./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.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 20:52:26,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:27,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:27,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:27,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:27,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:27,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:27,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:27,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:27,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:27,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:27,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:27,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:27,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:27,058 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:27,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:27,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:27,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:27,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:27,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:27,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:27,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:27,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:27,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:27,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:27,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:27,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:27,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:27,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:27,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:27,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:27,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:27,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:27,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:27,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:27,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:27,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:27,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:27,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:27,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:27,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:27,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:27,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:27,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:27,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:27,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:27,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:27,364 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:27,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-11 20:52:28,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:28,931 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:28,932 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-11 20:52:28,941 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/66420ba1d/d971e1e35e9c4d44ad59c583a800e3f8/FLAGe03eb3a64 [2024-09-11 20:52:29,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/66420ba1d/d971e1e35e9c4d44ad59c583a800e3f8 [2024-09-11 20:52:29,330 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:29,332 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:29,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.yml/witness-2.1.yml [2024-09-11 20:52:29,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:29,381 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:29,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:29,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:29,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (1/2) ... [2024-09-11 20:52:29,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f5c0f 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 20:52:29,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (1/2) ... [2024-09-11 20:52:29,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d984884 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 20:52:29,394 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 20:52:29,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f5c0f 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 20:52:29,395 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 20:52:29,402 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:29,403 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:29,403 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:29,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:29,589 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_unwindbound2.c[458,471] [2024-09-11 20:52:29,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,613 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:29,645 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_unwindbound2.c[458,471] Start Parsing Local [2024-09-11 20:52:29,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,668 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:29,668 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 20:52:29,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:29,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:29,679 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 20:52:29,679 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 20:52:29,685 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 20:52:29,698 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 20:52:29,702 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 20:52:29,702 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 20:52:29,706 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 20:52:29,710 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 20:52:29,711 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 20:52:29,712 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 20:52:29,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:29,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:29,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:29,719 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 20:52:29,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:29,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:29,750 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 20:52:29,756 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 20:52:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:29,880 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:29,883 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:30,028 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:30,070 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:30,071 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:30,098 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:30,099 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:30,099 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:30 BoogieIcfgContainer [2024-09-11 20:52:30,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:30,100 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:30,100 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:30,101 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:30,101 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:29" (1/4) ... [2024-09-11 20:52:30,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672f8f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,102 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 20:52:30,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672f8f2c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,102 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 20:52:30,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672f8f2c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,102 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 08:52:30" (4/4) ... [2024-09-11 20:52:30,104 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound2.c [2024-09-11 20:52:30,107 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:30,108 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 20:52:30,108 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 20:52:30,109 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 20:52:30,109 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 20:52:30,109 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 20:52:30,109 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 20:52:30,109 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, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:30,160 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:30,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,206 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:30,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,216 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,237 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:30,254 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:30,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,265 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:30,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,266 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,269 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:30,279 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:30,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,285 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:30,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,292 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:30,311 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:30,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,329 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:30,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,331 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,332 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:30,345 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:30,348 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,352 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:30,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,355 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:30,368 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:30,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,371 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:30,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,372 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,372 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,372 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,373 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:30,377 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:30,377 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@672f8f2c 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 20:52:30,379 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:30,381 INFO L158 Benchmark]: Toolchain (without parser) took 998.77ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 77.1MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,381 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 184.5MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,382 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 116.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,383 INFO L158 Benchmark]: Boogie Preprocessor took 46.94ms. Allocated memory is still 184.5MB. Free memory was 116.1MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,383 INFO L158 Benchmark]: RCFGBuilder took 382.54ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 99.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,384 INFO L158 Benchmark]: Referee took 278.80ms. Allocated memory is still 184.5MB. Free memory was 99.5MB in the beginning and 77.1MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,389 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 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. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 184.5MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.38ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 116.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.94ms. Allocated memory is still 184.5MB. Free memory was 116.1MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.54ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 99.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 278.80ms. Allocated memory is still 184.5MB. Free memory was 99.5MB in the beginning and 77.1MB in the end (delta: 22.3MB). 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 20:52:30,418 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.