./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:38,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:38,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:38,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:38,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:38,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:38,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:38,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:38,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:38,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:38,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:38,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:38,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:38,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:38,844 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:38,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:38,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:38,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:38,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:38,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:38,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:38,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:38,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:38,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:38,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:38,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:38,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:38,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:38,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:38,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:38,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:38,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:38,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:38,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:38,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:38,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:38,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:38,858 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:39,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:39,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:39,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:39,101 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:39,102 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:39,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:52:39,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:39,143 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:39,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-09-11 20:52:40,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:40,590 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:40,590 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-09-11 20:52:40,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f4e7680e/26c607ee25784abaae2935310fec3707/FLAG556d6968d [2024-09-11 20:52:40,615 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f4e7680e/26c607ee25784abaae2935310fec3707 [2024-09-11 20:52:40,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:40,616 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:40,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:40,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:40,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:40,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:39" (1/2) ... [2024-09-11 20:52:40,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f54b08a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:40, skipping insertion in model container [2024-09-11 20:52:40,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:39" (1/2) ... [2024-09-11 20:52:40,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40252da8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:40, skipping insertion in model container [2024-09-11 20:52:40,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:40" (2/2) ... [2024-09-11 20:52:40,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f54b08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40, skipping insertion in model container [2024-09-11 20:52:40,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:40" (2/2) ... [2024-09-11 20:52:40,629 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:40,630 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:40,630 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:40,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:40,766 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-09-11 20:52:40,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:40,788 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:40,823 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-11 20:52:40,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:40,847 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:40,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40 WrapperNode [2024-09-11 20:52:40,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:40,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:40,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:40,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:40,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,874 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 [2024-09-11 20:52:40,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:40,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:40,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:40,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:40,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (1/1) ... [2024-09-11 20:52:40,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:40,924 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) [2024-09-11 20:52:40,926 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 [2024-09-11 20:52:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:41,048 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:41,050 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:41,158 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:41,192 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:41,192 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:41,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:41,219 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:41,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:41 BoogieIcfgContainer [2024-09-11 20:52:41,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:41,220 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:41,220 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:41,221 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:41,221 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:39" (1/4) ... [2024-09-11 20:52:41,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c772dd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:40" (2/4) ... [2024-09-11 20:52:41,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c772dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:40" (3/4) ... [2024-09-11 20:52:41,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c772dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:41" (4/4) ... [2024-09-11 20:52:41,224 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_valuebound1.c [2024-09-11 20:52:41,228 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:41,229 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:41,230 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:41,271 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:41,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,274 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,294 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:41,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,319 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:41,329 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:41,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,333 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:41,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,337 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,340 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:41,349 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:41,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,353 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:41,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,362 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:41,375 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:41,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,390 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:41,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,393 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:41,403 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:41,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,410 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:41,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,415 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,417 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:41,424 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:41,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:41,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:41,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:41,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:41,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,426 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:41,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:41,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:41,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:41,427 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:41,427 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:41,428 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:41,431 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:41,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2c772dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:41, skipping insertion in model container [2024-09-11 20:52:41,431 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:41,433 INFO L158 Benchmark]: Toolchain (without parser) took 815.94ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 82.1MB in the beginning and 140.0MB in the end (delta: -57.9MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:41,434 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 138.4MB. Free memory was 111.3MB in the beginning and 111.2MB in the end (delta: 148.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:41,434 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:41,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.58ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 68.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:41,435 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:41,436 INFO L158 Benchmark]: RCFGBuilder took 327.11ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 66.5MB in the beginning and 159.9MB in the end (delta: -93.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:41,437 INFO L158 Benchmark]: Referee took 211.21ms. Allocated memory is still 197.1MB. Free memory was 159.9MB in the beginning and 140.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:41,441 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 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 11. 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 27 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 138.4MB. Free memory was 111.3MB in the beginning and 111.2MB in the end (delta: 148.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.58ms. Allocated memory is still 138.4MB. Free memory was 81.9MB in the beginning and 68.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.11ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 66.5MB in the beginning and 159.9MB in the end (delta: -93.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Referee took 211.21ms. Allocated memory is still 197.1MB. Free memory was 159.9MB in the beginning and 140.