./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark33_linear.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark33_linear.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/loop-zilu/benchmark33_linear.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark33_linear.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 [2024-09-12 16:49:15,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:15,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:15,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:15,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:15,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:15,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:15,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:15,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:15,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:15,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:15,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:15,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:15,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:15,453 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:15,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:15,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:15,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:15,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:15,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:15,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:15,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:15,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:15,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:15,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:15,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:15,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:15,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:15,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:15,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:15,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:15,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:15,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:15,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:15,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:15,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:15,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:15,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:15,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:15,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:15,463 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:15,463 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:15,463 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:15,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:15,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:15,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:15,752 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:15,753 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:15,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark33_linear.yml/witness-2.1.yml [2024-09-12 16:49:15,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:15,829 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:15,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2024-09-12 16:49:17,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:17,356 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:17,356 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark33_linear.i [2024-09-12 16:49:17,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/11bec0921/76c38e75a9074f80b0e56435169d4d2d/FLAGf87974d39 [2024-09-12 16:49:17,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/11bec0921/76c38e75a9074f80b0e56435169d4d2d [2024-09-12 16:49:17,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:17,377 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:17,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:17,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:17,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:17,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:15" (1/2) ... [2024-09-12 16:49:17,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11738554 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:15" (1/2) ... [2024-09-12 16:49:17,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e6eb6df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:17" (2/2) ... [2024-09-12 16:49:17,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11738554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:17" (2/2) ... [2024-09-12 16:49:17,398 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:17,400 INFO L1541 ArrayList]: Loop invariant at [L22-L24] (0 < ((long long) x + 1)) [2024-09-12 16:49:17,400 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:49:17,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:17,567 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/loop-zilu/benchmark33_linear.i[868,881] [2024-09-12 16:49:17,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:17,584 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 16:49:17,616 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/loop-zilu/benchmark33_linear.i[868,881] Start Parsing Local [2024-09-12 16:49:17,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:17,634 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:17,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17 WrapperNode [2024-09-12 16:49:17,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:17,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:17,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:17,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:17,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,653 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,662 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 [2024-09-12 16:49:17,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:17,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:17,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:17,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:17,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (1/1) ... [2024-09-12 16:49:17,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:17,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:17,707 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) [2024-09-12 16:49:17,715 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 [2024-09-12 16:49:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:49:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-12 16:49:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:17,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:17,824 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:17,826 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:17,907 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:17,938 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:17,939 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:17,959 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:17,960 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:49:17,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:17 BoogieIcfgContainer [2024-09-12 16:49:17,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:17,961 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:17,961 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:17,962 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:17,962 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:15" (1/4) ... [2024-09-12 16:49:17,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@326bf914 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:17" (2/4) ... [2024-09-12 16:49:17,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@326bf914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:17" (3/4) ... [2024-09-12 16:49:17,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@326bf914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:17, skipping insertion in model container [2024-09-12 16:49:17,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:17" (4/4) ... [2024-09-12 16:49:17,965 INFO L79 RefereeObserver]: Analyzing ICFG benchmark33_linear.i [2024-09-12 16:49:17,968 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:49:17,968 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:49:17,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 16:49:17,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:17,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:17,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:17,970 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 error location, 1 loop-free subgraphs from loop head to loop head [2024-09-12 16:49:17,998 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:17,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:17,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:18,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:18,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:18,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,011 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:18,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:18,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:18,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:18,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:18,026 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:18,037 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:18,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:18,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:18,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:18,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:18,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,044 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:18,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:18,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:18,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:18,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:18,049 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:18,061 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:18,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:18,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:18,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:18,062 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:18,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,070 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:18,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:18,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:18,071 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:18,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:18,081 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:18,090 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:18,090 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:18,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:18,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:18,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:18,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,094 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:18,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:18,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:18,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:18,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:18,097 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:18,103 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:18,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:18,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:18,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:18,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:18,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,121 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:18,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:18,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:18,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:18,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:18,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:18,126 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:18,133 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:49:18,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@326bf914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:18, skipping insertion in model container [2024-09-12 16:49:18,133 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:18,135 INFO L158 Benchmark]: Toolchain (without parser) took 757.40ms. Allocated memory is still 165.7MB. Free memory was 92.2MB in the beginning and 133.7MB in the end (delta: -41.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:18,135 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:18,136 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:18,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 165.7MB. Free memory was 92.2MB in the beginning and 79.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:18,137 INFO L158 Benchmark]: Boogie Preprocessor took 37.17ms. Allocated memory is still 165.7MB. Free memory was 79.3MB in the beginning and 77.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:18,138 INFO L158 Benchmark]: RCFGBuilder took 287.84ms. Allocated memory is still 165.7MB. Free memory was 77.2MB in the beginning and 64.2MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:18,138 INFO L158 Benchmark]: Referee took 172.09ms. Allocated memory is still 165.7MB. Free memory was 64.2MB in the beginning and 133.7MB in the end (delta: -69.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-09-12 16:49:18,146 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 entry of procedure main to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. 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 16. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 165.7MB. Free memory was 92.2MB in the beginning and 79.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.17ms. Allocated memory is still 165.7MB. Free memory was 79.3MB in the beginning and 77.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.84ms. Allocated memory is still 165.7MB. Free memory was 77.2MB in the beginning and 64.2MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 172.09ms. Allocated memory is still 165.7MB. Free memory was 64.2MB in the beginning and 133.7MB in the end (delta: -69.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:18,193 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: TRUE