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 20:52:32,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:32,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:32,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:32,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:32,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:32,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:32,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:32,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:32,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:32,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:32,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:32,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:32,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:32,773 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:32,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:32,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:32,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:32,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:32,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:32,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:32,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:32,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:32,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:32,780 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:32,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:32,780 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:32,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:32,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:32,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:32,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:32,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:32,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:32,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:32,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:32,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:32,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:32,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:32,783 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:32,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:32,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:32,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:32,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:32,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:32,786 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:32,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:33,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:33,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:33,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:33,133 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:33,135 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:33,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound2.yml/witness-2.1.yml [2024-09-11 20:52:33,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:33,196 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:33,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-11 20:52:34,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:34,965 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:34,965 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound2.c [2024-09-11 20:52:34,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd3e41b11/fe404d1483d646adabf40dd9280ab328/FLAGe378c13a4 [2024-09-11 20:52:34,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd3e41b11/fe404d1483d646adabf40dd9280ab328 [2024-09-11 20:52:34,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:34,993 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:34,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:34,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:35,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:35,004 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 08:52:33" (1/2) ... [2024-09-11 20:52:35,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7272d0ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,006 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 08:52:33" (1/2) ... [2024-09-11 20:52:35,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55fd009 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:34" (2/2) ... [2024-09-11 20:52:35,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7272d0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:34" (2/2) ... [2024-09-11 20:52:35,022 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:35,023 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:35,023 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:35,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:35,201 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_unwindbound2.c[458,471] [2024-09-11 20:52:35,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:35,239 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:35,276 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_unwindbound2.c[458,471] Start Parsing Local [2024-09-11 20:52:35,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:35,309 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:35,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:35 WrapperNode [2024-09-11 20:52:35,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:35,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:35,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:35,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:35,323 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 20:52:35,324 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 20:52:35,334 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 20:52:35,347 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 20:52:35,347 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 20:52:35,347 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 20:52:35,358 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 20:52:35,361 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 20:52:35,364 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 20:52:35,369 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 20:52:35,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:35,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:35,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:35,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:35,373 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 20:52:35,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:35,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:35,405 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 20:52:35,407 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 20:52:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:35,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:35,457 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:35,532 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:35,534 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:38,004 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:38,089 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:38,089 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:38,110 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:38,110 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:38,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:38 BoogieIcfgContainer [2024-09-11 20:52:38,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:38,112 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:38,112 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:38,112 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:38,113 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 08:52:33" (1/4) ... [2024-09-11 20:52:38,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@785dfaf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:38, skipping insertion in model container [2024-09-11 20:52:38,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:34" (2/4) ... [2024-09-11 20:52:38,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@785dfaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:38, skipping insertion in model container [2024-09-11 20:52:38,113 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 20:52:38,114 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@785dfaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:38, skipping insertion in model container [2024-09-11 20:52:38,114 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:38" (4/4) ... [2024-09-11 20:52:38,115 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound2.c [2024-09-11 20:52:38,118 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:38,119 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 20:52:38,119 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 20:52:38,119 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 20:52:38,120 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 20:52:38,120 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 20:52:38,120 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 20:52:38,120 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:38,169 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:38,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:38,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:38,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:38,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:38,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,232 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:38,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:38,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:38,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:38,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:42,484 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:42,556 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:42,557 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:42,557 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:42,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:42,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:42,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:42,580 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:42,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:42,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:42,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:42,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:42,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:46,774 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:46,842 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:46,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:46,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:46,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:46,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:46,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,848 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:46,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:46,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:46,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:46,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:46,855 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:46,876 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:46,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:46,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:46,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:46,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:46,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,914 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:46,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:46,914 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:46,914 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:46,914 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:46,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,293 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:51,397 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:51,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:51,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:51,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:51,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:51,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,400 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:51,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:51,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:51,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:51,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,404 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:51,413 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:51,414 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:51,414 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:51,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:51,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:51,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,416 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:51,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:51,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:51,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:51,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:51,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:51,420 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:51,423 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:51,424 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@785dfaf8 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 20:52:51,424 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:51,426 INFO L158 Benchmark]: Toolchain (without parser) took 16432.06ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 32.3MB in the end (delta: -3.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,427 INFO L158 Benchmark]: Witness Parser took 0.83ms. Allocated memory is still 41.9MB. Free memory was 23.8MB in the beginning and 23.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:51,427 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 41.9MB. Free memory was 21.8MB in the beginning and 21.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:51,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.15ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.0MB in the beginning and 39.4MB in the end (delta: -10.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,429 INFO L158 Benchmark]: Boogie Preprocessor took 60.26ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,429 INFO L158 Benchmark]: RCFGBuilder took 2739.19ms. Allocated memory is still 65.0MB. Free memory was 37.1MB in the beginning and 35.8MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,430 INFO L158 Benchmark]: Referee took 13312.68ms. Allocated memory is still 65.0MB. Free memory was 35.8MB in the beginning and 32.3MB in the end (delta: 3.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:51,432 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 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 loop head 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.83ms. Allocated memory is still 41.9MB. Free memory was 23.8MB in the beginning and 23.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 41.9MB. Free memory was 21.8MB in the beginning and 21.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.15ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.0MB in the beginning and 39.4MB in the end (delta: -10.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.26ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 37.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2739.19ms. Allocated memory is still 65.0MB. Free memory was 37.1MB in the beginning and 35.8MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 13312.68ms. Allocated memory is still 65.0MB. Free memory was 35.8MB in the beginning and 32.3MB in the end (delta: 3.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:51,524 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