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:41,467 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 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/nla-digbench-scaling/ps3-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:52:43,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:43,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:43,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:43,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:43,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:43,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:43,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:43,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:43,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:43,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:43,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:43,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:43,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:43,456 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:43,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:43,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:43,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:43,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:43,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:43,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:43,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:43,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:43,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:43,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:43,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:43,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:43,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:43,459 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:43,460 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:43,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:43,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:43,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:43,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:43,462 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:43,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:43,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:43,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:43,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:43,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:43,747 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:43,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-09-11 20:52:45,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:45,261 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:45,262 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-09-11 20:52:45,271 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e60e2c66d/71648c1c298449bcba22cef66ca65c0e/FLAG22ae61029 [2024-09-11 20:52:45,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e60e2c66d/71648c1c298449bcba22cef66ca65c0e [2024-09-11 20:52:45,292 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:45,292 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:45,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:52:45,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:45,344 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:45,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:45,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:45,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:45,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:45" (1/2) ... [2024-09-11 20:52:45,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7463b70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:45" (1/2) ... [2024-09-11 20:52:45,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f459611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:45" (2/2) ... [2024-09-11 20:52:45,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7463b70f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:45" (2/2) ... [2024-09-11 20:52:45,363 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:45,366 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:45,366 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:45,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:45,545 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-09-11 20:52:45,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:45,585 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:45,618 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-11 20:52:45,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:45,645 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:45,645 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:45 WrapperNode [2024-09-11 20:52:45,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:45,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:45,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:45,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:45,657 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,657 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,664 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,677 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 [2024-09-11 20:52:45,677 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,677 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,685 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,689 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,694 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,695 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:45,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:45,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:45,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:45,700 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 11.09 08:52:45" (1/1) ... [2024-09-11 20:52:45,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:45,728 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) [2024-09-11 20:52:45,733 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 [2024-09-11 20:52:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:45,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:45,838 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:45,841 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:47,792 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:47,875 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:47,875 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:47,897 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:47,897 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:47,898 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:47 BoogieIcfgContainer [2024-09-11 20:52:47,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:47,898 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:47,898 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:47,899 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:47,899 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:45" (1/4) ... [2024-09-11 20:52:47,900 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62271695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:47, skipping insertion in model container [2024-09-11 20:52:47,900 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:52:45" (2/4) ... [2024-09-11 20:52:47,900 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62271695 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:47, skipping insertion in model container [2024-09-11 20:52:47,900 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 11.09 08:52:45" (3/4) ... [2024-09-11 20:52:47,900 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62271695 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:47, skipping insertion in model container [2024-09-11 20:52:47,900 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:47" (4/4) ... [2024-09-11 20:52:47,901 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_valuebound1.c [2024-09-11 20:52:47,904 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:47,905 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:47,908 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:47,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:47,909 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:47,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:52:47,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:47,909 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:47,960 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:47,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:47,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:47,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:47,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:47,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,002 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:48,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:48,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:48,005 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:48,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:48,020 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:48,044 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:48,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:48,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:48,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:48,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:48,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,049 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:48,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:48,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:48,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:48,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:48,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:52,229 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:52,295 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:52,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:52,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:52,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:52,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:52,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,303 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:52,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:52,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:52,305 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:52,305 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:52,313 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:52,327 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:52,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:52,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:52,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:52,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:52,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,365 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:52,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:52,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:52,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:52,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,772 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:56,881 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:56,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,884 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:56,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,886 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:56,891 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:56,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,892 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,892 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,892 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,893 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:56,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,893 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,894 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,895 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:56,897 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:56,898 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62271695 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:56, skipping insertion in model container [2024-09-11 20:52:56,898 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:56,899 INFO L158 Benchmark]: Toolchain (without parser) took 11554.91ms. Allocated memory is still 73.4MB. Free memory was 39.5MB in the beginning and 44.8MB in the end (delta: -5.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,899 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:56,900 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 41.4MB in the end (delta: 199.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.36ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 43.5MB in the end (delta: -4.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,900 INFO L158 Benchmark]: Boogie Preprocessor took 49.61ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,901 INFO L158 Benchmark]: RCFGBuilder took 2200.80ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 52.3MB in the end (delta: -11.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,901 INFO L158 Benchmark]: Referee took 8999.61ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 44.8MB in the end (delta: 7.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:56,903 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 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 11. 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 main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 41.4MB in the end (delta: 199.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.36ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 43.5MB in the end (delta: -4.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.61ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2200.80ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 52.3MB in the end (delta: -11.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Referee took 8999.61ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 44.8MB in the end (delta: 7.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:56,996 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN