./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/hh2012-ex3.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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-lit/hh2012-ex3.i ../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.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-f1d7dc9-m [2024-09-20 13:25:57,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:57,941 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:57,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:57,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:57,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:57,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:57,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:57,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:57,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:57,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:57,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:57,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:57,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:57,984 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:57,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:57,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:57,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:57,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:57,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:57,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:57,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:57,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:57,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:57,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:57,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:57,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:57,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:57,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:57,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:57,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:57,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:57,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:57,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:58,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:58,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:58,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:58,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:58,238 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:58,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-09-20 13:25:59,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:59,697 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:59,698 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-09-20 13:25:59,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6ea61bea9/beb6cedc851a49b683a0dca4d277ff71/FLAG581b9d83d [2024-09-20 13:25:59,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6ea61bea9/beb6cedc851a49b683a0dca4d277ff71 [2024-09-20 13:25:59,724 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:59,725 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:59,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex3.yml/witness-2.1.yml [2024-09-20 13:25:59,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:59,772 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:59,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:59,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:59,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:59,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:59" (1/2) ... [2024-09-20 13:25:59,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c22ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:59, skipping insertion in model container [2024-09-20 13:25:59,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:59" (1/2) ... [2024-09-20 13:25:59,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@472cbdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:59, skipping insertion in model container [2024-09-20 13:25:59,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:59" (2/2) ... [2024-09-20 13:25:59,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c22ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:59, skipping insertion in model container [2024-09-20 13:25:59,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:59" (2/2) ... [2024-09-20 13:25:59,791 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:59,792 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((i <= 4) && (0 <= i)) [2024-09-20 13:25:59,792 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((j == 0) && (0 <= i)) && (i <= 3)) || ((((i <= ((long long) j + 3)) && (1 <= j)) && (j <= i)) && (j <= 4))) [2024-09-20 13:25:59,792 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 13:25:59,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:59,945 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/loop-lit/hh2012-ex3.i[799,812] [2024-09-20 13:25:59,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:59,968 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:25:59,999 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/loop-lit/hh2012-ex3.i[799,812] Start Parsing Local Start Parsing Local [2024-09-20 13:26:00,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:26:00,026 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:26:00,027 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:26:00 WrapperNode [2024-09-20 13:26:00,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:26:00,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:26:00,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:26:00,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:26:00,042 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,042 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,048 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,058 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 [2024-09-20 13:26:00,062 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,062 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,066 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,069 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,070 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,074 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:26:00,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:26:00,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:26:00,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:26:00,079 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 20.09 01:26:00" (1/1) ... [2024-09-20 13:26:00,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:26:00,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:26:00,106 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) [2024-09-20 13:26:00,110 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 [2024-09-20 13:26:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:26:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:26:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:26:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:26:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:26:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:26:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:26:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:26:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:26:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:26:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:26:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:26:00,214 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:26:00,216 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:26:00,326 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:26:00,341 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:26:00,362 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:26:00,363 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:26:00,363 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:00 BoogieIcfgContainer [2024-09-20 13:26:00,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:26:00,364 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:26:00,364 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:26:00,365 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:26:00,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:59" (1/4) ... [2024-09-20 13:26:00,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6df2f8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:26:00, skipping insertion in model container [2024-09-20 13:26:00,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:59" (2/4) ... [2024-09-20 13:26:00,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6df2f8d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:00, skipping insertion in model container [2024-09-20 13:26:00,366 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 20.09 01:26:00" (3/4) ... [2024-09-20 13:26:00,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6df2f8d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:26:00, skipping insertion in model container [2024-09-20 13:26:00,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:00" (4/4) ... [2024-09-20 13:26:00,367 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex3.i [2024-09-20 13:26:00,370 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:26:00,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:26:00,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:26:00,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:00,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:26:00,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:26:00,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:26:00,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:26:00,373 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:26:00,373 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:26:00,418 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-20 13:26:00,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,434 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:26:00,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,475 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:00,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,484 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:00,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,484 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,489 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,503 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:26:00,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,512 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-20 13:26:00,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,522 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,534 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:26:00,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,548 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:26:00,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,549 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,549 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,553 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:26:00,560 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:00,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,566 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:00,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,570 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:26:00,580 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:26:00,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,591 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:26:00,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,592 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,598 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,605 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:26:00,605 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,614 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-20 13:26:00,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,620 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,629 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-20 13:26:00,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,645 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-20 13:26:00,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,653 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:26:00,658 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:26:00,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,659 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:26:00,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,664 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:26:00,671 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:26:00,671 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,671 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,672 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,677 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:26:00,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,681 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,690 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:26:00,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,714 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:26:00,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,716 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,724 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,741 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:26:00,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,745 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:26:00,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,746 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,746 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,747 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:26:00,753 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:26:00,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,757 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:26:00,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,760 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:26:00,766 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:26:00,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:26:00,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:26:00,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:26:00,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:26:00,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,772 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:26:00,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:26:00,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:26:00,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:26:00,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:26:00,773 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:26:00,777 INFO L520 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:26:00,781 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:26:00,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6df2f8d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:26:00, skipping insertion in model container [2024-09-20 13:26:00,782 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:26:00,784 INFO L158 Benchmark]: Toolchain (without parser) took 1011.06ms. Allocated memory was 176.2MB in the beginning and 264.2MB in the end (delta: 88.1MB). Free memory was 119.8MB in the beginning and 227.9MB in the end (delta: -108.1MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2024-09-20 13:26:00,784 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 176.2MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:00,784 INFO L158 Benchmark]: Witness Parser took 0.55ms. Allocated memory is still 176.2MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:26:00,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.87ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 106.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:26:00,785 INFO L158 Benchmark]: Boogie Preprocessor took 47.65ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:26:00,785 INFO L158 Benchmark]: RCFGBuilder took 286.79ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:26:00,786 INFO L158 Benchmark]: Referee took 418.46ms. Allocated memory was 176.2MB in the beginning and 264.2MB in the end (delta: 88.1MB). Free memory was 91.1MB in the beginning and 227.9MB in the end (delta: -136.8MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-09-20 13:26:00,792 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 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 176.2MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.55ms. Allocated memory is still 176.2MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.87ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 106.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.65ms. Allocated memory is still 176.2MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.79ms. Allocated memory is still 176.2MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 418.46ms. Allocated memory was 176.2MB in the beginning and 264.2MB in the end (delta: 88.1MB). Free memory was 91.1MB in the beginning and 227.9MB in the end (delta: -136.8MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:26:00,816 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