./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.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 20:52:26,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:26,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:26,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:26,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:27,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:27,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:27,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:27,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:27,014 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:27,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:27,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:27,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:27,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:27,016 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:27,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:27,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:27,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:27,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:27,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:27,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:27,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:27,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:27,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:27,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:27,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:27,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:27,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:27,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:27,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:27,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:27,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:27,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:27,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:27,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:27,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:27,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:27,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:27,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:27,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:27,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:27,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:27,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:27,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:27,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:27,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:27,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:27,375 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:27,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-11 20:52:28,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:28,976 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:28,977 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-11 20:52:28,984 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3cb921ec6/e9e35f69c57b4fa9b5113b7094028dc4/FLAG390f31c13 [2024-09-11 20:52:29,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3cb921ec6/e9e35f69c57b4fa9b5113b7094028dc4 [2024-09-11 20:52:29,002 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:29,003 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:29,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:52:29,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:29,051 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:29,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:29,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:29,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (1/2) ... [2024-09-11 20:52:29,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4644763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (1/2) ... [2024-09-11 20:52:29,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c12bb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,061 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 08:52:29" (2/2) ... [2024-09-11 20:52:29,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4644763a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,061 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 08:52:29" (2/2) ... [2024-09-11 20:52:29,069 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:29,070 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:29,070 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:29,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:29,242 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_unwindbound100.c[458,471] [2024-09-11 20:52:29,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,277 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:29,314 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_unwindbound100.c[458,471] Start Parsing Local [2024-09-11 20:52:29,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,344 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:29,345 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29 WrapperNode [2024-09-11 20:52:29,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:29,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:29,358 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,359 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,365 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,379 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 20:52:29,379 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,379 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,383 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,390 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,391 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,392 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:29,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:29,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:29,398 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 08:52:29" (1/1) ... [2024-09-11 20:52:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:29,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:29,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:52:29,449 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 20:52:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:29,571 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:29,577 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:29,766 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:29,815 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:29,815 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:29,836 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:29,836 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:29,837 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:29 BoogieIcfgContainer [2024-09-11 20:52:29,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:29,837 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:29,837 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:29,839 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:29,840 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:29" (1/4) ... [2024-09-11 20:52:29,840 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3db1685a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,840 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 08:52:29" (2/4) ... [2024-09-11 20:52:29,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3db1685a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,841 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 08:52:29" (3/4) ... [2024-09-11 20:52:29,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3db1685a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,841 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 08:52:29" (4/4) ... [2024-09-11 20:52:29,843 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound100.c [2024-09-11 20:52:29,850 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:29,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:29,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:29,851 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:29,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:29,851 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 20:52:29,851 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 20:52:29,851 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:29,902 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:29,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:29,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:29,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:29,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:29,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:29,939 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:29,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:29,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:29,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:29,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:29,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:29,965 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:29,984 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:29,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:29,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:29,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:29,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:29,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:29,993 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:29,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:29,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:29,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:29,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:29,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:29,996 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:30,009 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:30,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,012 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:30,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,022 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:30,034 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:30,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,046 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:30,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,048 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,049 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:30,063 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:30,063 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,070 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:30,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,071 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,077 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:30,092 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:30,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,094 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:30,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,099 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:30,103 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:30,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3db1685a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,105 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:30,106 INFO L158 Benchmark]: Toolchain (without parser) took 1054.57ms. Allocated memory is still 172.0MB. Free memory was 141.2MB in the beginning and 110.6MB in the end (delta: 30.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,107 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,108 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.54ms. Allocated memory is still 172.0MB. Free memory was 141.2MB in the beginning and 127.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,110 INFO L158 Benchmark]: Boogie Preprocessor took 49.52ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 126.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,110 INFO L158 Benchmark]: RCFGBuilder took 440.41ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 133.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,111 INFO L158 Benchmark]: Referee took 267.36ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 110.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,114 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 loop head at line 27 to check that procedure precondition always holds at line 28. 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 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 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.54ms. Allocated memory is still 172.0MB. Free memory was 141.2MB in the beginning and 127.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.52ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 126.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.41ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 133.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 267.36ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 110.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:30,143 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_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.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 20:52:32,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:32,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:32,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:32,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:32,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:32,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:32,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:32,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:32,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:32,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:32,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:32,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:32,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:32,560 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:32,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:32,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:32,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:32,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:32,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:32,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:32,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:32,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:32,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:32,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:32,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:32,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:32,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:32,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:32,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:32,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:32,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:32,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:32,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:32,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:32,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:32,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:32,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:32,572 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:32,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:32,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:32,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:32,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:32,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:32,574 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:32,574 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:32,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:32,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:32,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:32,927 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:32,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:32,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:52:32,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:32,979 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:32,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-11 20:52:34,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:34,821 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:34,822 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c [2024-09-11 20:52:34,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2bcb8769f/0313d63d86f44fcaad9550e279916602/FLAG9c12cd99b [2024-09-11 20:52:34,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2bcb8769f/0313d63d86f44fcaad9550e279916602 [2024-09-11 20:52:34,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:34,852 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:34,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:34,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:34,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:34,862 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 08:52:32" (1/2) ... [2024-09-11 20:52:34,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc32f7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:34, skipping insertion in model container [2024-09-11 20:52:34,867 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 08:52:32" (1/2) ... [2024-09-11 20:52:34,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ce941be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:34, skipping insertion in model container [2024-09-11 20:52:34,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:34" (2/2) ... [2024-09-11 20:52:34,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc32f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:34, skipping insertion in model container [2024-09-11 20:52:34,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:34" (2/2) ... [2024-09-11 20:52:34,880 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:34,881 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:34,881 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:34,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:35,074 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_unwindbound100.c[458,471] [2024-09-11 20:52:35,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:35,113 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:35,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound100.c[458,471] Start Parsing Local [2024-09-11 20:52:35,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:35,187 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:35,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35 WrapperNode [2024-09-11 20:52:35,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:35,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:35,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:35,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:35,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,210 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,224 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 20:52:35,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:35,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:35,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:35,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:35,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (1/1) ... [2024-09-11 20:52:35,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:35,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:35,280 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 20:52:35,283 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 20:52:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:35,398 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:35,401 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:37,768 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:37,868 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:37,868 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:37,899 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:37,899 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:37,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:37 BoogieIcfgContainer [2024-09-11 20:52:37,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:37,901 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:37,901 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:37,902 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:37,902 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 08:52:32" (1/4) ... [2024-09-11 20:52:37,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@594ebcf2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:37, skipping insertion in model container [2024-09-11 20:52:37,905 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:34" (2/4) ... [2024-09-11 20:52:37,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@594ebcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:37, skipping insertion in model container [2024-09-11 20:52:37,905 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35" (3/4) ... [2024-09-11 20:52:37,906 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@594ebcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:37, skipping insertion in model container [2024-09-11 20:52:37,906 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:37" (4/4) ... [2024-09-11 20:52:37,907 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound100.c [2024-09-11 20:52:37,912 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:37,913 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:37,913 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:37,914 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:37,914 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:37,914 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 20:52:37,914 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 20:52:37,915 INFO L130 InvariantChecker]: Will check 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 procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:37,984 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:37,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:37,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:37,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:37,988 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:37,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,041 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:38,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:38,043 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:38,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:38,060 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:42,264 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:42,331 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:42,331 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:42,331 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:42,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:42,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:42,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:42,351 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:42,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:42,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:42,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:42,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:42,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:46,542 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:46,611 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:46,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:46,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:46,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:46,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:46,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,622 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:46,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:46,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:46,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:46,624 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:46,632 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:46,647 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:46,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:46,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:46,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:46,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:46,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,680 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:46,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:46,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:46,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:46,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,065 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:51,183 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:51,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:51,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:51,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:51,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:51,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,187 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:51,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:51,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:51,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:51,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,189 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:51,199 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:51,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:51,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:51,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:51,200 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:51,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,202 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:51,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:51,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:51,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:51,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,206 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:51,210 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:51,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@594ebcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:51, skipping insertion in model container [2024-09-11 20:52:51,211 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:51,212 INFO L158 Benchmark]: Toolchain (without parser) took 16359.58ms. Allocated memory is still 86.0MB. Free memory was 49.8MB in the beginning and 55.9MB in the end (delta: -6.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,213 INFO L158 Benchmark]: Witness Parser took 1.05ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:51,214 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:51,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.60ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 57.9MB in the end (delta: -8.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,216 INFO L158 Benchmark]: Boogie Preprocessor took 55.91ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,217 INFO L158 Benchmark]: RCFGBuilder took 2654.02ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 39.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,218 INFO L158 Benchmark]: Referee took 13309.93ms. Allocated memory is still 86.0MB. Free memory was 39.4MB in the beginning and 55.9MB in the end (delta: -16.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,222 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 loop head at line 27. 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 check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.05ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.60ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 57.9MB in the end (delta: -8.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.91ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2654.02ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 39.4MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 13309.93ms. Allocated memory is still 86.0MB. Free memory was 39.4MB in the beginning and 55.9MB in the end (delta: -16.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:51,338 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