./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/hard2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:02,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:02,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:02,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:02,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:02,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:02,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:02,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:02,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:02,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:02,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:02,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:02,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:02,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:02,779 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:02,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:02,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:02,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:02,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:02,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:02,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:02,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:02,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:02,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:02,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:02,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:02,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:02,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:02,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:02,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:02,788 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:02,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:02,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:02,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:02,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:02,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:02,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:02,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:02,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:02,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:02,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:02,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:02,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:02,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:03,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:03,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:03,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:03,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:03,105 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:03,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c [2024-09-25 11:48:04,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:04,734 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:04,735 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c [2024-09-25 11:48:04,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/213e2e99e/6c013765dd2d48b287586433113c361e/FLAGa89052fb5 [2024-09-25 11:48:04,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/213e2e99e/6c013765dd2d48b287586433113c361e [2024-09-25 11:48:04,766 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:04,767 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:04,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound1.yml/witness-2.1.yml [2024-09-25 11:48:04,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:04,830 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:04,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:04,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:04,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:04,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:04" (1/2) ... [2024-09-25 11:48:04,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bca02bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:04" (1/2) ... [2024-09-25 11:48:04,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79e0f535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/2) ... [2024-09-25 11:48:04,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bca02bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/2) ... [2024-09-25 11:48:04,853 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:04,854 INFO L1541 ArrayList]: Loop invariant at [L34-L42] ((((((((0 <= A) && (A == r)) && (p == 2)) && (A <= 1)) && (d == 2)) && (q == 0)) && (B == 1)) || (((((((0 <= A) && (A == r)) && (A <= 1)) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) [2024-09-25 11:48:04,854 INFO L1541 ArrayList]: Loop invariant at [L44-L56] (((((((A == r) && (p == 2)) && (d == 2)) && (q == 0)) && (B == 1)) || (((((A == ((long long) r + 1)) && (d == 1)) && (B == 1)) && (q == 1)) && (p == 1))) || (((((A == r) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) [2024-09-25 11:48:04,854 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (cond != 0) [2024-09-25 11:48:04,854 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-09-25 11:48:04,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:05,028 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c[526,539] [2024-09-25 11:48:05,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:05,068 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:05,139 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound1.c[526,539] Start Parsing Local Start Parsing Local [2024-09-25 11:48:05,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:05,209 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:05,210 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:05 WrapperNode [2024-09-25 11:48:05,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:05,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:05,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:05,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:05,225 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,225 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,233 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,247 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:05,247 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,247 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,254 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,262 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,264 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,265 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:05,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:05,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:05,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:05,275 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 25.09 11:48:05" (1/1) ... [2024-09-25 11:48:05,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:05,311 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) [2024-09-25 11:48:05,318 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 [2024-09-25 11:48:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:05,432 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:05,436 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:05,618 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:05,631 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:05,666 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:05,667 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:48:05,667 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:05 BoogieIcfgContainer [2024-09-25 11:48:05,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:05,668 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:05,668 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:05,669 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:05,669 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:04" (1/4) ... [2024-09-25 11:48:05,669 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54079df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,670 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/4) ... [2024-09-25 11:48:05,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54079df8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,670 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 25.09 11:48:05" (3/4) ... [2024-09-25 11:48:05,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54079df8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,670 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:05" (4/4) ... [2024-09-25 11:48:05,672 INFO L79 RefereeObserver]: Analyzing ICFG hard2_valuebound1.c [2024-09-25 11:48:05,676 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:05,677 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:05,678 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:05,679 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:05,679 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:05,728 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:05,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,743 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:05,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,769 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:05,803 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:05,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,844 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:05,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,852 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,858 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:05,872 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:48:05,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,872 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,884 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 11:48:05,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,885 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,891 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:05,914 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:48:05,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,928 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-25 11:48:05,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,935 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:05,945 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:05,946 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,950 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:05,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,953 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:05,967 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:05,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,979 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:05,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:05,987 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:06,004 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:06,005 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,005 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,006 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,009 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:06,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,010 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,010 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,012 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:06,022 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:06,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,027 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:06,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,031 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:06,046 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:06,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,059 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:06,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,065 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:06,077 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:06,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,081 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:06,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,084 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:06,094 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:06,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,100 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:06,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,100 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,103 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:06,113 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:06,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:06,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,120 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:06,131 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:06,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:06,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,136 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:06,146 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:06,146 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:06,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:06,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:06,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:06,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,151 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:06,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:06,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:06,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:06,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:06,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:06,155 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:06,159 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:48:06,159 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54079df8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:06, skipping insertion in model container [2024-09-25 11:48:06,160 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:06,161 INFO L158 Benchmark]: Toolchain (without parser) took 1330.49ms. Allocated memory is still 172.0MB. Free memory was 99.9MB in the beginning and 57.4MB in the end (delta: 42.5MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:06,162 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:06,162 INFO L158 Benchmark]: Witness Parser took 1.65ms. Allocated memory is still 172.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:06,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.69ms. Allocated memory is still 172.0MB. Free memory was 99.6MB in the beginning and 142.1MB in the end (delta: -42.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:06,163 INFO L158 Benchmark]: Boogie Preprocessor took 58.34ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:06,164 INFO L158 Benchmark]: RCFGBuilder took 397.70ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 124.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:06,164 INFO L158 Benchmark]: Referee took 491.68ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 57.4MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:06,166 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 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 44 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 44. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 172.0MB. Free memory was 129.9MB in the beginning and 129.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.65ms. Allocated memory is still 172.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.69ms. Allocated memory is still 172.0MB. Free memory was 99.6MB in the beginning and 142.1MB in the end (delta: -42.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.34ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.70ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 124.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 491.68ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 57.4MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:48:06,204 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