58,943 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] [2024-09-21 12:47:58,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:58,958 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:58,976 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 [2024-09-21 12:47:59,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:59,021 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:59,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59 WrapperNode [2024-09-21 12:47:59,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:59,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:59,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:59,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:59,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,054 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]. [2024-09-21 12:47:59,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:59,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:59,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:59,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:59,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (1/1) ... [2024-09-21 12:47:59,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:59,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:59,100 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) [2024-09-21 12:47:59,103 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 [2024-09-21 12:47:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:59,215 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:59,217 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:59,339 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:59,362 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:59,362 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:59,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:59 BoogieIcfgContainer [2024-09-21 12:47:59,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:59,364 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:59,365 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:59,365 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:59,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:57" (1/4) ... [2024-09-21 12:47:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@113c34fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:59, skipping insertion in model container [2024-09-21 12:47:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:58" (2/4) ... [2024-09-21 12:47:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@113c34fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:59, skipping insertion in model container [2024-09-21 12:47:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:59" (3/4) ... [2024-09-21 12:47:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@113c34fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:59, skipping insertion in model container [2024-09-21 12:47:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:59" (4/4) ... [2024-09-21 12:47:59,367 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2024-09-21 12:47:59,369 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:59,370 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 28 edges. [2024-09-21 12:47:59,370 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-21 12:47:59,370 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 25 edges. [2024-09-21 12:47:59,370 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:59,418 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 28 edges [2024-09-21 12:47:59,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:59,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:59,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:59,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:59,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,499 INFO L101 BaseMinimizeStates]: Removed 62 edges and 18 locations by large block encoding [2024-09-21 12:47:59,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:59,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:59,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:59,514 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 12:47:59,526 INFO L314 BlockEncoder]: Initial Icfg 19 locations, 25 edges [2024-09-21 12:47:59,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:59,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:59,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:59,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:59,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,577 INFO L101 BaseMinimizeStates]: Removed 55 edges and 15 locations by large block encoding [2024-09-21 12:47:59,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:59,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:59,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:59,590 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 12:47:59,602 INFO L314 BlockEncoder]: Initial Icfg 19 locations, 25 edges [2024-09-21 12:47:59,603 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:59,603 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:59,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:59,603 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:59,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,648 INFO L101 BaseMinimizeStates]: Removed 56 edges and 15 locations by large block encoding [2024-09-21 12:47:59,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:59,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:59,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:59,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:59,657 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 12:47:59,659 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:47:59,659 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@113c34fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:59, skipping insertion in model container [2024-09-21 12:47:59,660 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:59,661 INFO L158 Benchmark]: Toolchain (without parser) took 872.16ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 67.8MB in the end (delta: 74.3MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,661 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:59,662 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:59,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.32ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 127.5MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,662 INFO L158 Benchmark]: Boogie Preprocessor took 45.69ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,663 INFO L158 Benchmark]: RCFGBuilder took 293.01ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 131.8MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,663 INFO L158 Benchmark]: Referee took 296.22ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 67.8MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:59,666 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: * Witness Parser took 0.15ms. Allocated memory is still 174.1MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.32ms. Allocated memory is still 174.1MB. Free memory was 142.1MB in the beginning and 127.5MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.69ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 293.01ms. Allocated memory is still 174.1MB. Free memory was 124.3MB in the beginning and 131.8MB in the end (delta: -7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 296.22ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 67.8MB in the end (delta: 64.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:47:59,692 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